Bibliography

Thanks to all of those cited here for their work in capturing Maryland and regional natural history information. Special thanks to Nancy Magnusson and Zoë Adams for diligence in ensuring high quality and consistency in our MBP bibliography.

On this page

Algae
  • Biechele, Lance. 2011. Freshwater Algae of the Lower Eastern Shore. Except for the Charophycaea, which were verified by Russell L. Chapman (Louisiana State University), the algae (prior to 2010) were determined by David B. Czarnecki (Loras College, Iowa) and voucher specimens are maintained on cards or microscope slides at the Charles O. Wingo, Jr. Herbarium, Salisbury University (SUHC). Unpublished list of verified data.
  • Brook, A. J., and D. B. Williamson. 2010. A Monograph on Some British Desmids. The Ray Society, The Natural History Museum, London. 364 pp.
  • Coesel, Peter F. M., and Koos J. Meesters. 2007. Desmids of the Lowlands: Mesotaeniaceae and Desmidiaceae of the European Lowlands. KNNV Uitgeverij, Amsterdam. 351 pp.
  • Guiry, M.D., and G.M. Guiry. 2012. AlgaeBase. National University of Ireland, Galway, Ireland. Available at: http://www.algaebase.org. Accessed 3 March 2021.
  • John, David M., and David B. Williamson. 2009. A Practical Guide to the Desmids of the West of Ireland. Martin Ryan Institute, National University of Ireland, Galway, Ireland. 204 pp.
  • Patterson, David J. 2003. Free-Living Freshwater Protozoa: A Colour Guide. ASM Press, Washington, DC. 223 pp.
  • Ralfs, John. 1962. The British Desmidieae. Reprint. J. Cramer, Weinheim, Germany. 226 pp. Available at: http://www.biodiversitylibrary.org/bibliography/14791.
  • Van Geest, Alfred. Digital Image Collection of Desmids. Available at: http://www.digicodes.info/. Accessed 13 March 2021.
  • Wolle, Francis. 1892. Desmids of the United States and List of American Pediastrums. Moravian Publication Office, Bethlehem, PA. 320 pp. Available at: http://www.biodiversitylibrary.org/bibliography/26018.

Amphipods - Freshwater
  • Holsinger, John R. 1976. The freshwater amphipod crustaceans (Gammaridae) of North America. Water Pollution Control Research Series. U.S. Environmental Protection Agency. U.S. Government Printing Office, Washington, DC. 96 pp. Available at: https://nepis.epa.gov/Exe/ZyPDF.cgi/9100HCDU.PDF?Dockey=9100HCDU.PDF.
  • Holsinger, John R. 1978. Systematics of the subterranean amphipod genus Stygobromus (Crangonyctidae), Part II: Species of the eastern United States. Smithsonian Contributions to Zoology 2(266):152 pp. Available at: https://repository.si.edu/handle/10088/5265.
  • Holsinger, John R., and Lynnette Ansell. 2014. A new species of the subterranean amphipod genus Stygobromus (Amphipoda: Crangonyctidae) from two caves and a spring in western Maryland, USA, with additional records of undescribed species from groundwater habitats in central Maryland. Zootaxa 3768(3):386–394.
  • Morales-Núñez, Andrés G., and Paulinus Chigbu. 2016. A new species of Apolochus (Crustacea, Amphipoda, Gammaridea, Amphilochidae) in Maryland coastal bays, USA with notes on its abundance and distribution. ZooKeys 571:81-104. Available at: https://doi.org/10.3897/zookeys.571.7440.

Animals (General)

Ants
  • AntWeb. California Academy of Sciences. Available at: http://www.antweb.org. Accessed 3 March 2021.
  • Foard, Timothy. 2008. The ants (Hymenoptera: Formicidae) of Hart-Miller Island, Baltimore County, Maryland. The Maryland Entomologist 4(4):44-51. Available at: https://www.mdentsoc.org/wp-content/uploads/2016/02/v4n4.pdf.
  • Foard, Timothy (Compiler). Checklist of Maryland species. Unpublished list of verified data.
  • Frye, Jennifer A., Christopher T. Frye, and Theodore W. Suman. 2014. The ant fauna of inland sand dune communities in Worcester County, Maryland. Northeastern Naturalist 21(3):446-471.
  • Mann, Hunter R., Emily Rowe, Jennifer Selfridge, and Dana L. Price. 2017. Leaf Litter and Arboreal Ants (Hymenoptera: Formicidae) in a Mid-Atlantic Forest. Maryland Department of Natural Resources, Salisbury University.
  • Schlick-Steiner, Birgit C., Florian M. Steiner, Karl Moder, Bernhard Seifert, Matthias Sanetra, Eric Dyreson, Christian Stauffer, and Erhard Christian. 2006. A multidisciplinary approach reveals cryptic diversity in Western Palearctic Tetramorium ants (Hymenoptera: Formicidae). Molecular Phylogenetics and Evolution 40:259-273.

Bees
  • Droege, Samuel W. Checklist and Record Compilation. Unpublished list of verified data.
  • North American Native Bee Collaborative. 2017. Bees of Maryland: A Field Guide. 112 pp. Available at: http://bio2.elmira.edu/fieldbio/beesofmarylandbookversion1.pdf.
  • Orr, Richard. Bees of Mt. Pleasant 2008-2009. Unpublished list verified by Sam Droege. Provided 7 August 2017.
  • Scarpulla, Eugene J. 2013. A yearlong survey of the bees (Hymenoptera: Apoidea) of a human-made habitat created from dredged material: Hart-Miller Island, Chesapeake Bay, Baltimore County, Maryland. The Maryland Entomologist 6(1):56–84. Available at: https://www.mdentsoc.org/wp-content/uploads/2016/03/MD-Entomologist-book-2013-proof.pdf.
  • Scarpulla, Eugene J. 2022. Lasioglossum (Dialictus) semicaeruleum (Cockerell, 1895) (Hymenoptera: Halictidae) in Maryland: A disjunct population in eastern North America? Insecta Mundi: 1–7. Available at: https://centerforsystematicentomology.org/insectamundi/0958_Scarpulla_2022.pdf.
  • Scarpulla, Eugene J., Peter C. McGowan, and Carl R. Callahan. 2022. A Yearlong Survey of the Bees (Hymenoptera: Apoidea) at a Large-scale Island Restoration Project Created from Dredged Material: Poplar Island, Chesapeake Bay, Maryland, USA. The Maryland Entomologist 8(2):28–57.
  • Selfridge, Jennifer A., Christopher T. Frye, Jason Gibbs, and Robert P. Jean. 2017. The bee fauna of inland sand dune and ridge woodland communities in Worcester County, Maryland. Northeastern Naturalist 24(4):421-445.

Beetles
  • Al Dhafer, Hathal M. 2009. Revision of the North American species of Limonius (Coleoptera: Elateridae). Transactions of the American Entomological Society 135(3):209-352. Available at: https://www.jstor.org/stable/40587743.
  • Anderson, Robert. 2017. Co-Extinction and the Case of American Chestnut and the Greater Chestnut Weevil (Curculio caryatrypes). Canadian Museum of Nature Blog. Available at: https://canadianmuseumofnature.wordpress.com/2017/02/02/co-extinction-and-the-case-of-american-chestnut-and-the-greater-chestnut-weevil-curculio-caryatrypes/.
  • Anichtchenko, Alexandre V., Jong-Bong Choi, Sergio Facchini, Kirill Makarov, Jose Marrero, Ruslan Panin, Denis Potanin, Dominique Roguet, Igor Solodovnikov, and Kipling W. Will (Editors). Carabidae of the World. Available at: http://www.carabidae.org. Accessed 4 March 2021.
  • Becker, Edward C. 1956. Revision of the nearctic species of Agriotes (Coleoptera: Elateridae). Systematic Entomology Unit 88(1):1-101.
  • Bousquet, Yves. 2012. Catalogue of Geadephaga (Coleoptera, Adephaga) of America, north of Mexico. ZooKeys 245:1-1722. Available at: https://doi.org/10.3897/zookeys.245.3416.
  • Brattain, Michael R., Brent W. Steury, Alfred F. Newton, Margaret K. Thayer, and Jeffrey D. Holland. 2019. The rove beetles (Coleoptera: Staphylinidae) of the George Washington Memorial Parkway, with a checklist of regional species. Banisteria (53):27-71. Available at: https://virginianaturalhistorysociety.com/banisteria/pdf-files/ban53/Banisteria53_Brattain_etal_Digitizing.pdf.
  • Brigham, Warren U. Key to adult Peltodytes of the U.S. and Canada (Coleopter: Haliplidae). Illinois Natural History Survey. Available at: http://www.matthewpintar.net/uploads/2/9/8/5/29857083/peltodytes_key.pdf.
  • Brown, Christopher G. 2009. Behavioral Ecology of Neochlamisus Leaf Beetles: The Role of Fecal Cases and Associated Traits. Vanderbilt University, Nashville, TN. 302 pp. Available at: https://ir.vanderbilt.edu/bitstream/handle/1803/11835/CGBrownDissertation.pdf?sequence=1.
  • Case, Ashley E., Albert E. Mayfield, III, Stacy L. Clark, Scott E. Schlarbaum, and Barbara C. Reynolds. 2016. Abundance and frequency of the Asiatic Oak Weevil (Coleoptera: Curculionidae) and Defoliation on American, Chinese, and Hybrid Chestnut (Castanea). Journal of Insect Science 16(1):29 pp. Available at: https://doi.org/10.1093/jisesa/iew012.
  • Chandler, Donald S. 1997. Revision of the genus Malporus Casey (Coleoptera: Anthicidae: Anthicinae). Department of Zoology, University of New Hampshire, Durham, NH. The Coleopterists Bulletin 51(3):265-275.
  • Clark, Shawn M., Andrea Rattu, and Davide Cillo. 2014. Monoxia obesula Blake, 1939, a species native to the U.S.A. and adventive to Sardinia, Italy (Coleoptera: Chrysomelidae: Galerucinae: Galerucini). Zootaxa 3774(1):83–89. Available at: http://www.mapress.com/zootaxa/2014/f/z03774p089f.pdf.
  • Cunningham, Stephen Bly. 1988. Damage to Violin Bow Hair by Dermestid Beetle larvae. Maryland Naturalist 32(3-4).
  • Dunford, James C., Michael C. Thomas, and Paul M. Choate, Jr. 2005. The Darkling Beetles of Florida and Eastern United States (Coleoptera: Tenebrionidae). University of Florida Entomology and Nematology Department. Available at: http://entnemdept.ufl.edu/teneb/index.htm. Accessed 4 March 2021.
  • Erwin, Terry L. 1981. Natural history of Plummers Island, Maryland, XXVI. The ground beetles of a temperate forest site (Coleoptera: Carabidae): An analysis of fauna in relation to size, habitat selection, vagility, seasonality, and extinction. Bulletin of the Biological Society of Washington 5:104-224.
  • Evans, Arthur V. 2014. Beetles of Eastern North America. Princeton University Press, Princeton, NJ. 560 pp.
  • Glaser, John D. 1987. Addenda to the checklist of Maryland Scarabaeoidea. Maryland Entomologist 3(1):23-24.
  • Gómez-Zurita, Jesús. 2005. New distribution records and biogeography of Calligrapha species (Leaf Beetles), in North America (Coleoptera: Chrysomelidae, Chrysomelinae). Canadian Field-Naturalist 119(1):88-100. Available at: https://www.canadianfieldnaturalist.ca/index.php/cfn/article/view/85.
  • Green, John Wagener. 1956. Revision of the nearctic species of Photinus (Lampyridae: Coleoptera). Proceedings of the California Academy of Sciences 28(15):561-613. Available at: https://biostor.org/reference/3145.
  • Gustafson, Grey T., and Kelly B. Miller. 2015. The New World whirligig beetles of the genus Dineutus Macleay, 1825 (Coleoptera, Gyrinidae, Gyrininae, Dineutini). ZooKeys 476:1–135. Available at: http://doi.org/10.3897/zookeys.476.8630.
  • Hagadorn, Mallory A., and Dana L. Price. 2012. Quick Guide for the Identification of Maryland Scarabaeoidea. Salisbury University, Salisbury, MD. 54 pp. Available at: http://faculty.salisbury.edu/~dlprice/SU%20Lab%20Page/About%20Scarabs/Quick%20Guide%20to%20the%20Identification%20of%20Maryland%20Scarabaeoidea.pdf.
  • Harden, Curt W. 2018. Eight Ground Beetles (Coleoptera: Carabidae) new to Virginia, with additional records for West Virginia and Maryland. Banisteria (50):15-20. Available at: https://www.researchgate.net/publication/348018511_Eight_Ground_Beetles_Coleoptera_Carabidae_New_to_Virginia_with_Additional_Records_for_West_Virginia_and_Maryland.
  • Hardy, Alan R. 1977. A revision of the Hoplia of the nearctic realm (Coleoptera: Scarabaeidae). California Department of Food and Agriculture. Occasional Papers in Entomology (23).
  • Illinois College of Agricultural, Consumer and Environmental Sciences (ACES), Crop Science Extension and Outreach. Alfalfa Weevil. Available at: http://extension.cropsciences.illinois.edu/fieldcrops/insects/alfalfa_weevil/. Accessed 4 March 2021.
  • Johnson, Paul J. 2015. A new species of Drapetes Megerle (Coleoptera: Elateridae), with taxonomic summaries and a key to the species of northern North America. Insecta Mundi 0445:1-13. Available at: https://digitalcommons.unl.edu/insectamundi/950/.
  • Kingsolver, John M. 2004. Handbook of the Bruchidae of the United States and Canada (Insecta, Coleoptera). U. S. Department of Agriculture, Technical Bulletin Number 1912. 2 vols. 340 pp. Available at: https://www.ars.usda.gov/is/np/Bruchidae/BruchidaeVol1.pdf.
  • Knull, Josef N. 1959. Two new species of Ctenicera (Coleoptera: Elateridae). The Ohio Journal of Science 59(2):87-89.
  • Lloyd, James E. 1969. Flashes, behavior and additional species of nearctic Photinus fireflies (Coleoptera: Lampyridae). The Coleopterists’ Bulletin 23(2):29-40. Available at: https://www.jstor.org/stable/3999611.
  • Mathieu, Jean M. 1961. Revision of the genus Melanactes, with a proposed new genus (Coleoptera, Elateridae). The American Midland Naturalist 65(2):459-480.
  • Messer, Peter (Compiler). 2017. Carabidae Species in Maryland from Bousquet Catalog (2012) and Updates. Unpublished list of verified data. Updates posted here: http://bugguide.net/node/view/744417.
  • Miller, Kelly B., G. William Wolfe, and Olof Biström. 2006. The phylogeny of the Hydroporinae and classification of the genus Peschetius Guignot, 1942 (Coleoptera: Dytiscidae). Insect Systematics and Evolution 37(3):257-279.
  • Miller, Kelly B., Johannes Bergsten, and Michael F. Whiting. 2009. Phylogeny and classification of the tribe Hydaticini (Coleoptera: Dytiscidae): partition choice for Bayesian analysis with multiple nuclear and mitochondrial protein‐coding genes. Zoologica Scripta 38(6):591-615.
  • NC State Extension. 2019. Asiatic Oak Weevil. PDIC Fact Sheet. Available at: https://content.ces.ncsu.edu/asiatic-oak-weevil.
  • Onuferko, Thomas M. 2018. A revision of the cleptoparasitic bee genus Epeolus Latreille for nearctic species, north of Mexico (Hymenoptera, Apidae). ZooKeys 755:1-185.
  • Oygur, Sule, and G. William Wolfe. 1991. Classification, distribution, and phylogeny of North American (north of Mexico) species of Gyrinus Müller (Coleoptera: Gyrinidae). Bulletin of the American Museum of Natural History 207:104 pp. Available at: http://digitallibrary.amnh.org/handle/2246/901?show=full.
  • Pagac, Benedict, Katrina L. Ranum, C. Barry Knisley, James M. McCann, George A. Moser, and Peter C. McGowan. 2017. Discovery of the Puritan Tiger Beetle, Ellipsoptera puritana (G. Horn) (Coleoptera: Carabidae), along the Severn River, Maryland. The Coleopterists Bulletin 71(2):357-360.
  • Paiero, Steven M., Morgan D. Jackson, Adam Jewiss-Gaines, Troy Kimoto, Bruce D. Gill, Stephen A. Marshall. 2012. Field Guide to the Jewel Beetles (Coleoptera: Bupestridae) of Northeastern North America. Canadian Food Inspection Agency, Ontario, Canada. 411 pp. Available at: http://www.biodiversityinfocus.com/pdfs/Jewel_Beetle_Field_Guide_English.pdf.
  • Paulsen, Matthew J. 2010. Stag beetles of the genus Dorcus MacLeay in North America (Coleoptera, Lucanidae). ZooKeys 34:199-207.
  • Pelletier, Georges, and Christian Hébert. 2014. The Cantharidae of Eastern Canada and Northeastern United States. Canadian Journal of Arthropod Identification 25:246 pp.
  • Quate, Lawrence W., and Sarah E. Thompson. 1967. Revision of click beetles of genus Melanotus in America North of Mexico (Coleoptera: Elateridae). Proceedings of the United States National Museum 121(3568):1-85.
  • Rabaglia, Robert J. 2003. Annotated list of the bark and ambrosia beetles (Coleoptera: Scolytidae) of Maryland, with new distributional records. Proceedings of the Entomological Society of Washington 105:373-379.
  • Slifer, Eleanor H., Thomas F.J. Gruenwald, and Sant S. Sekhon. 1975. The maxillary palp organs of a wood-boring beetle Melittomma sericeum (Coleoptera, Lymexylonidae). Journal of Morphology 147(2):123-135.
  • Spangler, Paul J., Charles L. Staines, P.M. Spangler, and S.L. Staines. 2001. A checklist of the Limnichidae and the Lutrochidae (Coleoptera) of the world. Insecta Mundi 15(3):151-165.
  • Staines, Charles L., Jr. 1982. The Cupedidae of Maryland (Coleoptera). Maryland Entomologist 2(2):31-32.
  • Staines, Charles L., Jr. 1982. Distributional records of Platypodidae (Coleoptera) in Maryland. Proceedings of the Entomological Society of Washington 84(4):858-859.
  • Staines, Charles L., Jr. 1982. Notes on little known Maryland beetles: I. Nosodendron unicolor. Maryland Entomologist 2(2):36-37.
  • Staines, Charles L., Jr. 1982. The Rhipiceridae of Maryland (Coleoptera). Maryland Entomologist 2(2):38-40.
  • Staines, Charles L., Jr. 1983. The Meloidae (Coleroptera) of Maryland. Maryland Entomologist 2(3):41-52.
  • Staines, Charles L., Jr. 1983. Range extension in Lytta (Coleoptera: Meloidae). Proceedings of the Entomological Society of Washington 84(4):733.
  • Staines, Charles L., Jr. 1983. The Rhipiphoridae (Coleoptera) of Maryland. Maryland Entomologist 2(3):53-57.
  • Staines, Charles L., Jr. 1983. The Belostomatidae (Hemiptera) of Maryland. Maryland Entomologist 2(3):58-61.
  • Staines, Charles L., Jr. 1983. A checklist of the Heteroceridae (Coleoptera) of Maryland. Maryland Entomologist 2(3):61.
  • Staines, Charles L., Jr. 1983. The semiaquatic beetles of Maryland: I. The genus Omophron (Coleoptera: Carabidae). Maryland Entomologist 2(3):63-64.
  • Staines, Charles L., Jr. 1984. An annotated checklist of the Scarabaeoidea (Coleoptera) of Maryland. Maryland Entomologist 2(4):79-89.
  • Staines, Charles L., Jr. 1984. Peltodytes edentulous (LeConte) from Maryland (Coleoptera: Haliplidae). The Coleopterists Bulletin 38(4):383.
  • Staines, Charles L., Jr. 1984. Distribution of Xylosandrus germanus (Blandford) (Coleoptera: Scolytidae) in Maryland. Proceedings of the Entomological Society of Washington 86(3):702.
  • Staines, Charles L., Jr. 1986. First record in Maryland of Anomala orientalis (Waterhouse) (Coleoptera: Scarabaeidae). Proceedings of the Entomological Society of Washington 88(2):390.
  • Staines, Charles L., Jr. 1986. A preliminary checklist of the Hydradephaga (Coleoptera) of Maryland. Insecta Mundi 1(3):118, 155.
  • Staines, Charles L., Jr. 1986. A preliminary checklist of the Hydrophiloidea (Coleoptera) of Maryland. Insecta Mundi 1(4):259-260.
  • Staines, Charles L., Jr. 1987. The Silphidae (Coleoptera) of Maryland. Maryland Entomologist 3(1):13-18.
  • Staines, Charles L., Jr. 1988. The Dryopidae (Coleoptera) of Maryland. Maryland Entomologist 3(2):30-32.
  • Staines, Charles L., Jr. 1988. The Noteridae (Coleoptera) of Maryland. Maryland Entomologist 3(2):42-45.
  • Staines, Charles L., Jr., and S. L. Staines. 1988. Observations on, and new adult host plants for, Callirhopalus (Pseudocneorhinus) bifasciatus (Roelofs) (Coleoptera: Curculionidae), with a review of host plants. Maryland Entomologist 3(2):33-39.
  • Staines, Charles L., Jr. 1989. Observations on Gnorimella maculosa (Coleoptera: Scarabaedae: Cetoniidae). Maryland Entomologist 3(3):67-68.
  • Staines, Charles L., Jr. 1989. Additional records on Maryland Silphidae (Coleoptera). Maryland Entomologist 3(3):69-70.
  • Staines, Charles L., and S.L. Staines. 1989. Observations on two beetles (Coleoptera) feeding on Rumex (Polygonaceae) in Maryland with a review of the literature. Maryland Entomologist 3(3):78-79.
  • Staines, Charles L., Jr. 1990. Scientific Note: Dyscinetus morator (Coleoptera: Scarabaeidae) feeding on roots of azaleas (Rhododendron spp.). Entomological News 101(2):98.
  • Staines, Charles L., Jr., Mark J. Rothschild, R.B. Trumbule. 1990. A Survey of the Coccinellidae (Coleoptera) associated with nursery stock in Maryland. Proceedings of the Entomological Society of Washington 92(2):310-313.
  • Staines, Charles L., Jr. 1991. A host Plant for adult Spintherophyta globosa (Olivier) (Coleoptera: Chrysomelidae). The Coleopterists Bulletin 45(2):200.
  • Staines, Charles L. 1994. Survey for Calosoma caterpillar hunters (Coleoptera: Carabidae) in Maryland 1992-1993. Maryland Naturalist 38(1-2):31-36.
  • Staines, Charles L. 1994. A "monstrous" Lucanus elaphus (Coleoptera: Lucanidae) from Maryland. Maryland Naturalist 38(3-4):17-18.
  • Staines, Charles L. 1996. Carpophilus melanopterus Erichson (Coleoptera: Nitidulidae) a Yucca specialist. Maryland Naturalist 40(1-4):54-55.
  • Staines, Charles L. 1997. Cereal Leaf Beetle (Coleoptera: Chrysomelidae) as a pest of ornamental grasses. Proceedings of the Entomological Society of Washington 99(2):376.
  • Staines, Charles L. 1999. A survey for Lucanus elaphus (Fabricius) (Coleoptera: Lucanidae) in southern Maryland. Maryland Naturalist 43(3-4):26-30.
  • Staines, Charles L., and S. L. Staines. 1999. Observations on Euphoria inda (L.) (Insecta: Coleoptera: Scarabaeidae). The Maryland Naturalist 43(3-4):31-33.
  • Staines, Charles L. 2005. Cicindela hirticollis hirticollis Say (Coleoptera: Cicindelidae) naturally colonizing a restored beach in the Chesapeake Bay, Maryland. Cicindela 37(3-4):79-80.
  • Staines, Charles L. 2008. Dytiscidae or predaceous diving beetles (Insecta: Coleoptera) of Plummers Island, Maryland. Bulletin of the Biological Society of Washington 15(1):153-155.
  • Steiner, Warren E., Jr. 2008. A checklist of the darkling beetles (Insecta: Coleoptera: Tenebrionidae) of Maryland with notes on the species recorded from Plummers Island through the 20th century. Bulletin of the Biological Society of Washington 15(1):133-140.
  • Steiner, Warren E., Jr. 2013. Records of Prateus fusculus LeConte (Coleoptera: Tenebrionidae) in Maryland and West Virginia, with observations on habitats and known distribution. The Maryland Entomologist 6(1):30-36.
  • Steiner, Warren E., Jr. 2019. Descriptions of the larva, pupa and life history of the North American darkling beetle Idiobates castaneus (Knoch) (Coleoptera: Tenebrionidae). Annales Zoologici (Warszawa) 69(1):137-148.
  • Steiner, Warren E., Charles L. Staines, James M. McCann, and John L. Hellman. 2003. The Seth Forest Water Scavenger Beetle, a new species of Hydrochus (Coleoptera: Hydrophiloidea: Hydrochidae) from the Chesapeake-Delmarva region. The Coleopterists Bulletin 57(4):433–443.
  • Steury, Brent W. 2019. Beetles (Coleoptera) associated with flowers of Lizard's Tail, Saururus cernuus L. (Saururaceae), in Calvert County, Maryland. The Maryland Entomologist 7(3):9–14.
  • Steury, Brent W., Peter W. Messer, and Joseph F. Cavey. 2014. Noteworthy beetle records from Virginia, Maryland, and the District of Columbia (Coleoptera: Carabidae and Chrysomelidae). Banisteria 44:23-25.
  • Steury, Brent W., and Peter W. Messer. 2015. Noteworthy beetle records from Virginia and Maryland (Coleoptera: Anthicidae, Buprestidae, Carabidae). Banisteria 45:61-62.
  • Steury, Brent W., and Peter W. Messer. 2017. Three Carabid Beetles (Coleoptera: Carabidae) new to Maryland and a preliminary annotated checklist for Cove Point, Calvert County, Maryland. The Maryland Entomologist 7(1):35-47.
  • Stibnick, Jeffrey N.L. 1990. North American Negastriinae (Coleoptera, Elateridae): The Negastriinae of the Eastern United States and adjacent Canada. Insecta Mundi 4(1-4):99-131.
  • Stork, Nigel E. 1984. Additions to the list of Carabidae (Coleoptera) in the fauna of Plummers Island, Maryland. The Coleopterists Bulletin 38(2):137-141.
  • U.S. Customs and Border Protection. 2015. Baltimore CBP Intercepts First in Nation Destructive Beet Flea Beetle in Shipment of Italian Ceramic Tiles. Available at: https://www.cbp.gov/newsroom/local-media-release/baltimore-cbp-intercepts-first-nation-destructive-beet-flea-beetle.
  • Vorst, Oscar. 2012. A new invasive Ptinella Motschulsky from Europe and North America (Coleoptera: Ptiliidae). Zootaxa 3270:63-66. Available at: http://www.mapress.com/zootaxa/2012/f/zt03270p066.pdf.
  • Yensen, Eric. 1975. A revision of the North American species of Trixagus kugelann (Coleoptera: Throscidae). Transactions of the American Entomology Society 101(1):125-166.

Biodiversity
  • Environmental Law Institute (ELI). 2001. Status of the States: Innovative State Strategies for Biodiversity Conservation. A Report on the First State Biodiversity Symposium, January 17-18, 2001. ELI, Washington, DC. 61 pp. Available at: https://www.eli.org/sites/default/files/eli-pubs/d11.03.pdf.
  • Jenkins, Clinton N. Biodiversity Mapping. Instituto de Pesquisas Ecológicas (IPÊ). Available at: http://biodiversitymapping.org. Accessed 8 March 2021.
  • Lippson, Alice Jane, and Robert L. Lippson. 2006. Life in the Chesapeake Bay. 3rd edition. The Johns Hopkins University Press, Baltimore, MD. 324 pp.
  • McAtee, W. L. 1918. A Sketch of the Natural History of the District of Columbia Together with an Indexed Edition of the U.S. Geological Survey’s 1917 Map of Washington and Vicinity. Press of H. L. & J. B. McQueen, Inc., Washington, DC. 119 pp. Available at: https://www.biodiversitylibrary.org/item/122663#page/3/mode/1up.
  • North Carolina Biodiversity Project (NCBP). Available at: http://nc-biodiversity.com/. Accessed 8 March 2021.
  • Quinn, Mike. 2011. Texas Biodiversity. Available at: http://texasento.net/biod.htm. Accessed 8 March 2021.
  • Reaka-Kudla, Marjorie L., Don E. Wilson, Edward O. Wilson (Editors). 1997. Biodiversity II: understanding and protecting our biological resources. Joseph Henry Press, Washington, DC. 551 pp.
  • Schindel, David E., Scott E. Miller, Michael G. Trizna, Eileen Graham, and Adele E. Crane. 2016. The Global Registry of Biodiversity Repositories: A Call for Community Curation. Biodiversity Data Journal 4:e10293. Available at: https://doi.org/10.3897/BDJ.4.e10293.
  • Wilson, Edward O. (Editor), and Frances M. Peter (Associate Editor). 1988. Proceedings of the National Forum on BioDiversity, 21-24 September 1986. National Academy Press, Washington, DC. Biodiversity. 521 pp.
  • Wilson, Edward O. 1986. National Telecoference on BioDiversity. The National Academies, Washington, DC. Available at: https://vimeo.com/27542629.

Bird Counts

Birds
  • Ellison, Walter G. (Editor). 2010. 2nd Atlas of the Breeding Birds of Maryland and the District of Columbia. The Johns Hopkins University Press, Baltimore, MD. 494 pp.
  • Harrison, Hal H. 1975. A Field Guide to the Birds' Nests in the United States East of the Mississippi River. Peterson Field Guide Series. Houghton Mifflin Company, Boston and New York. 257 pp.
  • Iliff, Marshall J., Robert F. Ringler, and James L. Stasz. 1996. Field List of the Birds of Maryland. 3rd edition. Maryland Avifauna No. 2. Maryland Ornithological Society, Baltimore, MD. 53 pp. Available at: https://www.biodiversitylibrary.org/item/208788#page/3/mode/1up.
  • Kaufman, Kenn. 2001. Lives of North American Birds. Houghton Mifflin Harcourt, New York, NY. 675 pp.
  • Kleyheeg, Erik, Jelle Treep, Monique de Jeger, Bart A. Nolet, and Merel B. Soons. 2017. Seed dispersal distributions resulting from landscape-dependent daily movement behaviour of a key vector species, Anas platyrhynchos. Journal of Ecology 105(5):1279-1289. Available at: https://besjournals.onlinelibrary.wiley.com/doi/full/10.1111/1365-2745.12738#.
  • Maryland/District of Columbia Records Committee (MD/DCRC). Updated regularly. Official List of the Birds of Maryland from 1804 as of [latest update]. Maryland Ornithological Society. Available at: http://www.mdbirds.org/mddcrc/pdf/mdlist.pdf.
  • Robbins, Chandler S., Deanna K. Dawson, and Barbara A. Dowell. 1989. Habitat area requirements of breeding forest birds of the middle Atlantic states. Wildlife Monographs 103:3-34.
  • Robbins, Chandler S. (Senior Editor), Eirik A.T. Blom (Project Coordinator). 1996. Atlas of the Breeding Birds of Maryland and the District of Columbia. University of Pittsburgh Press, Pittsburgh, PA. 479 pp.
  • Sibley, David A. 2000. National Audubon Society The Sibley Guide to Birds. Alfred A. Knopf, New York, NY. 544 pp.
  • Solem, Joanne, and Robert Solem (Compilers). 2013. Howard County Bird Club Bird Site Records.
  • Stewart, Robert E., and Chandler S. Robbins. 1958. Birds of Maryland and the District of Columbia. U.S. Department of the Interior, Fish and Wildlife Service. North American Fauna 62:401 pp. Available at: http://dx.doi.org/10.3996/nafa.62.0001.
  • Terres, John K. 1980. The Audubon Society Encyclopedia of North American Birds. Alfred A. Knopf, Inc., New York, NY. 1109 pp.
  • United States Geological Survey (USGS). 2013. Eskimo Curlew: A Vanishing Species? The Eskimo Curlew's Year Introduction to Oceanic Migration. Accessed: 14 April 2013. Link no longer exists.
  • USGS Patuxent Wildlife Research Center. 2014. North American Breeding Bird Atlas (BBA) Explorer. Available at: http://www.pwrc.usgs.gov/bba. Accessed 8 March 2021.
  • Iliff, Marshall, Matt Hafner, Bob Ringler, and many others. Unpublished data.
  • Wilds, Claudia, and David Czaplak. 1994. Yellow-legged gulls (Larus cachinnans) in North America. Wilson Bulletin 106(2):344-356.

Branchiopods

Bryophytes (Mosses, Hornworts, Liverworts)
  • Biechele, Lance T. 2014. Riccia sorocarpa Bisch. A new liverwort record from Maryland. Journal of the Torrey Botanical Society 141(3):273-274.
  • Darigo, Carl. 2009. A county checklist of the mosses of Maryland. Evansia 26(4):193-218.
  • McAvoy, William A., Wesley M. Knapp, and Lance T. Biechele. 2011. An annotated checklist of the liverworts and hornworts of the Delmarva Peninsula. The Journal of the Torrey Botanical Society 138(2):239-251.
  • Scarpulla, Eugene J. 1988. Unusual abundance of the aquatic liverwort Ricciocarpus natans (L.) Corda at Prettyboy Reservoir, Baltimore County, Maryland. Maryland Naturalist 32(3-4).
  • Uebel, Edward (Compiler and Editor). 2000. Maryland Bryophytes Collected by Elmer G. Worthley. Maryland Native Plant Society, Inc., Silver Spring, MD. 101 pp. Available at: https://mdflora.org/Resources/Publications/ForSale/Bryophytes2000.pdf.

Bryozoans
  • Fofonoff, Paul W., Gregory M. Ruiz, Brian Steves, and James T. Carlton. 2003. California Non-native Estuarine and Marine Organisms (Cal-NEMO) System. Available at: http://invasions.si.edu/nemesis/. Accessed 13 March 2021.

Butterflies

Centipedes
  • Bonato, Lucio, Amazonas Chagas, Jr., Gregory D. Edgecombe, John G.E. Lewis, Alessandro Minelli, Luis A. Pereira, Roland M. Shelley, Pavel Stoev, Marzio Zapparoli. 2016. ChiloBase 2.0: A World Catalogue of Centipedes (Chilopoda). Available at: http://chilobase.biologia.unipd.it. Accessed 8 March 2021.
  • Shelley, Roland M. 2002. A synopsis of the North American centipedes of the order Scolopendromorpha (Chilopoda). Virginia Museum of Natural History Memoir 5:108 pp.

Crayfish
  • Fetzner, James W., Jr. 2006. State of Maryland: Crayfish Species Checklist. Global Crayfish Resources. Carnegie Museum of Natural History.
  • Norden, Arnold W. 2008. Biological diversity of Plummers Island, Maryland: The crayfishes and their Entocytherid Ostracod associates. Bulletin of the Biological Society of Washington 15(1):49-51.
  • Norden, Arnold W., and Beth B. Norden. 1985. A new Entocytherid Ostracod of the genus Dactylocythere. Proceedings of the Biological Society of Washington 98(3):627-629.
  • Swecker, Casey D., Thomas D. Jones, Jay V. Kilian, and Luke F. Roberson. 2010. Key to the Crayfish of Maryland. Draft. Maryland Department of Natural Resources. Available at: https://dnr.maryland.gov/streams/Documents/KeytotheCrayfishesofMD_8_18_10.pdf.

Decapods - Crabs, Shrimp, etc.

Diplurans
  • Allen, Robert T. 2002. A synopsis of the Diplura of North America: Keys to higher taxa, systematics, distributions and descriptions of new taxa (Arthopoda: Insecta). Transactions of the American Entomological Society 128(4):403-466.

Fishes
  • Aguilar, Robert. Selected Checklists from Smithsonian Environmental Research Center (SERC) Surveys. Unpublished lists of verified data.
  • Ashton, Matthew, and Patrick Ciccotto. 2010. First records of Oriental Weatherfish (Misgurnus anguillicaudatus) in Maryland. Northeastern Naturalist 17(4):671-672.
  • Foote, Pete, and Nancy Magnusson. 1973. Summary of Fishes Caught in the Conowingo Dam Fish Collection Facility. Unpublished list of verified data. 2 pp.
  • Kazyak, Paul F., and Richard L. Raesly (Compilers). 2009. Key to the Freshwater Fishes of Maryland. 72 pp. Available at: https://dnr.maryland.gov/streams/Documents/fishkey_2003_09edits.pdf.
  • Kells, Val, and Kent Carpenter. 2011. A Field Guide to Coastal Fishes from Maine to Texas. Johns Hopkins University Press, Baltimore, MD. 448 pp.
  • Lenox, Scott. 2017. Fish in OC: Ocean City Fishing Report. Available at: http://fishinoc.com/category/daily-angle/. Accessed 10 March 2021.
  • Love, Joseph W., and Eric B. May. 2007. Relationships between fish assemblage structure and selected environmental factors in Maryland’s coastal bays. Northeastern Naturalist 14(2):251-268.
  • Love, Joseph W., Paulinus Chigbu, and Eric B. May. 2009. Environmental variability affects distributions of coastal fish species (Maryland). Northeastern Naturalist 16(2):255-268.
  • Murdy, Edward O., Ray S. Birdsong, and John A. Musick. 1997. Fishes of Chesapeake Bay. Smithsonian Institution Press, Washington, DC. 324 pp.
  • Muller, Tyler A. and Andrew M. Simons. 2024. Taxonomic revision of the Pirate Perches, Aphredoderus, (Percopsiformes: Aphredoderidae) with descriptions of two new species. Zootaxa 5415(1): 077–105. Available at: https://doi.org/10.11646/zootaxa.5415.1.3.
  • Murphy, Robert F., and David H. Secor. 2006. Fish and blue crab assemblage structure in a U.S. mid Atlantic coastal lagoon complex. Estuaries and Coasts 29(6):1121-1131.
  • Nico, Leo G., Andrew J. Ropicki, Jay V. Kilian, and Matthew Harper. 2019. Asian swamp eels in North America linked to the live-food trade and prayer-release rituals. Aquatic Invasions 14(4):775-814. Available at: https://www.reabic.net/aquaticinvasions/2019/AI_2019_Nico_etal.pdf.
  • O'Brien, Michael Henry Patrick. 2013. Marine influence on juvenile fish trophic ecology and community dynamics in Maryland's northern coastal lagoons. University of Maryland, College Park, MD. Avialable at: https://drum.lib.umd.edu/handle/1903/14694.
  • Page, Lawrence M., and Brooks M. Burr. 1991. Freshwater Fishes. Houghton Mifflin, New York, NY. 432 pp.
  • Raasch, Maynard S., and Vaughn L Altemus, Sr. 1991. Delaware’s Freshwater and Brackish-Water Fishes: A Popular Account. Delaware State College, Dover, DE. 166 pp.
  • Rohde, Fred C., Rudolf G. Arndt, David G. Lindquist, and James F. Parnell. 1994. Freshwater Fishes of the Carolinas, Virginia, Maryland, and Delaware. University of North Carolina Press, Chapel Hill, NC. 222 pp.
  • Werner, Robert G. 2004. A Field Guide to the Freshwater Fishes of the Northeastern United States. Syracuse University Press, Syracuse, NY. 335 pp.

Fleas
  • Eckerlin, Ralph P. 2011. The fleas (Siphonaptera) of Maryland. Annals of the Carnegie Museum 79(2):131-136.

Flies (Diptera)
  • Borkent, Christopher J., and Terry A. Wheeler. 2012. Systematics of phylogeny of Leptomorphus Curtis (Diptera: Mycetophilidae). Zootaxa 3549:1-117.
  • Dankowicz, Even, and Zachary Dankowicz. Field/Photo ID for Flies. Available at: https://sites.google.com/view/flyguide. Accessed 6 July 2021.
  • Evenhuis, Neal L. (Editor). 2016. Catalog of the Diptera of the Australasian and Oceanian Regions (online version). Bishop Museum, Honolulu, Hawai'i. Available at: http://hbs.bishopmuseum.org/aocat/aocathome.html. Accessed 2 August 2021.
  • Foster, George A. and Annette M. Foster. 2023. A survey of the snail-killing flies (Diptera: Sciomyzidae) of Howard County, Maryland. The Maryland Entomologist 8(3):2–44. Available at: https://marylandbiodiversity.com/docs/MES_Foster_and_Foster_2023_Survey_of_Snail-killing_Flies_of_Howard_County_MD.pdf.
  • Maa, Tsing C. 1969. A revised checklist and concise host index of Hippoboscidae (Diptera). Pacific Insects Monograph 20:261-299.
  • McAlpine, J. F., B. V. Peterson, G. E. Shewell, H. J. Teskey, J. R. Vockeroth, and D. M. Wood. 1981. Manual of Nearctic Diptera. Canadian Government Publishing Centre 1(27):1-674. Available at: https://publications.gc.ca/site/eng/9.817747/publication.html.
  • McAlpine, J. F., B. V. Peterson, G. E. Shewell, H. J. Teskey, J. R. Vockeroth, and D. M. Wood. 1987. Manual of Nearctic Diptera. Canada Communication Group 2(28):675-1332. Available at: https://publications.gc.ca/site/eng/9.817747/publication.html.
  • McAlpine, J. F., B. V. Peterson, G. E. Shewell, H. J. Teskey, J. R. Vockeroth, and D. M. Wood. 1989. Manual of Nearctic Diptera. Canada Communication Group 3(32):1333-1581. Available at: https://publications.gc.ca/site/eng/9.817751/publication.html.
  • Natural History Museum. 2020. Manual of Afrotropical Diptera. The Trustees of The Natural History Museum, London. https://www.nhm.ac.uk/our-science/our-work/biodiversity/manual-afrotropical-diptera.html. Accessed 2 August 2021.
  • O'Hara, James E. 2017. Tachinidae Resources. North American Dipterists Society (NADS). Available at: http://www.nadsdiptera.org/. Accessed 13 March 2021.
  • O'Hara, James E., and D. Monty Wood (Associated Publishers). 2004. Catalogue of the Tachinidae (Diptera) of America north of Mexico. Memoirs on Entomology, International 18:416 pp.
  • Raney, Herschel. 2003. Eastern Bombyliidae. Working list. Available at: http://www.hr-rna.com/RNA/Other%20insect%20pages/Eastern%20Bombylids.htm. Accessed 13 March 2021.
  • Sinclair, Bradley J., Scott E. Brooks, and Jeffrey M. Cumming. 2013. Revision of the Empis subgenus Enoplempis Bigot, east of the Rocky Mountains (Diptera: Empididae). Zootaxa 3736(5):401–456.
  • Skevington, Jeffrey H., Michelle M. Locke, Andrew D. Young, et al. 2019. Field Guide to the Flower Flies of Northeastern North America. Princeton University Press. 511 pp.
  • Spencer, Kenneth A., and George C. Steyskal. 1986. Manual of the Agromyzidae (Diptera) of the United States. Department of Agriculture, Agricultural Research Service. Agriculture Handbook 638:484 pp. Available at: http://dx.doi.org/10.5962/bhl.title.119606.
  • Thompson, Patrick H. 1967. Tabanidae of Maryland. Transactions of the American Entomological Society 93(4):463-519.
  • Williams, Gaye L., and Gary J. Steck. 2014. Ophiomyia kwansonis Sasakawa (Diptera: Agromyzidae), the Daylily Leafminer, an Asian species recently identified in the continental United States. Proceedings of the Entomological Society of Washington 116(4):421-428.
  • Young, Chen W. 2005. The Crane Flies (Diptera: Tipulidae) of Pennsylvania. Carnegie Museum of Natural History, Pittsburgh, PA. Available at: http://diptera.myspecies.info/content/chen-w-young-2005-crane-flies-diptera-tipulidae-pennsylvania-carnegie-museum-natural-history. Accessed 10 March 2021.

Freshwater Bivalves

Freshwater Sponges
  • Watts, Tonya M., Marian E. Norris, and James M. Pieper, Jr. 2010. Inventory and Monitoring Program: A New Record of Ephydatia muelleri in Prince William Forest Park (PRWI). National Capital Region Network. National Park Service, Fort Collins, CO. Natural Resource Technical Report NPS/NCRN/NRTR 2010/363. Available at: http://www.nps.gov/prwi/learn/nature/upload/Freshwater_Sponge_study.pdf.

Fungi
  • Abbasi, Mehrdad, John F. Klimek, and Mary Cathierine Aime. 2016. First report of rust disease caused by Puccinia liliacearum on Ornithogalum umbellatum from Indiana and Maryland with notes on the spread of the rust fungus in USA. Plant Disease 100(10):2169.
  • Bessette, Alan E., Arleen R. Bessette, David W. Fischer. 1997. Mushrooms of Northeastern North America. Syracuse University Press, Syracuse, NY. 582 pp.
  • Bessette, Alan E., David B. Harris, and Arleen R. Bessette. 2009. Milk Mushrooms of North America: a field identification guide to the genus Lacterius. Syracuse University Press, Syracuse, NY. 299 pp.
  • Bessette, Alan E., William C. Roody, and Arleen R. Bessette. 2010. North American Boletes: A Color Guide to the Fleshy Pored Mushrooms. Syracuse University Press, Syracuse, NY. 396 pp.
  • Bessette, Alan E., William C. Roody, Walter E. Sturgeon, and Arleen R. Bessette. 2012. Waxcap Mushrooms of Eastern North America. Syracuse University Press, Syracuse, NY. 192 pp.
  • Bessette, Alan E., Arleen R. Bessette, William C. Roody, and Steven A. Trudell. 2013. Tricholomas of North America: A Mushroom Field Guide. University of Texas Press, Austin, TX. 220 pp.
  • Bessette, Alan E., William C. Roody, and Arleen R. Bessette. 2016. Boletes of Eastern North America. Syracuse University Press, Syracuse, NY. 469 pp.
  • Beug, Michael, Arleen R. Bessette, and Alan E. Bessette. 2014. Ascomycete Fungi of North America: A Mushroom Reference Guide. University of Texas Press, Austin, TX. 502 pp.
  • Biechele, Lance T. Collections of Delmarva Records, Including Fungi, Lichens, Algae, and Dodders. Unpublished lists of verified data.
  • Binion, Denise, Steve Stephenson, William C. Roody, Harold H. Burdsall, Jr., Orson K. Miller, Jr., and Larissa Vasilyeva. 2008. Macrofungi Associated with Oaks of Eastern North America. West Virginia University Press, Morgantown, WV. 468 pp.
  • Horst, R. Kenneth, editor. 2001. Westcott's Plant Disease Handbook. 6th edition. Kluwer Academic Publishers, Norwell, MA. 1032 pp. Available at: https://books.google.com/books/about/Westcott_s_Plant_Disease_Handbook.html?id=M6WLVNWDQ-QC.
  • Index Fungorum Partnership. Index Fungorum. Available at: https://www.kew.org/science. Accessed 11 March 2021.
  • Kew Royal Botanical Gardens. 2015. Fungarium. Available at: http://www.kew.org/science/collections/fungarium. Accessed 11 March 2021.
  • Koslow, Jennifer M., and Keith Clay. 2010. Spatial and temporal patterns of rust infection on jewelweed (Impatiens capensis). University of Chicago, IL. International Journal of Plant Sciences. 171(5):529-537.
  • Kuo, Michael. 2000-2017. MushroomExpert.com. Available at: http://www.mushroomexpert.com. Accessed 11 March 2021.
  • Kuo, Michael, and Andrew S. Methven. 2014. Mushrooms of the Midwest. University of Illinois Press, Urbana and Chicago, IL. 440 pp.
  • Lincoff, Gary H. 1981. National Audubon Society Field Guide to Mushrooms. Knopf: Chanticleer Press, New York, NY. 928 pp.
  • Miller, Orson K., and Hope H. Miller. 2006. North American Mushrooms: A Field Guide to Edible and Inedible Fungi. Falcon Guide, Guilford, CT. 592 pp.
  • Olson, Jennifer. Biscogniauxia (Hypoxylon) Canker and Dieback of Trees. Oklahoma State University Cooperative Extension Service. EPP-7620. Available at: https://extension.okstate.edu/fact-sheets/biscogniauxia-canker-and-dieback-of-trees.html. Accessed 11 March 2021.
  • Phillips, Roger. 2010. Mushrooms and Other Fungi of North America. Firefly Books, Richmond Hill, ON. 384 pp.
  • Robert, Vincent A., Gerritt Stegehuis, and Joost A. Stalpers. 2005. MycoBank: Fungal Databases, Nomenclature, and Species Banks. International Mycological Association. Available at: http://www.mycobank.org/. Accessed 13 March 2021.
  • Roody, William C. 2003. Mushrooms of West Virginia and the Central Appalachians. University Press of Kentucky, Lexington, KY. 536 pp.
  • Uecker, Francis A., and Harold H. Burdsall, Jr. 1977. Tuber spinoreticulatum, a new truffle from Maryland. Mycologia 69:626-630.
  • Weir, Alex. Biology of Laboulbeniales. SUNY College of Environmental Science and Forestry, NY. Available at: https://www.esf.edu/laboulbeniales/.
  • Woehrel, Mary L., and William H. Light. 2017. Mushrooms of the Georgia Piedmont & Southern Appalachians. University of Georgia Press. 664 pp.

Gastropods
  • Bouchet, Phillippe, and Jean-Pierre Rocroi (with Jiří Frýda, Bernhard Hausdorf, Winston Ponder, Ángel Valdés, and Anders Warén). 2005. Classification and nomenclator of gastropod families. ConchBooks, Hackenheim, Germany. Malacologia 47(1-2):1–397.
  • Dillon, Robert T., Jr., Matthew J. Ashton, M. Kohl, W. Reeves, Thomas P. Smith, T. Stewart, and B. Watson. 2013. The freshwater gastropods of North America (FWGNA). Available at: http://www.fwgna.org. Accessed 13 March 2021.
  • Dillon, Robert T. 2015. Mid-Atlantic Freshwater Snail Data. Unpublished list of verified data received 16 Feb 2015. Rob Aguilar extracted the Maryland records and determined county and Baltimore City locations.
  • Hotopp, Kenneth P., Timothy A. Pearce, Jeffrey C. Nekola, John Slapcinsky, Daniel C. Dourson, M. Winslow, G. Kimber, and Brian Watson. 2013. Land Snails and Slugs of the Mid-Atlantic and Northeastern United States. Carnegie Museum of Natural History, Pittsburgh, PA, U.S.A. Available at: http://www.carnegiemnh.org/science/mollusks/index.html. Accessed 16 March 2021.
  • Hubricht, Leslie. 1985. The distributions of the native land mollusks of the eastern United States. Field Museum of Natural History, Chicago, IL. Fieldiana 1359:99 pp.
  • Norden, Arnold W. 2007. Construction of aestivation cells by the introduced European slug, Arion subfuscus, in Montgomery County, Maryland. The Maryland Naturalist 48(1):49-51.
  • Norden, Arnold W. 2008. The Terrestrial Gastropods (Mollusca: Gastropoda) of Plummers Island, Maryland. Bulletin of the Biological Society of Washington 15(1):31-40. Available at: https://doi.org/10.2988/0097-0298(2008)15[31:TTGMGO]2.0.CO;2.
  • Norden, Arnold, and Gaye Williams. 2015. Limax maximus (Gastropoda: Limacidae) predation on Magicicada septendecim (Hemiptera: Cicadidae) in Prince George's County, Maryland. The Maryland Naturalist 53(1):52-54.
  • Örstan, Aydin. Land Snails of Black Hill Regional Park, Montgomery County, Maryland. 1999. The Maryland Naturalist 43(3-4):20-24.
  • Örstan, Aydin and Timothy A. Pearce. Report of Work Done Under [MD DNR] Permit Number SCP-2023-100 [2023 Potomac River freshwater snail survey]. Section of Mollusks, Carnegie Museum of Natural History, Pittsburgh, Pennsylvania. Available at: https://www.marylandbiodiversity.com/docs/Orstan_Pearce_2023.pdf. Accessed 20 February 2024.
  • Pfitzenmeyer, Hayes T. 1960. Notes on the Nudibranch, Elysia chloritica, from Chesapeake Bay, Maryland. Chesapeake Science 1(2):114-115.
  • Steury, Brent W., and Timothy A. Pearce. 2014. Land snails and slugs (Gastropoda: Caenogastropoda and Pulmonata) of two national parks along the Potomac River near Washington, District of Columbia. Banisteria 43:3-20.
  • Steury, Brent W. 2014. Aquatic snails (Gastropoda) from national park sites in northern Virginia and adjacent Maryland, with an updated checklist of regional species. Banisteria 44:13-18.
  • Wells, Harry. 1965. Maryland records of the gastropod, Littorina littorea, with a discussion of factors controlling its southern distribution. Chesapeake Science 6(1):38-42.

Harvestmen
  • Shultz, Jeffrey W. 2018. A guide to the identification of the harvestmen (Arachnida: Opiliones) of Maryland. Northeastern Naturalist 25:21-49.
  • Shultz, Jeffrey W. The Harvestmen of Maryland. Available at: http://www.life.umd.edu/entm/shultzlab/opiliomd/. Accessed 13 March 2021.

Insects (General)
  • BugGuide. Identification, Images, and Information for Insects, Spiders and Their Kin for the United States and Canada. Iowa State University, Department of Entomology. Available at: http://bugguide.net. Accessed frequently.
  • California Terrestrial Arthropod Database (CalBug). 2015. University of California, Berkeley. Available at: http://calbug.berkeley.edu. Accessed 11 March 2021.
  • Childs, Ken. Insect Photo Galleries. Available at: https://www.flickr.com/photos/11111191@N07/collections/72157664614062176/.
  • Eiseman, Charles S., Tracy S. Feldman, Eric F. LoPresti, and Michael W. Palmer. 2017. First North American records of Porphyrosela minuta Clarke (Lepidoptera: Gracillariidae), with notes on its native congener, P. desmodiella (Clemens). Proceedings of the Entomological Society of Washington 119(1):18-23.
  • Eiseman, Charley, and Noah Charney, with John Charlson. 2010. Tracks & Signs of Insects and Other Invertebrates: A Guide to North American Species. Stackpole Books, Mechanicsburg, PA. 392 pp.
  • Entomology and Nematology Department. Featured Creatures. University of Florida. Available at: http://entnemdept.ufl.edu/creatures/. Accessed 11 March 2021.
  • Essig Museum of Entomology. 2017. Collections. University of California, Berkeley. Available at: http://essigdb.berkeley.edu/. Accessed 11 March 2021.
  • Kathirithamby, Jeyaraney, and Steven J. Taylor. 2005. A new species of Halictophagus (Insecta: Strepsiptera: Halictopgidae) from Texas, and a checklist of Strepsiptera from the United States and Canada. Zootaxa 1056:1-18.
  • Smithsonian Institution National Museum of Natural History (NMNH). Department of Entomology collection records.
  • Young, James. Export of Specimen Records. Unpublished list of verified data received October 2014.

Invasive Species (General)
  • Center for Invasive Species and Ecosystem Health. Invasive and Exotic Species of North America. University of Georgia. Available at: http://www.invasive.org/. Accessed 11 March 2021.
  • Invasive Species Specialist Group (ISSG). 2015. Global Invasive Species Database (GSID). International Union for Conservation of Nature (IUCN) Species Survival Commission (SSC). Available at: http://www.iucngisd.org/gisd/. Accessed 11 March 2021.
  • Maryland Invasive Species Council. 2000. Invasive Species of Concern in Maryland. Accessed on 1 January 2022.

Isopods
  • Lewis, Julian J., Thomas E. Bowman, and Daniel J. Feller. 2011. A synopsis of the subterranean asellids of Maryland, U.S.A., with description of Caecidotea alleghenyensis, new species (Crustacea: Isopoda: Asellota). Zootaxa 2769:54-64.
  • Norden, Arnold W. 2008. The Terrestrial Isopods (Crustacea: Isopoda: Oniscidea) of Plummers Island, Maryland. Bulletin of the Biological Society of Washington 15(1):41-43. Available at: https://doi.org/10.2988/0097-0298(2008)15[41:TTICIO]2.0.CO;2.

Jellyfish
  • Bayha, Keith M., Allen G. Collins, and Patrick M. Gaffney. 2017. Multigene phylogeny of the scyphozoan jellyfish family Pelagiidae reveals that the common U.S. Atlantic sea nettle comprises two distinct species (Chrysaora quinquecirrha and C. chesapeakei). PeerJ 5:e3863.
  • Jenkins, David G., William L. Grogan Jr., and Michael E. Folkoff. 1994. An Additional Record of the Freshwater Jellyfish, Craspedacusta sowerbii, on Maryland's Eastern Shore, with Notes on its Habitat (Hydrozoa: Hydroida: Petasidae). The Maryland Naturalist 38(3-4):3-6.
  • Purcell, Jennifer E. 2016. Jellyfish in Chesapeake Bay and Nearby Waters. NOAA Ocean Service Education. Available at: http://oceanservice.noaa.gov/education/lessons/stinging_sea_append.html. Accessed 11 March 2021.

Lady Beetles
  • Losey, John (Founder and Director). 2016. The Lost Ladybug Project. Associated with Cornell University. Available at: http://www.lostladybug.org/. Accessed 11 March 2021.

Leeches
  • Klem, Donald J. 1972. Biota of Freshwater Ecosystems, Identification Manual No. 8, Freshwater Leeches (Annelida: Hirudinea) of North America. U.S. Government Printing Office, Washington, DC. 53 pp.

Lichens
  • Biechele, Lance T. Collections of Delmarva Records, Including Fungi, Lichens, Algae, and Dodders. Unpublished lists of verified data.
  • Biechele, Lance T. 2002. The lichen flora of the lower eastern shore of the Delmarva Peninsula. Evansia 19(1):17-19.
  • Esslinger, Theodore L. A Cumulative Checklist for the Lichen-forming, Lichenicolous and Allied Fungi of the Continental United States and Canada. North Dakota State University. Version 2. Available at: https://www.ndsu.edu/pubweb/~esslinge/chcklst/chcklst7.htm.
  • Harris, Richard C., Irwin M. Brodo, and Tor Tønsberg. 2000. Lecanora thysanophora, a common Leprose Lichen in eastern North America. The Bryologist 103(4):790-793.
  • Lendemer, James C. 2013. Lichens of Elk Ridge Native Plant Preserve. Unpublished list of verified data.
  • Lendemer, James C. 2017. Revision of Gyalideopsis ozarkensis and G. subaequatoriana (Gomphillaceae;lichenized Ascomycetes), leads to the description of an overlooked new species. The Bryologist 120(3):274-286.
  • Lendemer, James C., and Wesley M. Knapp. 2007. Contributions to the lichen flora of Maryland: Recent collections from the Delmarva Peninsula. Opuscula Philolichenum 4:23-40.
  • Lendemer, James C., Richard C. Harris, and Douglas Ladd. 2016. The faces of Bacidia schweinitzii: molecular and morphological data reveal three new species including a widespread sorediate morph. The Bryologist 119(2):143-171.
  • Lendemer, James C., and David Ray. 2017. Two new pinicolous Arthonia (Arthoniaceae; Arthoniomycetes) from the Delmarva Peninsula of the Atlantic Coastal Plain in eastern North America. The Bryologist 120(1):11-18.
  • Orr, Richard. Mt. Pleasant Lichen List. Unpublished list of verified data received 7 August 2017.
  • Robert, Vincent A., Gerritt Stegehuis, and Joost A. Stalpers. 2005. MycoBank: Fungal Databases, Nomenclature, and Species Banks. International Mycological Association. Available at: http://www.mycobank.org/.
  • Skorepa, Allen C., Arnold W. Norden, and Donald R. Windler. 1977. Studies of the lichens of Maryland. Castanea 42(4):265-279.
  • Skorepa, Allen C., Arnold W. Norden, and Donald R. Windler. 1979. Substrate ecology of lichens in Maryland. Castanea 44(3):129-142.
  • Skorepa, Allen C., and Arnold W. Norden. 1984. Threatened and Endangered Plants and Animals of Maryland: The Rare Lichens of Maryland. Maryland Natural Heritage Program.
  • Uebel, Edward (Compiler). 2016. List of Lichens of Maryland. 2016. Available at: https://en.wikipedia.org/wiki/List_of_lichens_of_Maryland. Accessed 11 March 2021.
  • Uebel, Edward (Compiler). 2016. Lichens of Soldiers Delight. Available at: https://en.wikipedia.org/wiki/Lichens_of_Soldiers_Delight. Accessed 11 March 2021.
  • Uebel, Edward. Checklist of lichens and lichenicolous fungi of Maryland (USA). Accessed 2013. Link no longer exists.

Macroalgae
  • Orris, Patricia K. 1980. A revised species list and commentary on the macroalgae of the Chesapeake Bay in Maryland. Estuaries 3(3):200-206.

Mammals

Maryland Biodiversity Project

Mayflies
  • Northern Prairie Wildlife Research Center. Mayflies of Maryland. U.S. Geological Survey. Link no longer exists.

Mites
  • Keifer, Hartford H., Edward W. Baker, Tokuwo Kono, Mercedes Delfinado, and William E. Styer. 1982. An Illustrated Guide to Plant Abnormalities Caused by Eriophyid Mites in North America. U. S. Department of Agriculture. Agriculture Handbook 573:178 pp. Available at: http://naldc.nal.usda.gov/download/CAT87208955/PDF.
  • Smith, Sherrie (Editor). 2015. Arkansas Cooperative Extension Service, University of Arkansas Division of Research & Extension. Plant Health Clinic News Issue 13.

Millipedes
  • Hoffman, Richard L. 1999. Checklist of the millipeds of North and Middle America. Virginia Museum of Natural History Special Publications 8:584 pp.
  • Shelley, Rowland M. 2000. Annotated checklist of the millipedes of Florida (Arthropoda: Diplopoda). Insecta Mundi 14(4):241-251.

Mollusks
  • Ashton, Matt, and Kyle Sullivan. 2016. Assessment of the freshwater mussel community of the tidal-freshwater Anacostia River. Maryland Department of Natural Resources. Prepared for the Anacostia Watershed Society. 26 pp.
  • Branscomb, E. Sanford. 1976. Proximate causes of mortality determining the distribution and abundance of the barnacle Balanus improvisus Darwin in Chesapeake Bay. Chesapeake Science 17(4):281-288.
  • Chesapeake Bay Program. 2012. Field Guide: Barnacles. Available at: http://www.chesapeakebay.net/fieldguide/critter/barnacles.
  • Clayton, James T. 1992. Introduced marine and estuarine mollusks of North America: an end-of-the-20th-century perspective. Journal of Shellfish Research 11(2):489-505.
  • Dineen, Joseph F., Jr., and Anson H. Hines. 1994. Effects of salinity and adult extract on settlement of the oligohaline barnacle Balanus subalbidus. Marine Biology 119(3):423-430.
  • Kennedy, Victor S., and Jane DiCosimo. 1983. Subtidal Distribution of barnacles (Cirripedia: Balanidae) in Chesapeake Bay, Maryland. Estuaries 6(2):95-101.
  • LaSalle, Mark W, and Armando A. de la Cruz. 1985. Species profiles: life histories and environmental requirements of coastal fishes and invertebrates (Gulf of Mexico): Common rangia. Washington, DC: Fish and Wildlife Service. Biological Report 82, 11(31):18 pp.
  • Stone, Roger D. 2006. Oyster Restoration in St. Mary's River (MD). National Fish and Wildlife Foundation Final Programmatic Report 2006-0100-009. Available at: http://www.smrwa.org/pdfdocs/pub_OysterFinalReport.pdf.

Mosquitoes
  • Maryland Department of Agriculture Mosquito Control Section (MCS). Checklist of Maryland mosquitoes. Unpublished list of verified data provided by Josh Emm.

Moths
  • Beadle, David, and Seabrooke Leckie. 2012. Peterson Field Guide to Moths of Northeastern North America. Houghton Mifflin Harcourt, New York, NY. 624 pp.
  • Biechele, Lance T. 2008. Moths of Somerset County, Maryland. An Index of Species Photographed in Princess Anne, MD. Revision. Unpublished list of verified data.
  • Brou, Vernon Antoine, Jr., and J. Donald Lafontaine. 2009. A new species of Lithophane Hbn. (Lepidoptera, Noctuidae, Xyleninae) from southeastern United States. ZooKeys 9:11-20.
  • Cashatt, Everett D. 1972. Notes on the balanotes (Meyrick) group of Oidaematophorus Wallengren with a description of a new species (Pterophoridae). Journal of the Lepidopterists' Society 26(1):1-13. Available at: https://www.biodiversitylibrary.org/partpdf/145289.
  • Cave, Gary Leonard. 1977. Chionodes mediofuscella (Clemens) (Lepidoptera:Gelechiidae), An Indigenous Insect Infesting the Seeds of Giant Ragweed (Ambrosia trifida L.) (Compositae). Virginia Polytechnic Institute and State University. 120pp. Available at: https://vtechworks.lib.vt.edu/bitstream/handle/10919/64132/LD5655.V855_1977.C39.pdf?sequence=1&isAllowed=y.
  • Childs, Ken. Lepidoptera of Western Tennessee. Available at: https://www.flickr.com/photos/11111191@N07/collections/72157662300945503/.
  • Covell, Charles V., Jr. 1984. Peterson Field Guide to the Moths of Eastern North America. Houghton Mifflin, Boston, MA. 518 pp.
  • Crabo, Lars, Melanie Davis, Paul Hammond, Tomas Mustelin, and Jon Shepard. 2013. Five new species and three new subspecies of Erebidae and Noctuidae (Insecta, Lepidoptera) from Northwestern North America, with notes on Chytolita Grote (Erebidae) and Hydraecia Guenée (Noctuidae). ZooKeys 264:85-123. Available at: http://dx.doi.org/10.3897/zookeys.264.4304.
  • Davis, Donald R., and Jean-François Landry. 2012. A review of the North American genus Epimartyria (Lepidoptera, Micropterigidae) with a discussion of the larval plastron. ZooKeys 183:37–83. Available at: https://doi.org/10.3897/zookeys.183.2556.
  • Eiseman, Charles S., Donald R. Davis, Julia A. Blyth, David L. Wagner, Michael W. Palmer, and Tracy S. Feldman. 2017. A new species of Marmara (Lepidoptera: Gracillariidae: Marmarinae), with an annotated list of known hostplants for the genus. Zootaxa 4337(2):198-222.
  • Etheridge, Mark. 2009. Moths of Myersville, MD. Available at: http://polygoniabrewing.com/myersvillemoths.html. Accessed 11 March 2021.
  • Fauske, Gerald M. 2009. Moths of North Dakota: An Online Identification Guide. North Dakota State University. Available at: https://www.ndsu.edu/ndmoths/ndmoths/. Accessed 11 March 2021.
  • Ferguson, Douglas C. 1975. Host records for Lepidoptera reared in Eastern North America. U. S. Department of Agriculture, Agricultural Research Service. Technical Bulletin 1521:1-49. Available at: https://naldc.nal.usda.gov/naldc/download.xhtml?id=CAT76667713.
  • Ferguson, Douglas C., Daniel J. Hilburn, and Barry Wright. 1991. The Lepidoptera of Bermuda: their foodplants, biogeography, and means of dispersal. Memoirs of the Entomological Society of Canada 158:3-105.
  • Ferguson, Douglas C., and John H. Glaser. 2005 (last update). Micromoths of Maryland: Pyralidae, annotated list. Unpublished list of verified data. (Contained within Glaser’s Micromoths of Maryland).
  • Gilligan, Todd M. 2003-2014. Tortricidae Resources on the Web. Version 2.0. Available at: http://www.tortricidae.com. Accessed 11 March 2021.
  • Gilligan, Todd M., and Marc E. Epstein. 2014. TortAI: Tortricidae of Agricultural Importance. Available at: http://idtools.org/id/leps/tortai. Accessed 11 March 2021.
  • Gilligan, Todd M., Donald J. Wright, and L. D. Gibson. 2008. Olethreutine moths of the midwestern United States: An identification guide. Bulletin of the Ohio Biological Survey 16:1-334.
  • Gilligan, Todd M., Donald J. Wright, Richard L. Brown, Benno A. Augustinus, and Urs Schaffner. 2020. Taxonomic issues related to biological control prospects for the ragweed borer, Epiblema strenuana (Lepidoptera: Tortricidae). Zootaxa 4729(3):347-358.
  • Glaser, John H., H. G. "Tibby" Stevenson, and Douglas C. Ferguson. 2005 (last update). Macromoths of Maryland: An Annotated List. Unpublished lists of verified data.
  • Glaser, John H. 2005 (last update). Micromoths of Maryland, annotated lists. Unpublished lists of verified data.
  • Glaser, John H. Prettyboy Reservoir Species List. Unpublished list of verified data.
  • Glaser, John H. Bush Declaration: Species List. Unpublished list of verified data.
  • Glaser, John H. Species List: Green Road Marsh (2 miles east of Sweet Air, Baltimore County). Unpublished list of verified data.
  • Glaser, John H. Systematic checklist of the moths of Fort Washington and Piscataway National Parks. Unpublished list of verified data.
  • Glaser, John H. Soldiers Delight species list, with capture dates and number of specimens taken. Unpublished list of verified data.
  • Glaser, John H. Eastern Neck Wildlife Refuge: vouchers in hand. Unpublished list of verified data.
  • Hall, Steven, Bo Sullivan, Parker Backstrom, Merrill Lynch, and Tom Howard. Moths of North Carolina. NC State Parks System and NC Biodiversity Project. Available at: http://www.dpr.ncparks.gov/moths. Includes Species Status, which, in some cases, shows nomenclature history, species elevation dates, etc.
  • Handfield, Louis. 2001. Le Guide des papillons du Québec: Volume 1. Brouquet, Boucherville, QC. 660 pp.
  • Handfield, Louis, and Daniel Handfield. 2021. A revision of the Canadian species of the Genus Herpetogramma Lederer, 1863 (Lepidoptera: Crambidae: Spilomelinae: Herpetogrammatini), with descriptions of three new species. Bonn zoological Bulletin 70(1):173-199. Available at: https://www.zoologicalbulletin.de/BzB_Volumes/Volume_70_1/173_handfield_20210513.pdf.
  • Himmelman, John. 2002. Discovering Moths: Nighttime Jewels in Your Own Backyard. Down East Books, Camden, ME. 232 pp.
  • Koster, Sjaak J. C. 2010. The genera Cosmopterix Hübner and Pebobs Hodges in the New World with special attention to the neotropical fauna (Lepidoptera: Cosmopterigidae). Zoologische Mededelingen 84:251-575.
  • Lafontaine, J. Donald, and J. Bolling Sullivan. 2015. A Revision of the Genus Doryodes Guenée, 1857, with Descriptions of Six New Species (Lepidoptera, Erebidae, Catocalinae, Euclidiini). ZooKeys 527: 3–30. Available at: https://doi.org/10.3897/zookeys.527.6087.
  • Leckie, Seabrook, and David Beadle. 2018. Peterson Field Guide to Moths of Southeastern North America. Houghton Mifflin Harcourt, New York, NY. 652 pp.
  • Lee, Sangmi, and Richard L. Brown. 2009-2015. Revised Checklist of Coleophoridae in America North of Mexico. Mississippi Entomological Museum, Mississippi State University. Available at: http://mississippientomologicalmuseum.org.msstate.edu/Researchtaxapages/Lepidoptera/Coleophoridae/Checklists/Nearctic-Coleophoridae.html. Acessed 13 March 2021.
  • Line, Larry. 2005. Moths of Maryland and Specimens from Other States. Much of the text pertaining to Maryland as a whole comes from the Glaser et al, annotated texts. Available at: http://www.marylandmoths.com. Accessed 13 March 2021.
  • Matthews, Deborah, and Charles V. Covell, Jr. 2021. Common Names of North American Plume Moths (Lepidoptera: Pterophoridae). Southern Lepidopterists' News 43(2):123-148. Available at: https://www.researchgate.net/publication/352935782_COMMON_NAMES_OF_NORTH_AMERICAN_PLUME_MOTHS_LEPIDOPTERA_PTEROPHORIDAE.
  • Matthews, Deborah L., Charles V. Covell, Jr., Katrina M. Lane, and Jacqueline Y. Miller. 2014. Larval Hostplants of Geometridae (Lepidoptera) Collected by Dale H. Habeck in Florida. Proceedings of the Entomological Society of Washington 116(1):36-68. Available at: https://www.researchgate.net/publication/276200997_Larval_Hostplants_of_Geometridae_Lepidoptera_Collected_by_Dale_H_Habeck_in_Florida.
  • Messenger, Charlie. 1997. The Sphinx Moths (Lepidoptera: Sphingidae) of Nebraska. Transactions of the Nebraska Academy of Sciences 24:89-141.
  • Miller, James S., David L. Wagner, Paul A. Opler, and J. Donald Lafontaine. 2018. The Moths of North America, Fascicle 22.1A Drepanoidea, Doidae; Noctuoidea, Notodontidae (Part): Pygaerinae, Notodontinae, Cerurinae, Phalerinae, Periergosinae, Dudusinae, Hemiceratinae. The Wedge Entomological Research Foundation. 348 pp.
  • Mississippi Entomological Museum. North American Moth Photographers Group (MPG). Mississippi State University. Available at: http://mothphotographersgroup.msstate.edu/. Accessed 13 March 2021.
  • Mississippi Entomological Museum. Moth Photographers Group (MPG), taxonomic notes. Mississippi State University. Available at: http://mothphotographersgroup.msstate.edu/taxonomic_notes.php. Accessed 13 March 2021.
  • Munroe, Eugene. 1956. Restriction and revision of the genus Diastictis Hübner (Lepidoptera: Pyralidae). The Canadian Entomologist 88(5):208-228.
  • Ripley, Arlene. 2007. Moths of Calvert County, MD. The Curious Naturalist.
  • Schmidt, B. Christian, and J. Bolling Sullivan. 2018. Three species in one: a revision of Clemensia albata Packard (Erebidae, Arctiinae, Lithosiini). ZooKeys788:39-55.
  • Staines, Charles L., Jr. 1979. Observations on the Variable Oak Leaf Caterpillar, Heterocampa manteo (Doubleday) (Lepidoptera: Notodontidae) in Maryland. Proceedings of the Entomological Society of Washington 79(3):343-345.
  • Van Nieukerken, Erik J. (Editor). 2016. Nepticulidae and Opostegidae of the World. Version 2.0. Scratchpads, Biodiversity Online. Available at: http://nepticuloidea.info/. Accessed 13 March 2021.
  • Van Nieukerken, Erik J., Daniel Owen Gilrein, and Charles S. Eiseman. 2018. Stigmella multispicata Rocienė and Stonis, an Asian leafminer on Siberian elm now widespread in eastern North America. ZooKeys 784:95-125.
  • Van Nieukerken, Erik J., Daniel Owen Gilrein, and Charles S. Eiseman. 2018. An invasive Asian leafminer on Siberian elm is spreading through eastern North America (Nepticulidae). Presented at the Combined Annual Meeting of the Leipidopterists' Society and Societas Europaea Lepidopterologica, 10-15 Jul 2018, Carleton University, Ottawa, Ontario, Canada.

Odonata - Dragonflies and Damselflies
  • Dunkle, Sidney W. 2000. Dragonflies Through Binoculars: A Field Guide to Dragonflies of North America. Oxford University Press. 266 pp.
  • Lam, Ed. 2004. Damselflies of the Northeast: A Guide to the Species of Eastern Canada & the Northeastern United States. Biodiversity Books. 96 pp.
  • Needham, James George G., Minter J. Westfall, Jr., and Michael L. May. 2000. Dragonflies of North America. Revised edition. Scientific Publishers, Inc. 939 pp.
  • Orr, Richard. 2017 (updated yearly). Odonata of Maryland and Washington, DC. Available at: http://www.marylandinsects.com/MDDCOdonateRecords.html. Accessed 13 March 2021.
  • Paulson, Dennis. 2011. Dragonflies and Damselflies of the East. Princeton University Press, Princeton, NJ, USA. 538 pp.
  • Solem, Robert, and Joanne Solem (Compilers). 2013. Howard County Bird Club Odonata site records.
  • Solem, Robert, and Joanne Solem. 2017. Personal Howard County records. Unpublished list of verified data.
  • Staines, Charles L., Jr., Stephen C. Malan, Gaye L. Williams, and Thomas L. Shea, Jr. 1984. Species composition in a guild of overwintering Rhyacionia spp. (Lepidoptera: Tortricidae, Olethreutinae) populations in Maryland. Proceedings of the Entomological Society of Washington 86(4):821-825.
  • Tveekrem, June (Compiler). 2017. Howard County dragonfly count results 2006-2017. Unpublished list of verified data.
  • Ware, Jessica L., Erik Pilgrim, Michael L. May, Thomas W. Donnelly, and Kenneth Tennessen. 2016. Phylogenetic relationships of North American Gomphidae and their close relatives. Systematic Entomology 42(2):301-471.
  • Westfall, Minter J., Jr., and Michael L. May. 1996. Damselflies of North America. Scientific Publishers. 649 pp.

Orthoptera

Planarians
  • Ogren, Robert E., Elizabeth S. Yuster, and Arnold Norden. 2004. Land planarians from the State of Maryland, U.S.A. (Platyhelminthes: Seriata: Turbellaria: Tricladida: Terricola). Unpublished list of verified data. 7 pp.
  • Winsor, Leigh. 1983. A revision of the cosmopolitan land planarian Bipalium kewense Moseley, 1878 (Turbellaria: Tricladida: Terricola). Zoological Journal of the Linnean Society 79:61-100.

Planthoppers
  • Bartlett, Charles R., Erin R. Adams, and Anthony T. Gorzon, Jr. 2011. Planthoppers of Delaware (Hemiptera, Fulgoroidea), excluding Delphacidae, with species incidence from adjacent states. ZooKeys (83):1-42. Available at: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3082965/.
  • Bartlett, Charles R. 2020 (and updates). Planthoppers of North America. University of Delaware College of Agriculture and Natural Resources. Available at: https://sites.udel.edu/planthoppers/.
  • Childs, Ken. Leafhoppers, Treehoppers, Planthoppers, and Spittlebugs photo gallery. Available at: https://www.flickr.com/photos/11111191@N07/sets/72157664495146991/.
  • Kennedy, Ashley C., and Charles R. Bartlett. 2013. Systematics of Caenodelphax Fennah (Hemiptera: Fulgoroidea: Dephacidae) and description of the new genus Flavoclypeus. Transactions of the American Entomological Society 140:17-65.
  • Morgan, Loy W., and Raymond H. Beamer. 1949. A revision of three genera of Delphacine Fulgorids from America north of Mexico (Homoptera-Fulgoridae-Delphacinae). Journal of the Kansas Entomological Society 22(4):97-120.

Plants
  • Assateague Island National Seashore. Seabeach Amaranth Amaranthus pumilus. Available at: https://www.nps.gov/asis/learn/nature/upload/SeabeachAmaranthbrochure.pdf.
  • Atha, Daniel E., Michael H. Nee, and Robert F. C. Naczi. 2010. Persicaria extremiorientalis (Polygonaceae) is established in the flora of eastern United States of America. Journal of the Torrey Botanical Society 137(4):333-338.
  • Baldwin, J. T. 1941. Galax: the genus and its chromosomes. The Journal of Heredity 32(8):249-254. Available at: https://archive.org/details/sim_journal-of-heredity_1941-08_32_8.
  • Barrows, Edward M., Aaron F. Howard, and Brent W. Steury. 2012. Fruit production and phenology of Phacelia covillei S. Watson (Hydrophyllaceae) in the Potomac River gorge area of Maryland and Virginia. Marilandica 3(1):10-14. Available at: https://mdflora.org/Resources/Publications/Marilandica/marilandica_v3_n1.pdf.
  • Barrows, Edward M., Aaron F. Howard, and Brent W. Steury. 2013. Phenology and floral visitors of Lithospermum virginianum L. (Boraginaceae) in Great Falls Park and Chub Sandhill Natural Area Preserve, Virginia. Marilandica 4(2):6-9. Available at: https://mdflora.org/Resources/Publications/Marilandica/marilandica_v4n2.pdf.
  • Bentley, Stanley L. 2000. Native Orchids of the Southern Appalachian Mountains. University of North Carolina Press, Chapel Hill, NC. 256 pp.
  • Biechele, Lance T. Collections of Delmarva records, including fungi, lichens, algae, and dodders. Unpublished lists of verified data.
  • Braun, E. Lucy. 1950. Deciduous Forests of Eastern North America. The Free Press, New York, NY. 596 pp. Available at: https://babel.hathitrust.org/cgi/pt?id=umn.31951d00303448b&view=1up&seq=5.
  • Brown, Lauren. 1979. Grasses: An Identification Guide. Houghton Mifflin, New York, NY. 240 pp.
  • Brown, Melvin L., and Russell G. Brown. 1984. Herbaceous Plants of Maryland. Port City Press, Baltimore, MD. 1227 pp.
  • Brown, Russell G., and Melvin L. Brown. 1972. Woody Plants of Maryland. Port City Press, Baltimore, MD. 347 pp.
  • Carter, Katherine K., and Albert G. Snow, Jr. 1990. Virginia Pine, Silvics of North America, Volume 1: Conifers. Timber Management Research, Forest Service, U.S. Department of Agriculture, Washington, D.C. Agriculture Handbook 654:1052-1065. Available at: https://www.srs.fs.usda.gov/pubs/misc/ag_654/volume_1/silvics_vol1.pdf.
  • Chapman, William. 1997. Orchids of the Northeast: A Field Guide. Syracuse University Press, Syracuse, NY. 200 pp.
  • Chippindall, Lucy K.A. 1955. The Grasses and Pastures of South Africa, Part 1: A Guide to the Identification of Grasses in South Africa. Central News Agency, Johannesburg, South Africa. 771 pp.
  • Choukas-Bradley, Melanie. 2012. Oak in focus: Red Oak. Marilandica 3(3):5-6. Available at: https://mdflora.org/Resources/Publications/YearoftheOak/yoo-quercus_rubra_red_oak.pdf.
  • Choukas-Bradley, Melanie. 2012. Oak in focus: White Oak. Marilandica 3(1):2. Available at: https://mdflora.org/Resources/Publications/YearoftheOak/yoo-quercus_alba_white_oak.pdf.
  • Choukas-Bradley, Melanie, and Tina T. Brown. 2008. An Illustrated Guide to Eastern Woodland Wildflowers and Trees: 350 Plants Observed at Sugarloaf Mountain, Maryland. University of Virginia Press, Charlottesville, VA. 480 pp.
  • Clemants, Steven, and Carol Gracie. 2006. Wildflowers in the Field and Forest: A Field Guide to the Northeastern United States. Oxford University Press, New York, NY. 480 pp.
  • Cobb, Boughton, Elizabeth Farnsworth, and Cheryl Lowe. 2005. A Field Guide to Ferns and their Related Families: Northeastern and Central North America. 2nd edition. Houghton Mifflin, New York, NY. 417 pp.
  • Core, Earl L., and William A. Lunk. 2005. Spring Wildflowers of West Virginia. West Virginia University Press, Morgantown, WV. 112 pp.
  • Ebert, Janet, and Jack Holt. Vascular Plant Survey of Adkins Arboretum Caroline County, Maryland 1998, 1999. Chadds Ford, PA. 72 pp.
  • Eubel, Edward C. (Editor). 2000. Maryland Bryophytes Collected by Elmer G. Worthley. Maryland Native Plant Society. Available at: https://mdflora.org/Resources/Publications/ForSale/Bryophytes2000.pdf.
  • Evans, Arthur V. 2008. National Wildlife Federation Field Guide to Insects and Spiders of North America. Sterling Publishing, NY and London, UK. 497 pp.
  • Farr, Patricia M., and R. Wayne Tyndall. 1992. Expansion of an eastern hemlock forest in Maryland. Castanea 57(3):190-195.
  • Fernald, Merritt Lyndon. 1950. Gray's Manual of Botany: A Handbook of the Flowering Plants and Ferns of the Central and Northeastern United States and Adjacent Canada. American Book Company, New York, NY. 1,632 pp.
  • Fleming, Cristol, Marion B. Lobstein, and Barbara Tufty. 1995. Finding Wildflowers in the Washington, Baltimore Area. Johns Hopkins University Press, Baltimore, MD. 328 pp.
  • Frye, Christopher T., and Christopher Lea. 2001. Atlas and annotated checklist of Carex (Cyperaceae) of Maryland and the District of Columbia. The Maryland Naturalist 44:41-108.
  • Harlow, William M. 1957. Trees of the Eastern and Central United States and Canada. Dover Publications, Inc., New York, NY. 288 pp.
  • Harms, Bill. 2013. Patuxent Research Refuge Plant Inventory Project. Available at: http://www.botanybill.info/. Accessed 13 March 2021.
  • Harshberger, John W. 1970. The Vegetation of the New Jersey Pine Barrens: An Ecologic Investigation. Reprint of 1916 publication. Dover Publications, New York, NY. 329 pp.
  • Hemmerly, Thomas E. 2002. Appalachian Wildflowers: An Ecological Guide to the Flowering Plants from Quebec to Georgia. University of Georgia Press, Athens, GA. 344 pp.
  • Hill, Steven R. 1986. An annotated checklist of the vascular flora of Assateague Island (Maryland and Virginia). Castanea 51(4):265-305.
  • Horst, R. Kenneth (Editor). 2001. Westcott's Plant Disease Handbook. 6th edition. Kluwer Academic Publishers, Norwell, MA. 1032 pp. Available online from Google Books.
  • Horton, Tom. 2020. Of bivalves and beavers: Let's leave our landscapes to these experts. Bay Journal 29(10):30. Available at: https://www.bayjournal.com/columns/chesapeake_born/of-bivalves-beavers-let-s-leave-our-landscapes-to-these-experts/article_251c5878-49a9-11ea-b0d3-0b6fb0815a00.html.
  • Johnson, Kirsten. 2016. Conifer in focus: Eastern Redcedar. Marilandica 7(2):2. Available at: https://mdflora.org/resources/Documents/YearofConifer/cif-Juniperus.pdf.
  • Kartesz, John T. (Director). 2015. The Biota of North America Program's (BONAP's) North American Plant Atlas (NAPA). Available at: http://www.bonap.org/. Accessed 13 March 2021.
  • Kershner, Bruce, Daniel Mathews, Gil Nelson, and Richard Spellenberg. 2008. National Wildlife Federation Field Guide to Trees of North America. Sterling Publishing, NY and London, UK. 528 pp.
  • Kleyheeg, Erik, Jelle Treep, Monique de Jeger, Bart A. Nolet, and Merel B. Soons. 2017. Seed dispersal distributions resulting from landscape-dependent daily movement behaviour of a key vector species, Anas platyrhynchos. Journal of Ecology 105(5):1279-1289. Available at: https://besjournals.onlinelibrary.wiley.com/doi/full/10.1111/1365-2745.12738#.
  • Knapp, Wesley M., and Robert F. C. Naczi. 2021. Vascular Plants of Maryland, USA: A Comprehensive Account of the State's Botanical Diversity. The Smithsonian Institution. 151 pp. Available at: https://doi.org/10.5479/si.14605674.v1.
  • Knapp, Wesley M., Robert F. Naczi, Wayne D. Longbottom, Charles A. Davis, William A. McAvoy, Christopher T. Frye, Jason W. Harrison, and Peter Stango, III. 2011. Floristic discoveries in Delaware, Maryland, and Virginia. Phytoneuron 2011-64:1-26.
  • Knapp, Wesley M., and William A. McAvoy. 2012. Sphagnum cyclophyllum new to Delaware and Maryland. Evansia 29(4):101-103.
  • Kolb, Haven. 1991. Solidago (Asteraceae) in Maryland I: County distribution of species. Castanea 56(2):135-141.
  • Lobstein, Marion. 2020. A Parasitic Lifestyle: Beechdrops and Their Relatives. Blog of the Virginia Native Plant Society. Available at: https://vnps.org/a-parasitic-lifestyle-beechdrops-and-their-relatives/?fbclid=IwAR29050RoRzq0itJ_2l150NFvsnVDMAKo7sA2i23uNZmPmYtYq0Xhe9w-tQ.
  • Martin, Alexander C., Herbert S. Zim, and Arnold L. Nelson. 1951. American Wildlife & Plants: A Guide to Wildlife Food Habits. Dover Publications, New York, NY. 500 pp.
  • Maryland Department of Natural Resources. 2016. Forests of Maryland. Forest Service, U. S. Department of Agriculture. Available at: https://dnr.maryland.gov/forests/pages/mdfacts.aspx.
  • Maryland Department of Natural Resources. Aquatic Invasive Species: Water Chestnut Eradication Report 1999-2012. Available at: http://dnr.maryland.gov/waters/bay/Pages/Water-Chestnut-Eradification-Report.aspx. Accessed 13 March 2021.
  • Maryland Invasive Species Council (MISC). Invasive Species of Concern in Maryland: Aquatic Plants. Available at: http://www.mdinvasivesp.org/list_aquatic_plants.html. Accessed 13 March 2021.
  • Maryland Invasive Species Council (MISC). Invasive Species of Concern in Maryland: Terrestrial Plants. Available at: http://www.mdinvasivesp.org/list_terrestrial_plants.html. Accessed 13 March 2021.
  • Maryland Wildlife and Heritage Service Natural Heritage Program. 2010. Rare, Threatened, and Endangered Plants of Maryland. Updated 2021. Available at: https://dnr.maryland.gov/wildlife/Documents/rte_Plant_List.pdf. Accessed 13 March 2021.
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  • McAvoy, William A. 2000. Noteworthy native plant collections from the Delmarva Peninsula. Bartonia 60:23-36.
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  • McAvoy, William A. 2018. The Lycophytes, Monilophytes, and Gymnosperms of the Delmarva Peninsula, an annotated checklist. Available at: http://www.dnrec.delaware.gov/fw/NHESP/Documents/The%20Ferns%20and%20Pines%20of%20the%20Delmarva%20Peninsula.pdf.
  • McPherson, Stewart. 2006. Pitcher Plants of the Americas. The McDonald and Woodward Publishing Company, Blacksburg, VA. 328 pp.
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  • Morse, Larry. 1983. Three Maryland stations for the Northern White Cedar, Thuja occidentalis. Castanea 48:159-161. Available at: http://www.botsoc.org/Larry_Thuja_MD.pdf.
  • National Park Service. Magnolia Bogs. National Capital Region Inventory and Monitoring Network and Urban Ecology Research Learning Alliance. Link no longer exists.
  • Natural Resources Conservation Service (NCRS). 2007. Pest management, invasive plant control: Black Swallow-wort. Minnesota Department of Natural Resources. MN-797:4 pp.
  • The Nature Conservancy. 2018. Restoring Appalachian Forests: Keeping Western Maryland's forests healthy and connected. Updated 2021. Available at: https://www.nature.org/en-us/about-us/where-we-work/united-states/maryland-dc/stories-in-maryland-dc/mddc-how-we-work-healthy-forests/.
  • Newcomb, Lawrence, and Gordon Morrison. 1977. Newcomb’s Wildflower Guide. Little, Brown and Company, New York, NY. 490 pp.
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  • Peterson, Roger Tory, and Margaret McKenny. 1998. A Field Guide to Wildflowers of Northeastern and North-central North America. Peterson Field Guide Series. Houghton Mifflin Company, Boston and New York. 448 pp.
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  • Reed, Clyde F. 1954. A flora of the chrome and manganese ore piles at Canton, in the Port of Baltimore, Maryland and at Newport News, Virginia, with descriptions of genera and species new to the flora of eastern United States. Phytologia 10(5):321-406.
  • Reed, Clyde F. 1961. Amanthaceae new to eastern United States. Castanea 26(3):123-127.
  • Reed, Clyde F. 1964. A flora of the chrome and manganese ore piles at Canton, in the Port of Baltimore, Maryland and at Newport News, Virginia, with descriptions of genera and species new to the flora of eastern United States. Phytologia 10:324–406.
  • Reed, John C., Jr., Robert S. Sigafoos, and George W. Fisher. 1980. The River and the Rocks: The Geologic Story of Great Falls and the Potomac River Gorge. U.S. Geological Survey Bulletin 1471. United States Government Printing Office, Washington, D.C. Available at: https://pubs.usgs.gov/bul/1471/report.pdf.
  • Robinson, Gaden S., Phillip R. Ackery, Ian J. Kitching, George W. Beccaloni, and Luis M. Hernández. 2010. HOSTS: A Database of the World's Lepidopteran Hostplants. Natural History Museum, London, UK. Available at: http://www.nhm.ac.uk/hosts. Accessed 13 March 2021.
  • Shetler, Stanwyn G., Sylvia S. Orli, Elizabeth F. Wells, and Marcie Beyersdorfer. 2006. Checklist of the vascular plants of Plummers Island, Montgomery County, Maryland. Bulletin of the Biological Society of Washington 14:1-57.
  • Shoemaker, Lois M. 1965. Shrubs and vines of New Jersey. New Jersey State Museum, Trenton, NJ. Bulletin No. 10.
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  • Simmons, Rod. 2013. Heath Diversity in Maryland: Distribution and Representation Natural Community Types. Presentation to Maryland Native Plant Society. Available at: https://mdflora.org/Resources/Documents/YearofHeath/Heath%20Diversity%20in%20Maryland.pdf.
  • Simmons, Rod. 2016. Vanishing Pine Barrens Communities of the Washington, D. C. Vicinity. Presented at the Maryland Native Plant Society 2016 Annual Conference, 17 Sept 2016, University of Maryland, College Park, MD. Available at: https://www.alexandriava.gov/uploadedFiles/recreation/parks/Vanishing%20Pine%20Barrens%20of%20the%20Washington,%20D.C.%20Vicinity.pdf.
  • Simmons, Rod. 2017. The Limits of Restoration: Getting to Know the True Nature of Your Stream Valley and Hopefully Keeping It Intact! Presented at the 2017 MAIPC/SERMA Conference, 1 Aug 2017, Juniata College, Huntingdon, PA. Available at: https://www.alexandriava.gov/uploadedFiles/recreation/parks/The%20Limits%20of%20Restoration%20-%202017%20MAIPC-SERMA%20Conference.pdf.
  • Simmons, Rod, and Mark Strong. 2002. Fall Line Magnolia Bogs of the Mid-Atlantic Region. Audubon Naturalist News 11(1):19-20. Available at: https://mdflora.org/Resources/Publications/Marilandica/marilandica_win_spr_03.pdf.
  • Simmons, Rod, R.J. Soreng, E.M. Barrows, and L.H. Emmons. 2020. Rare Flora and Natural Communities of Plummers Island, Montgomery County, Maryland. Unpublished technical report.
  • Sipple, William S. 1999. Days Afield: Exploring Wetlands in the Chesapeake Bay Region. Gateway Press, Middletown, NJ. 560 pp.
  • Smithsonian National Museum of Natural History, Department of Botany. Collection records.
  • Solem, Joanne, and Robert Solem. 2016. Solem Howard County Database Contributors. Available at: https://www.marylandbiodiversity.com/docs/Contributors_to_Solem_databases.pdf.
  • Spjut, Richard W., and Robert F. Whitcomb. 2004. Checklist and Key to Species of Carex on the Beltsville Agricultural Research Center, Maryland. Available at: http://www.worldbotanical.com/CAREX2.HTM. Accessed 13 March 2021.
  • Stein, John, Denise Binion, and Robert Acciavatti. 2003. Field Guide to Native Oak Species of Eastern North America. U.S. Department of Agriculture, Forest Service, Forest Health Technology Enterprise Team. Available at: https://www.fs.fed.us/foresthealth/technology/pdfs/fieldguide.pdf.
  • Steury, Brent W., R. Wayne Tyndall, and Gene Cooley. 1996. Noteworthy collections: Maryland. Castanea 61(4):392-396.
  • Steury, Brent W. 1997. Survey for endangered, threatened and rare vascular plants in cove Point Marsh, Calvert County, Maryland. The Maryland Naturalist 41(3-4):89-96.
  • Steury, Brent W. 1998. Floristics survey of Battle Creek Cypress Swamp Sanctuary, Calvert County, Maryland. The Maryland Naturalist 42(1-2):24-28.
  • Steury, Brent W. 1999. Annotated list of vascular plants from a nontidal barrier wetland along the Chesapeake Bay in Calvert County, Maryland. Castanea 64(2):187-200.
  • Steury, Brent W. 1999. Noteworthy collections: Maryland. Castanea 64(3):271-272.
  • Steury, Brent W. 2000. Noteworthy collections: Maryland. Castanea 65(2):168-170.
  • Steury, Brent W. 2000. Noteworthy collections: Maryland. Castanea 65(3):228-229.
  • Steury, Brent W. 2002. Rare, threatened and endangered vascular plants of the Aberdeen Proving Grounds, Harford and Baltimore Counties, Maryland. The Maryland Naturalist 45(1):1-12.
  • Steury, Brent W. 2002. The vascular flora of Cove Point, Calvert County, Maryland. The Maryland Naturalist 45(2):1-28.
  • Steury, Brent W., and Charles A. Davis. 2003. The vascular flora of Piscataway and Fort Washington National Parks, Prince George's and Charles Counties, Maryland. Castanea 68(4):271-299. Available at: https://www.jstor.org/stable/4034244.
  • Steury, Brent W. 2004. Noteworthy collections: Maryland. Castanea 69(2):156-157.
  • Sturm, Mark. 2007. Assessment of the effects of feral horses, Sika Deer and White-Tailed Deer on Assateague Island's Forest and Shrub Habitats, Final Report, May 2007. National Park Service, Assateague Island National Seashore. Link no longer exists.
  • Sturm, Mark. 2008. Assessing the effects of ungulates on natural resources at Assateague Island National Seashore. Park Science 25(1):44-49.
  • Swearingen, Jil, Britt Slattery, Kathryn Reshetiloff, and Susan Zwicker. 2010. Plant Invaders of Mid-Atlantic Natural Areas. 4th edition. National Park Service and U.S. Fish and Wildlife Service. Washington, DC. 168 pp. Available at: https://www.invasive.org/alien/pubs/midatlantic/midatlantic.pdf.
  • Terrell, Edward E. 2000. Annotated list of the flora of the Beltsville Agricultural Research Center, Beltsville, Maryland. Agricultural Research Service 155:89 pp.
  • Terrell, Edward E., and Paul M. Peterson. 2009. Annotated list of Maryland grasses (Poaceae). Journal of the Botanical Research Institute of Texas 3(2):905-919.
  • Townsend, John F. 2013. Recognition of Boltonia asteroides var. glastifolia and reestablishment of a more restrictive taxonomic concept for Boltonia asteroides var. asteroides. Phytoneuron 2013(9):1–8.
  • Tyndall, R. Wayne, and Patricia M. Farr. 1989. Vegetation and flora of a Serpentine Pine-Cedar Savanna in Maryland. Castanea 54(3):191-199.
  • Tyndall, R. Wayne, Katharine A. McCarthy, J. Christopher Ludwig, and Abigail Rome. 1990. Vegetation of six Carolina bays in Maryland. Castanea 55(1):1-21.
  • Tyndall, R. Wayne, and Patricia M. Farr. 1990. Vegetation and flora of the Pilot Serpentine Area in Maryland. Castanea 55(4):259-265.
  • Tyndall, R. Wayne. 1992. Herbaceous layer vegetation on Maryland Serpentine. Castanea 57(4):264-272.
  • Urbatsch, Lowell E., John F. Pruski, and Kurt M. Neubig. 2013. Youngia thunbergiana (Crepidinae, Cichorieae, Asteraceae), a species overlooked in the North American flora. Castanea 78(4):330-337.
  • U.S. Department of Agriculture. 2020. Plant profile. Onosmodium virginianum L. A. DC. Wild Job's Tears. Available at: https://plants.usda.gov/core/profile?symbol=ONVI2.
  • U.S. Department of Agriculture, Natural Resources Conservation Service. 2017. The PLANTS Database. National Plant Data Team, Greensboro, NC. Available at: http://plants.usda.gov. Accessed 13 March 2021.
  • U.S. Department of Agriculture, Natural Resources Conservation Service, Northeast Plant Materials Program. Plant Fact Sheet: Japanese Black Pine. Available at: https://plants.usda.gov/factsheet/pdf/fs_pith3.pdf.
  • U.S. Department of the Interior, National Park Service, National Capital Region Network. 2012. Native Grapes. Available at: https://mdflora.org/Resources/Documents/YearofVines/Native-Grapes-NCRN-Resource-Brief.pdf.
  • U.S. Fish and Wildlife Service. 2019. Seabeach Amaranth Amaranthus pumilus. Available at https://www.fws.gov/southeast/wildlife/plants/seabeach-amaranth/.
  • Venning, Frank D., and Manabu C. Saito. 1984. Wildflowers of North America: A Guide to Field Identification. Saint Martin’s Press, New York, NY. 340 pp.
  • Voss, Edward G. and Anton A. Reznicek. 2012. Field Manual of Michigan Flora. The University of Michigan Press, Ann Arbor, Michigan. 990 pages.
  • Weakley, Alan S. 2020. Flora of the Southeastern United States: Maryland and the District of Columbia. Edition of 20 October 2020. University of North Carolina at Chapel Hill Herbarium (NCU), Chapel Hill, NC. Available at: https://herbarium.bio.unc.edu/FSUS_2020/FSUS_Maryland_and_the_District_of_Columbia.pdf.
  • Weakley, A. S., J. C. Ludwig, and J. F. Townsend. 2012. Flora of Virginia. Bland Crowder, ed. Foundation of the Flora of Virginia Project Inc., Richmond. Fort Worth: Botanical Research Institute of Texas Press.
  • Weber, Barbara C., Robert L. Anderson, and William H. Hoffard. How to Diagnose Black Walnut Damage. North Central Forest Experiment Station Forest Service, U. S. Department of Agriculture. U. S. Department of Agriculture Forest Service General Technical Report NC-57. Available at: https://www.na.fs.fed.us/spfo/pubs/howtos/ht_walnut/cover.htm.
  • Werier, David W. 2006. Carex reznicekii, a new widespread species of Carex section Acrocystis (Cyperaceae) from Eastern North America. SIDA, Contributions to Botany 22(2):1049-1070.
  • Yanosky, Thomas M. 1982. Effects of Flooding Upon Woody Vegetation Along Parts of the Potomac River Flood Plain. Geological Survey Professional Paper 1206. United States Government Printing Office, Washington, D.C. 28 pp. Available at: https://pubs.usgs.gov/pp/1206/report.pdf.

Proturans
  • Allen, Robert T. 2007. Studies on the North American Protura I: catalogue and atlas of the Protura of North America; description of new species; key to the species of Eosentomon. Proceedings of the Academy of Natural Sciences of Philadelphia 156:97-116.
  • Bernard, Ernest C., and Lance T. Biechele. 2008. Nipponentomon pembertonense, n. sp. (Protura: Acerentomidae) from Maryland. Proceedings of the Biological Society of Washington 121(4):438-444.
  • Bonet, Federico, and Søren L. Tuxen. 1960. Reexamination of species of Protura described by H. E. Ewing. Proceedings of the United States National Museum 112:265-305.
  • Ewing, Henry E. 1921. New genera and species of Protura. Proceedings of the Entomological Society of Washington 23:193-202.
  • Ewing, Henry E. 1940. The Protura of North America. Annals of the Entomological Society of America 33(3):495-551.
  • Tuxen, Søren L. 1964. The Protura: A Revision of the Species of the World with Keys for Determination. Hermann, Paris. 360 pp.
  • Walker, Gary L., and Richard W. Rust. 1975. Seasonal distribution of Protura in three Delaware forests. Entomological News 86(9-10):187-198.

Pseudoscorpions
  • Norden, Arnold W. 2008. Pseudoscorpions from Plummers Island, Maryland, with the reported use of empty snail shells by Arthropods. Bulletin of the Biological Society of Washington 15(1):52-53.

Reptiles and Amphibians
  • Alexander, Pyron, R., and Frank T. Burbrink. 2009. Lineage diversification in a widespread species: roles for niche divergence and conservatism in the common kingsnake, Lampropeltis getula. Molecular Ecology 18(16):3443-3457.
  • Conant, Roger, and Joseph T. Collins. 1998. A Field Guide to Reptiles and Amphibians: Eastern and Central North America. Houghton Mifflin Harcourt. 640 pp.
  • Ernst, Carl H., and Evelyn M. Ernst. 2003. Snakes of the United States and Canada. Smithsonian Books, Washington, DC. 680 pp.
  • Hardy, Jerry D. 1969. Records of the leatherback turtle, Dermochelys coriacea coriacea (Linnaeus), from the Chesapeake Bay. Bulletin of the Maryland Herpetological Society 5(3):92-96.
  • Harris, Herbert S., Jr. 1975. Distributional survey (Amphibia/Reptilia): Maryland and the District of Columbia. Maryland Herpetological Society, Department of Herpetology, Natural History Society of Maryland. Bulletin of the Maryland Herpetological Society 11(3):73-167.
  • Maryland Herpetological Society. 1965. Natural History Society of Maryland. Baltimore, MD. Bulletin of the Maryland Herpetological Society. Available at: https://www.biodiversitylibrary.org/bibliography/140312#/summary.
  • Molines, Karyn. 2008. Development of an Identification Process Using Digital Photographs: Marbled Salamander Migration Study. Jug Bay Wetlands Sanctuary. 18 pp. Available at: http://dnr2.maryland.gov/waters/cbnerr/Documents/publications/Molines_SalamanderReport_JugBay_2008.pdf.
  • Ratcliffe, Matt. Visual Guide to Tadpoles of the Eastern United States. Ashton Biological Research and Preservation Institute, Inc. (ABPRI). Available at: https://ashtonproceedings of national forum.com/home/education/visual-guide-to-southeastern-tadpoles/.
  • Rossman, Douglas A., Neil B. Ford, and Richard A. Seigel. 1996. The Garter Snakes: Evolution and Ecology. University of Oklahoma Press, Norman, OK. 336 pp.
  • Schlesinger, Matthew D., Jeremy A. Feinberg, Nathan H. Nazdrowicz, et al. 2018. Follow-up ecological studies for cryptic species discoveries: Decrypting the leopard frogs of the eastern U.S. PLOS One 13(11): e0205805. Available at: https://doi.org/10.1371/journal.pone.0205805.
  • Tennant, Alan. 2003. Snakes of North America: Eastern and Central Regions. Taylor Trade Publishing. 614 pp.
  • Tkaczyk, Filip. 2015. Tracks and Sign of Reptiles & Amphibians: A Guide to North American Species. Stackpole Books, Mechanicsburg, PA. 480 pp.
  • Virginia Herpetological Society. 1956-2017. Available at: http://www.virginiaherpetologicalsociety.com/. Accessed 13 March 2021.
  • White, James F., Jr., and Amy W. White. 2007. Amphibians and Reptiles of Delmarva. Tidewater Publishers, Centreville, MD. 243 pp.
  • Wildlife and Heritage Service. Discover Maryland’s Herps. Maryland Department of Natural Resources. Available at: https://dnr.maryland.gov/wildlife/pages/plants_wildlife/herps/index.aspx. Accessed 13 March 2021.

Robber Flies
  • Artigas, Jorge N. 1966. The genus Diogmites (Robber Flies) in eastern United States (Diptera: Asilidae). The Ohio Journal of Science 66(4):401-421.
  • Baker, Norman T., and Ronald L. Fischer. 1975. A taxonomic and ecologic study of the Asilidae of Michigan. The Great Lakes Entomologist 8(2):31-91.
  • Barnes, Jeffrey K. 2008. Review of the genus Ceraturgus Wiedemann (Diptera: Asilidae) in North America north of Mexico. Zootaxa 1766:1-45.
  • Bedell, Paul. 2010. A preliminary list of the robber flies (Diptera: Asilidae) of Virginia. Banisteria 36:3-19.
  • Bromley, Stanley W. 1928. Notes on the genus Proctacanthus with the descriptions of two new species (Diptera; Asilidæ). Psyche 35(1):12-15.
  • Bromley, Stanley W. 1934. The Laphriine Robber Flies of North America. Unpublished Ph.D. dissertation. The Ohio State University. 361 pp.
  • Bullington, Stephen W. 1986. Two new genera related to Laphria Meigen (Diptera: Asilidae), with revisions of the included species in North America north of Mexico. Unpublished Ph.D. dissertation. University of Wyoming, Laramie, Wyoming. 275 pp.
  • Bullington, Stephen W., and Robert J. Lavigne. 1984. Review of the genus Ommatius Wiedemann (Diptera: Asilidae) in eastern United States with descriptions of five new species. Annals of the Entomological Society of America 77(4):372-392.
  • Hine, James S. 1911. Robberflies of the genera Promachus and Proctacanthus. Annals of the Entomological Society of America 4(2):153-172.
  • Geller-Grimm, Fritz. Robber Flies (Asilidae). Available at: http://www.geller-grimm.de/asilidae.htm. Accessed 13 March 2021.
  • Lavers, Norm. 2007. The Robber Flies of Crowley’s Ridge, Arkansas: An Illustrated Field Guide. Link no longer exists.
  • Raney, Herschel. 2004. Robber Flies. Available at: http://www.hr-rna.com/RNA/Robber%20main%20page.htm. Accessed 13 March 2021.
  • Raney, Herschel. Robber Flies of Maryland. Available at: http://www.hr-rna.com/RNA/Rfly%20pages/Robber%20list%20Maryland.htm. Accessed 13 March 2021.
  • Wilcox, Joseph. 1960. Laphystia Loew in North America (Diptera: Asilidae). Annals of the Entomological Society of America 53(3):328-346.

Rotifers
  • Örstan, Aydin. 2018. Taxonomic morphology of the genus Adineta (Rotifera: Bdelloidea: Adinetidae) with a new species from a suburban garden. ZooKeys 4524(2):187-199.
  • Puterbaugh, Mary N., John J. Skinner, and Jennifer M. Miller. 2004. A nonrandom pattern of rotifers occupying lobules of the Hepatic, Frullania eboracensis. The Bryologist 107(4):524-530.

Scale Insects
  • Ben-Dov, Yair, Douglass R. Miller, and, Gary A. P. Gibson. 2001. ScaleNet, Scales in a Subunit Query Results. Obsolete version.
  • Davidson, John A. 2021. List of Bugwood Scale Insect Images. University of Maryland, College Park, MD.
  • Garcia Morales, Mayrolin, Barbara D. Denno, Douglass R. Miller, Gary L. Miller, Yair Ben-Dov, and Nate B. Hardy. 2016. ScaleNet: A literature-based model of scale insect biology and systematics. Database 2016:1-5.
  • Garcia, Mayrolin M, and Nate B. Hardy. ScaleNet. Available at: http://scalenet.info/. Accessed 13 March 2021.

Sawflies
  • Smith, David R. 1969. Nearctic Sawflies I. Blennocampinae: Adults and larvae (Hymenoptera: Tenthredinidae). U.S. Department of Agriculture, Agricultural Research Service. Technical Bulletin 1397:203 pp.
  • Smith, David R. 2008. Hymenoptera (Insecta) of Plummers Island, Maryland: Symphyta and selected families of Apocrita. Bulletin of the Biological Society of Washington 15:160-167.
  • Solomon, James D. 1995. Guide to insect borers in North American broadleaf trees and shrubs. U.S. Department of Agriculture. Forest Service Agriculture Handbook AH-706:735 pp.

Sea Urchins
  • Serafy, D. Keith, and F. Julian Fell. 1985. Marine Flora and Fauna of the Northeastern United States. Echinodermata: Echinoidea. NOAA Technical Report NMFS 33:27 pp.

Spiders
  • Bradley, Richard A. (Author), and Steve Buchanan (Illustrator). 2012. Common Spiders of North America. University of California Press. 288 pp.
  • Breene, Robert G. (Chairman). 2003. Common Names of Arachnids 2003. 5th edition. The American Arachnological Society Committee on Common Names of Arachnids. Available at: http://www.americanarachnology.org/assets/pdfs/arachnid_common_names2003.pdf.
  • Gaddy, L. L. "Chick". 2009. Spiders of the Carolinas. Kollath-Stennsaas Publishing, Duluth, MN. 216 pp.
  • Levi, Herbert W. 1957. The spider genera Enoplognatha, Theridion, and Paidisca in America north of Mexico. Bulletin of the American Museum of Natural History 112(1):124 pp.
  • Levi, Herbert W. 1963. American Spiders of the genera Audifia, Euryopis and Dipoena (Araneae: Theridiidae). Harvard College. Bulletin of the Museum of Comparative Zoology 129(2):121-183.
  • Norden, Arnold W. 2017. Trapdoor Spiders, Ummidia audouini (Lucas) (Araneae:Ctenizidae), in Maryland. The Maryland Entomologist 7(1):91-96.
  • Petrunkevitch, Alexander Ivanovitch. 1911. Synonymic index-catalogue of spiders of North, Central and South America with all adjacent islands, Greenland, Bermuda, West Indies, Terra del Fuego, Galapagos, etc. Bulletin of the American Museum of Natural History 29:791 pp.
  • Prentice, Thomas R. 2001. Distinguishing the females of Trochosa terricola and Trochosa ruricola (Araneae, Lycosidae) from populations in Illinois, USA. Journal of Arachnology 29(3):427-430.
  • Richman, David B., Bruce Cutler, and David E. Hill. 2012. Salticidae of North America, including Mexico. Peckhamia 95(3):1-88.
  • Williams, Gaye L., and Robert B. Trumbule. 2021. Two Maryland records for the Brown Widow Spider, Latrodectus geometricus Koch (Araneae: Theridiidae). Proceedings of the Entomological Society of Washington 123(2):448-449. Available at: https://doi.org/10.4289/0013-8797.123.2.448.
  • World Spider Catalog Association (WSCA). 2017. World Spider Catalog. Natural History Museum Bern. Available at: http://www.wsc.nmbe.ch/. Accessed 13 March 2021.

Springtails
  • Bellinger, Peter F., Kenneth A. Christiansen, and Frans Janssens. 1996-2018. Checklist of the Collembola of the World. Available at: http://www.collembola.org. Accessed 13 March 2021.
  • Maynard, Elliot A. 1951. A Monograph of the Collembola or Springtail Insects of New York State. Comstock Publishing Company, Ithaca, New York. 351 pp.

Stoneflies
  • Northern Prairie Wildlife Research Center. Stoneflies of Maryland. U.S. Geological Survey. Link no longer exists.

Tanaids

Tardigrades
  • Curtin, C. B. 1957. Studies on the tardigrades. II. Some tardigrades from Maryland. P. Acad. Sci. Publ. 31:142-146.

Tiger Beetles
  • Guarnieri, Frank G. 2009. Observations of Cicindela unipunctata Fabricius, 1775 (One-spotted Tiger Beetle) at Pocomoke River State Park, Worcester County, Maryland. The Maryland Entomologist 5(1):2-4.
  • Knisley, C. Barry, and Tom D. Schultz. 1997. The Biology of Tiger Beetles and a Guide to the Species of the South Atlantic States. Virginia Museum of Natural History, Martinsville, VA. 201 pp.
  • Mawdsley, Jonathan R. Maryland Tiger Beetle List. Unpublished list of verified data.
  • Pearson, David L., C. Barry Knisley, Daniel P. Duran, and Charles J. Kazilek. 2015. A Field Guide to the Tiger Beetles of the United States and Canada: Identification, Natural History, and Distribution of the Cicindelinae. Oxford University Press, New York, NY. 328 pp.
  • Weintraub, Karen. 2018. Puritan Tiger Beetles, 'Vicious Predators', May Soon Hunt Again. The New York Times. Available at: https://www.nytimes.com/2018/12/04/science/puritan-tiger-beetles-vicious-predators-may-soon-hunt-again.html.

True Bugs (Hemiptera)
  • Henry, Thomas J., and Richard C. Froeschner (Editors). 1988. Catalog of the Heteroptera, or True Bugs, of Canada and the Continental United States. E. J. Brill, Leiden, Holland. 958 pp.
  • Kittelberger, Kyle. Hoppers of North Carolina: Spittlebugs, Leafhoppers, Treehoppers, and Planthoppers. Available at: http://dpr.ncparks.gov/bugs. Accessed 13 March 2021.
  • Mallory, Chris. Psyllids of North America. Link no longer exists.
  • Nair, A. G. Wheeler. 1976. Life history of Kleidocerys resedae on European White Birch and Ericaceous shrubs. Annals of the Entomological Society of America 69(3):459-463.
  • New York State Integrated Pest Management. Spotted Lanterfly. Cornell College of Agriculture and Life Sciences (CALS). Available at: https://nysipm.cornell.edu/environment/invasive-species-exotic-pests/spotted-lanternfly/.

Wasps and Hornets
  • Buck, Matthias, Tyler P. Cobb, Julie K. Stahlhut, and Robert H. Hanner. 2012. Unravelling cryptic species diversity in eastern Nearctic paper wasps, Polistes (Fuscopolistes), using male genitalia, morphometrics and DNA barcoding, with descriptions of two new species (Hymenoptera: Vespidae). Zootaxa 3502:1-48.
  • Carpenter, James, and Jun-ichi Kojima. 1997. Checklist of the species in the subfamily Vespinae (Insecta: Hymenoptera: Vespidae). Natural History Bulletin Ibaraki University 1:51-92.
  • Gates, Michael W., and Paul E. Hanson. 2009. A Revision of Bephrata and Isosomodes (Hymenoptera: Eurytomidae). Journal of Hymenoptera Research 18(1):25-73. Available at: https://www.researchgate.net/publication/43287349_A_Revision_of_Bephrata_and_Isosomodes_Hymenoptera_Eurytomidae.
  • Giovannini, Lucrezia, Giuseppino Sabbatini-Peverieri, Patricia Glynn Tillman, Kim Alan Hoelmer, and Pio Federico Roversi. 2021. Reproductive and Developmental Biology of Acroclisoides sinicus, a Hyperparasitoid of Scelionid Parasitoids. Biology 10(3):18 pp. Available at: https://www.mdpi.com/2079-7737/10/3/229/htm.
  • Grissell, Eric E., and Gary F. Hevel. 2005. First report of Theocolax ingens Xiao and Huang (Hymenoptera: Pteromalidae) in the western hemisphere with a synopsis of the genus. Proceedings of the Entomological Society of Washington 107(2):254-258.
  • Herlihy, Megan V., Elijah J. Talamas, and Donald C. Weber. 2016. Attack and Success of Native and Exotic Parasitoids on Eggs of Halyomorpha halys in Three Maryland Habitats. PLOS One. Available at: http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0150275.
  • Krombein, Karl V. 1963. Natural history of Plummers Island, Maryland, XVII. Annotated list of the wasps (Hymenoptera: Bethyloidea, Scolioidea, Vespoidea, Pompiloidea, Sphecoidea). Proceedings of the Biological Society of Washington 76:255-80. Available at: https://www.biodiversitylibrary.org/partpdf/45753.
  • Neal, Anita S. 2016. Samurai Wasp: Trissolcus japonicus (Ashmead) (Insecta: Hymenoptera: Scelionidae: Telenominae). University of Florida, Featured Creatures. Available at: http://entnemdept.ufl.edu/creatures/beneficial/wasps/Trissolcus_japonicus.htm. Accessed 13 March 2021.
  • Orr, Richard. 2009. Wasp trap results for Mt. Pleasant. Unpublished list verified provided by Sam Droege on 7 August 2017.
  • Scarpulla, Eugene, J. 2017. Cuckoo Wasps (Hymenoptera: Chrysididae) of Hart-Miller Island, Chesapeake Bay, Baltimore County, Maryland. The Maryland Entomologist 7(1):81-90.
  • Servick, Kelly. 2018. Scientists Spent Years on a Plan to Import this Wasp to Kill Stinkbugs: Then it Showed Up on its Own. ScienceMag.org. Available at: http://www.sciencemag.org/news/2018/08/scientists-spent-years-plan-import-wasp-kill-stinkbugs-then-it-showed-its-own.
  • Staines, Charles L., and I. B. Smith, Jr. 1995. Polistes dominulus (Christ) (Hymenoptera: Vespidae) new to Maryland. Proceedings of the Entomological Society of Washington 97(4):891.
  • Talamus, Elijah J., Megan V. Herlihy, Christine Dieckhoff, Kim A. Hoelmer, Matthew Buffington, Marie-Claude Bon, and Donald C. Weber. 2015. Trissolcus japonicus (Ashmead) (Hymenoptera, Scelionidae) emerges in North America. Journal of Hymenoptera Research 43:119-128.
  • Yu, Dicky S., Kees van Achterberg, and Klaus Horstmann. 2005. World Ichneumonoidea 2004: Taxonomy, Biology, Morphology and Distribution. DVD/CD. Taxapad, Vancouver, BC.

Worms
  • Reynolds, John Warren. 1974. The Earthworms of Maryland (Oligochaeta: Acanthodrilidae, Lumbricidae, Megasolecidae and Sparganophilidae). Megadrilogica 1(11):1-12.