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Adventive
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Coastal Plain only
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Endangered (Federal)
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Exotic
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Extinct
\n
Extirpated
\n
Extralimital
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G1 (Highly globally rare)
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G1G2 (Highly globally rare)
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G2 (Globally rare)
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G2G3 (Globally rare)
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G3 (Globally rare/local)
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G3G4 (Globally vulnerable)
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G4
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G4G5
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G5
\n
Garrett only
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GH (No known extant occurrences)
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GU (Global status uncertain)
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In need of conservation
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S1 (Highly state rare)
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S1B (Highly state rare breeder)
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S1M (State rare migrant)
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S1N (State rare non-breeder)
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S1S2 (Highly state rare)
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S1S2B (State rare breeder)
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S2 (State rare)
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S2B (State rare breeder)
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S2B (State rare breeder)
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S2S3 (State rare)
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S2S3B (State rare breeder)
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S3 (Watch list)
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S3B (State watchlist breeder)
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S3S4
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S4SE
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SH (Historical)
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SHB (State historical breeder)
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SR (State rare)
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SUB (Status uncertain breeder)
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SXB (State extirpated breeder)
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Western MD only
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Photos
Common Name
Genus
Species
Records  
Category
Family
Order
Class
Kingdom
1
Pickerel Frog
Lithobates
palustris
849
Amphibians
Ranidae
Anura
Amphibia
Animalia
2
Green Frog
Lithobates
clamitans
2379
Amphibians
Ranidae
Anura
Amphibia
Animalia
3
American Bullfrog
Lithobates
catesbeianus
1695
Amphibians
Ranidae
Anura
Amphibia
Animalia
1
Spined Micrathena
Micrathena
gracilis
193
Spiders
Araneidae
Araneae
Arachnida
Animalia
2
Arrowhead Spider
Verrucosa
arenata
239
Spiders
Araneidae
Araneae
Arachnida
Animalia
1
Hooded Merganser
Lophodytes
cucullatus
1411
Birds
Anatidae
Anseriformes
Aves
Animalia
2
Ruddy Duck
Oxyura
jamaicensis
764
Birds
Anatidae
Anseriformes
Aves
Animalia
3
Horned Grebe
Podiceps
auritus
510
Birds
Podicipedidae
Podicipediformes
Aves
Animalia
4
Mourning Dove
Zenaida
macroura
2114
Birds
Columbidae
Columbiformes
Aves
Animalia
5
Virginia Rail
Rallus
limicola
212
Birds
Rallidae
Gruiformes
Aves
Animalia
6
Solitary Sandpiper
Tringa
solitaria
559
Birds
Scolopacidae
Charadriiformes
Aves
Animalia
7
Ring-billed Gull
Larus
delawarensis
1532
Birds
Laridae
Charadriiformes
Aves
Animalia
8
Common Loon
Gavia
immer
716
Birds
Gaviidae
Gaviiformes
Aves
Animalia
9
Double-crested Cormorant
Nannopterum
auritum
1544
Birds
Phalacrocoracidae
Suliformes
Aves
Animalia
10
Great Blue Heron
Ardea
herodias
3733
Birds
Ardeidae
Pelecaniformes
Aves
Animalia
11
Little Blue Heron
Egretta
caerulea
329
Birds
Ardeidae
Pelecaniformes
Aves
Animalia
12
Yellow-crowned Night-Heron
Nyctanassa
violacea
540
Birds
Ardeidae
Pelecaniformes
Aves
Animalia
13
Mississippi Kite
Ictinia
mississippiensis
115
Birds
Accipitridae
Accipitriformes
Aves
Animalia
14
Red-shouldered Hawk
Buteo
lineatus
1927
Birds
Accipitridae
Accipitriformes
Aves
Animalia
15
Tropical Kingbird
Tyrannus
melancholicus
38
Birds
Tyrannidae
Passeriformes
Aves
Animalia
16
Carolina Chickadee
Poecile
carolinensis
1579
Birds
Paridae
Passeriformes
Aves
Animalia
17
Red-breasted Nuthatch
Sitta
canadensis
585
Birds
Sittidae
Passeriformes
Aves
Animalia
18
House Wren
Troglodytes
aedon
586
Birds
Troglodytidae
Passeriformes
Aves
Animalia
19
Golden-crowned Kinglet
Regulus
satrapa
735
Birds
Regulidae
Passeriformes
Aves
Animalia
20
Ruby-crowned Kinglet
Corthylio
calendula
989
Birds
Regulidae
Passeriformes
Aves
Animalia
21
Eastern Bluebird
Sialia
sialis
2821
Birds
Turdidae
Passeriformes
Aves
Animalia
22
American Robin
Turdus
migratorius
3293
Birds
Turdidae
Passeriformes
Aves
Animalia
23
European Starling
Sturnus
vulgaris
1447
Birds
Sturnidae
Passeriformes
Aves
Animalia
24
Black-and-white Warbler
Mniotilta
varia
633
Birds
Parulidae
Passeriformes
Aves
Animalia
25
Orange-crowned Warbler
Leiothlypis
celata
210
Birds
Parulidae
Passeriformes
Aves
Animalia
26
Chestnut-sided Warbler
Setophaga
pensylvanica
435
Birds
Parulidae
Passeriformes
Aves
Animalia
27
Pine Warbler
Setophaga
pinus
561
Birds
Parulidae
Passeriformes
Aves
Animalia
28
Prairie Warbler
Setophaga
discolor
377
Birds
Parulidae
Passeriformes
Aves
Animalia
29
American Tree Sparrow
Spizelloides
arborea
246
Birds
Emberizidae
Passeriformes
Aves
Animalia
30
White-throated Sparrow
Zonotrichia
albicollis
2955
Birds
Emberizidae
Passeriformes
Aves
Animalia
31
Painted Bunting
Passerina
ciris
119
Birds
Cardinalidae
Passeriformes
Aves
Animalia
1
Oleander Aphid
Aphis
nerii
273
Aphids
Aphididae
Hemiptera
Insecta
Animalia
1
Common Eastern Bumble Bee
Bombus
impatiens
2162
Bees
Apidae
Hymenoptera
Insecta
Animalia
2
Honey Bee
Apis
mellifera
1233
Bees
Apidae
Hymenoptera
Insecta
Animalia
3
Pruinose Squash Bee
Peponapis
pruinosa
44
Bees
Apidae
Hymenoptera
Insecta
Animalia
1
Monarch
Danaus
plexippus
3258
Butterflies
Nymphalidae
Lepidoptera
Insecta
Animalia
2
Black Swallowtail
Papilio
polyxenes
712
Butterflies
Papilionidae
Lepidoptera
Insecta
Animalia
3
Sachem
Atalopedes
huron
2716
Butterflies
Hesperiidae
Lepidoptera
Insecta
Animalia
4
Clouded Sulphur
Colias
philodice
492
Butterflies
Pieridae
Lepidoptera
Insecta
Animalia
5
Cabbage White
Pieris
rapae
2687
Butterflies
Pieridae
Lepidoptera
Insecta
Animalia
6
Peck's Skipper
Polites
peckius
1120
Butterflies
Hesperiidae
Lepidoptera
Insecta
Animalia
7
Silver-spotted Skipper
Epargyreus
clarus
2298
Butterflies
Hesperiidae
Lepidoptera
Insecta
Animalia
1
Swamp Cicada
Neotibicen
tibicen
526
Cicadas
Cicadidae
Hemiptera
Insecta
Animalia
1
Handsome Trig
Phyllopalpus
pulchellus
270
Crickets
Gryllidae
Orthoptera
Insecta
Animalia
1
Fragile Forktail
Ischnura
posita
1798
Damselflies
Coenagrionidae
Odonata
Insecta
Animalia
1
Common Pondhawk
Erythemis
simplicicollis
2580
Dragonflies
Libellulidae
Odonata
Insecta
Animalia
2
Common Whitetail
Plathemis
lydia
3516
Dragonflies
Libellulidae
Odonata
Insecta
Animalia
1
Broad-headed Sharpshooter
Oncometopia
orbona
608
Leafhoppers
Cicadellidae
Hemiptera
Insecta
Animalia
2
Red-banded Leafhopper
Graphocephala
coccinea
104
Leafhoppers
Cicadellidae
Hemiptera
Insecta
Animalia
3
Saddleback Leafhopper
Colladonus
clitellarius
152
Leafhoppers
Cicadellidae
Hemiptera
Insecta
Animalia
1
Spotted Cucumber Beetle
Diabrotica
undecimpunctata
753
Leaf Beetles
Chrysomelidae
Coleoptera
Insecta
Animalia
2
Striped Cucumber Beetle
Acalymma
vittatum
86
Leaf Beetles
Chrysomelidae
Coleoptera
Insecta
Animalia
3
Dogbane Beetle
Chrysochus
auratus
757
Leaf Beetles
Chrysomelidae
Coleoptera
Insecta
Animalia
1
Red Milkweed Beetle
Tetraopes
tetrophthalmus
733
Long-horned Beetles
Cerambycidae
Coleoptera
Insecta
Animalia
2
No Common Name
Typocerus
lugubris
6
Long-horned Beetles
Cerambycidae
Coleoptera
Insecta
Animalia
1
Asian Tiger Mosquito
Aedes
albopictus
52
Mosquitoes
Culicidae
Diptera
Insecta
Animalia
1
Clymene Moth
Haploa
clymene
367
Moths
Erebidae
Lepidoptera
Insecta
Animalia
2
Black-banded Owlet Moth
Phalaenostola
larentioides
381
Moths
Erebidae
Lepidoptera
Insecta
Animalia
1
Japanese Beetle
Popillia
japonica
746
Scarab Beetles
Scarabaeidae
Coleoptera
Insecta
Animalia
2
Green June Beetle
Cotinis
nitida
243
Scarab Beetles
Scarabaeidae
Coleoptera
Insecta
Animalia
3
Patent Leather Beetle
Odontotaenius
disjunctus
1215
Scarab Beetles
Passalidae
Coleoptera
Insecta
Animalia
1
Large Milkweed Bug
Oncopeltus
fasciatus
1348
Seed Bugs
Lygaeidae
Hemiptera
Insecta
Animalia
2
False Milkweed Bug
Lygaeus
turcicus
206
Seed Bugs
Lygaeidae
Hemiptera
Insecta
Animalia
1
Green Stink Bug
Chinavia
hilaris
940
Stink Bugs
Pentatomidae
Hemiptera
Insecta
Animalia
2
Brown Marmorated Stink Bug
Halyomorpha
halys
1486
Stink Bugs
Pentatomidae
Hemiptera
Insecta
Animalia
3
Harlequin Bug
Murgantia
histrionica
338
Stink Bugs
Pentatomidae
Hemiptera
Insecta
Animalia
1
Transverse Flower Fly
Eristalis
transversa
314
Syrphid Flies
Syrphidae
Diptera
Insecta
Animalia
1
Common Compost Fly
Syritta
pipiens
116
Syrphid Flies
Syrphidae
Diptera
Insecta
Animalia
2
Margined Calligrapher
Toxomerus
marginatus
573
Syrphid Flies
Syrphidae
Diptera
Insecta
Animalia
1
Muskrat
Ondatra
zibethicus
361
Mammals
Muridae
Rodentia
Mammalia
Animalia
2
Eastern Gray Squirrel
Sciurus
carolinensis
2463
Mammals
Sciuridae
Rodentia
Mammalia
Animalia
1
Eastern Box Turtle
Terrapene
carolina
carolina
3354
Reptiles
Emydidae
Testudines
Reptilia
Animalia
2
Eastern Ratsnake
Pantherophis
alleghaniensis
1111
Reptiles
Colubridae
Squamata
Reptilia
Animalia
3
Eastern Fence Lizard
Sceloporus
undulatus
541
Reptiles
Phrynosomatidae
Squamata
Reptilia
Animalia
1
Ceramic Parchment
Xylobolus
frustulatus
384
Fungi
Stereaceae
Russulales
Agaricomycetes
Fungi
2
Milk-white Toothed Polypore
Irpex
lacteus
378
Fungi
Irpicaceae
Polyporales
Agaricomycetes
Fungi
3
Velvet Shank
Flammulina
velutipes
92
Fungi
Physalacriaceae
Agaricales
Agaricomycetes
Fungi
4
Crumble Cap
Coprinellus
disseminatus
74
Fungi
Psathyrellaceae
Agaricales
Agaricomycetes
Fungi
5
Frost's Bolete
Butyriboletus
frostii
23
Fungi
Boletaceae
Boletales
Agaricomycetes
Fungi
6
Ochre-spreading Tooth
Steccherinum
ochraceum
36
Fungi
Hydnaceae
Cantharellales
Agaricomycetes
Fungi
7
Cauliflower Mushroom
Sparassis
spathulata
106
Fungi
Sparassidaceae
Polyporales
Agaricomycetes
Fungi
8
No Common Name
Trametes
sp.
114
Fungi
Polyporaceae
Polyporales
Agaricomycetes
Fungi
9
False Turkey Tail
Stereum
ostrea
531
Fungi
Stereaceae
Russulales
Agaricomycetes
Fungi
10
Summer Oyster Mushroom
Pleurotus
pulmonarius
29
Fungi
Pleurotaceae
Agaricales
Agaricomycetes
Fungi
11
White Dunce Cap
Conocybe
apala
69
Fungi
Bolbitiaceae
Agaricales
Agaricomycetes
Fungi
12
Giraffe Spots
Peniophora
albobadia
138
Fungi
Peniophoraceae
Russulales
Agaricomycetes
Fungi
13
Orange Mycena
Mycena
leaiana
102
Fungi
Mycenaceae
Agaricales
Agaricomycetes
Fungi
14
No Common Name
Arthrophaga
myriapodina
2
Fungi
Entomophthoraceae
Entomophthorales
Zygomycetes
Fungi
1
Virginia Bluebells
Mertensia
virginica
914
Borage Family
Boraginaceae
Lamiales
Magnoliopsida
Plantae
1
Harbinger of Spring
Erigenia
bulbosa
172
Carrot Family
Apiaceae
Apiales
Magnoliopsida
Plantae
1
Virginia Pennywort
Obolaria
virginica
225
Gentian Family
Gentianaceae
Gentianales
Magnoliopsida
Plantae
1
Red-stemmed Storksbill
Erodium
cicutarium
293
Geranium Family
Geraniaceae
Geraniales
Magnoliopsida
Plantae
1
Dwarf Ginseng
Panax
trifolius
422
Ginseng Family
Araliaceae
Apiales
Magnoliopsida
Plantae
1
Trailing Arbutus
Epigaea
repens
604
Heath Family
Ericaceae
Ericales
Magnoliopsida
Plantae
1
Yellow Trout Lily
Erythronium
americanum
ssp.
americanum
707
Lily Family
Liliaceae
Liliales
Magnoliopsida
Plantae
1
Bloodroot
Sanguinaria
canadensis
1384
Poppy Family
Papaveraceae
Papaverales
Magnoliopsida
Plantae
1
Early Saxifrage
Micranthes
virginiensis
503
Saxifrage Family
Saxifragaceae
Rosales
Magnoliopsida
Plantae
1
American White Water-lily
Nymphaea
odorata
ssp.
odorata
281
Water-lily Family
Nymphaeaceae
Nymphaeales
Magnoliopsida
Plantae
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