MBP Recent Discoveries for 2022 (David via iNaturalist)
New USGS quad records for MBP (185)
- Allegheny Hawkweed (Hieracium paniculatum) recorded by David via iNaturalist was new for the Kensington quad in Montgomery Co. (View)
- American Harlequin (Xanthogramma flavipes) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- American Witch-hazel (Hamamelis virginiana) recorded by David via iNaturalist was new for the Kensington quad in Montgomery Co. (View)
- Asian Jumpseed (Persicaria filiformis) recorded by David via iNaturalist was new for the Kensington quad in Montgomery Co. (View)
- Asian Tiger Mosquito (Aedes albopictus) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Asiatic Dayflower (Commelina communis) recorded by David via iNaturalist was new for the Kensington quad in Montgomery Co. (View)
- Autumn Olive (Elaeagnus umbellata) recorded by David via iNaturalist was new for the Urbana quad in Montgomery Co. (View)
- Autumn Olive (Elaeagnus umbellata) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Baltimore Oriole (Icterus galbula) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Beechdrops (Epifagus virginiana) recorded by David via iNaturalist was new for the Kensington quad in Montgomery Co. (View)
- Beechdrops (Epifagus virginiana) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Beggarslice (Hackelia virginiana) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Beggarslice (Hackelia virginiana) recorded by David via iNaturalist was new for the Kensington quad in Montgomery Co. (View)
- Black Baneberry (Actaea racemosa) recorded by David via iNaturalist was new for the Urbana quad in Montgomery Co. (View)
- Black Elderberry (Sambucus canadensis) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Black Gum (Nyssa sylvatica) recorded by David via iNaturalist was new for the Kensington quad in Montgomery Co. (View)
- Black Huckleberry (Gaylussacia baccata) recorded by David via iNaturalist was new for the Gaithersburg quad in Montgomery Co. (View)
- Blackhaw (Viburnum prunifolium) recorded by David via iNaturalist was new for the Gaithersburg quad in Montgomery Co. (View)
- Blue-gray Gnatcatcher (Polioptila caerulea) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Boxelder Gall Midge (Contarinia negundinis) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Broad-necked Root Borer (Prionus laticollis) recorded by David via iNaturalist was new for the Buckeystown quad in Frederick Co. (View)
- Brown Stink Bug (Euschistus servus) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Bulbous Buttercup (Ranunculus bulbosus) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Canada Thistle Bud Weevil (Larinus planus) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Canada Warbler (Cardellina canadensis) recorded by David via iNaturalist was new for the Gaithersburg quad in Montgomery Co. (View)
- Cankerweed (Nabalus serpentarius) recorded by David via iNaturalist was new for the Kensington quad in Montgomery Co. (View)
- Carbon Ball Fungus (Daldinia childiae) recorded by David via iNaturalist was new for the Buckeystown quad in Frederick Co. (View)
- Stemonitis sp. recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Cleavers (Galium aparine) recorded by David via iNaturalist was new for the Gaithersburg quad in Montgomery Co. (View)
- Common Bagworm Moth (Psyche casta) recorded by David via iNaturalist was new for the Falls Church quad in Montgomery Co. (View)
- Common Carp (Cyprinus carpio) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Common Cinquefoil (Potentilla simplex) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Coon's Tail (Ceratophyllum demersum) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Coral Slime (Ceratiomyxa fruticulosa) recorded by David via iNaturalist was new for the Buckeystown quad in Frederick Co. (View)
- Coral Slime (Ceratiomyxa fruticulosa) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Creeping Jenny (Lysimachia nummularia) recorded by David via iNaturalist was new for the Gaithersburg quad in Montgomery Co. (View)
- Curly Pondweed (Potamogeton crispus) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Dingy Diver (Laccophilus maculosus) recorded by David via iNaturalist was new for the Laurel quad in Prince George's Co. (View)
- Cuscuta sp. recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Eastern Purple Coneflower (Echinacea purpurea) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Eastern Wood-Pewee (Contopus virens) recorded by David via iNaturalist was new for the Urbana quad in Montgomery Co. (View)
- Eastern Wood-Pewee (Contopus virens) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- False Indigo Bush (Amorpha fruticosa) recorded by David via iNaturalist was new for the Bristol quad in Anne Arundel Co. (View)
- False Ivy-leaved Speedwell (Veronica sublobata) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Flat Crep (Crepidotus applanatus) recorded by David via iNaturalist was new for the Kensington quad in Montgomery Co. (View)
- Foxglove Penstemon (Penstemon digitalis) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Fringed Loosestrife (Lysimachia ciliata) recorded by David via iNaturalist was new for the Kensington quad in Montgomery Co. (View)
- Fusiform Oak Apple Gall Wasp (Amphibolips acuminata) recorded by David via iNaturalist was new for the Bristol quad in Anne Arundel Co. (View)
- Green June Beetle (Cotinis nitida) recorded by David via iNaturalist was new for the Buckeystown quad in Frederick Co. (View)
- Hardy Orange (Poncirus trifoliata) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Henbit (Lamium amplexicaule) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Hexagonal-pored Polypore (Neofavolus alveolaris) recorded by David via iNaturalist was new for the Gaithersburg quad in Montgomery Co. (View)
- Hickory Bullet Gall Midge (Caryomyia tubicola) recorded by David via iNaturalist was new for the Buckeystown quad in Frederick Co. (View)
- Hooked Buttercup (Ranunculus recurvatus) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Japanese Maple (Acer palmatum) recorded by David via iNaturalist was new for the Gaithersburg quad in Montgomery Co. (View)
- Japanese Pachysandra (Pachysandra terminalis) recorded by David via iNaturalist was new for the Gaithersburg quad in Montgomery Co. (View)
- Jewelweed Leafminer (Phytoliriomyza melampyga) recorded by David via iNaturalist was new for the Bristol quad in Anne Arundel Co. (View)
- Jewelweed Leafminer (Phytoliriomyza melampyga) recorded by David via iNaturalist was new for the Gaithersburg quad in Montgomery Co. (View)
- Jewelweed Leafminer (Phytoliriomyza melampyga) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Jumpseed (Persicaria virginiana) recorded by David via iNaturalist was new for the Gaithersburg quad in Montgomery Co. (View)
- Lancet Clubtail (Phanogomphus exilis) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Licorice Bedstraw (Galium circaezans) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Louisiana Waterthrush (Parkesia motacilla) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Lumpy Bracket (Trametes gibbosa) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Mayapple Rust (Allodus podophylli) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Mayapple Rust (Allodus podophylli) recorded by David via iNaturalist was new for the Gaithersburg quad in Montgomery Co. (View)
- Moth Mullein (Verbascum blattaria) recorded by David via iNaturalist was new for the Gaithersburg quad in Montgomery Co. (View)
- Mourning Cloak (Nymphalis antiopa) recorded by David via iNaturalist was new for the Falls Church quad in Montgomery Co. (View)
- Native Holly Leafminer (Phytomyza ilicicola) recorded by David via iNaturalist was new for the Falls Church quad in Montgomery Co. (View)
- Native Holly Leafminer (Phytomyza ilicicola) recorded by David via iNaturalist was new for the Gaithersburg quad in Montgomery Co. (View)
- No Common Name (Acalitus ferrugineum) recorded by David via iNaturalist was new for the Falls Church quad in Montgomery Co. (View)
- No Common Name (Acalitus ferrugineum) recorded by David via iNaturalist was new for the Bristol quad in Anne Arundel Co. (View)
- No Common Name (Aceria caulis) recorded by David via iNaturalist was new for the Gaithersburg quad in Montgomery Co. (View)
- No Common Name (Aceria dina) recorded by David via iNaturalist was new for the Bristol quad in Anne Arundel Co. (View)
- No Common Name (Aceria negundi) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- No Common Name (Aceria nyssae) recorded by David via iNaturalist was new for the Kensington quad in Montgomery Co. (View)
- No Common Name (Aceria trinema) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- No Common Name (Agromyza vockerothi) recorded by David via iNaturalist was new for the Buckeystown quad in Frederick Co. (View)
- Allothrombium sp. recorded by David via iNaturalist was new for the Gaithersburg quad in Montgomery Co. (View)
- Amnestus sp. recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- No Common Name (Anthribus nebulosus) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- No Common Name (Aquarius conformis) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- No Common Name (Aquarius remigis complex) recorded by David via iNaturalist was new for the Urbana quad in Montgomery Co. (View)
- No Common Name (Arcyria cinerea) recorded by David via iNaturalist was new for the Kensington quad in Montgomery Co. (View)
- Atlanticus sp. recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Cantharellus sp. recorded by David via iNaturalist was new for the Kensington quad in Montgomery Co. (View)
- Carex sp. recorded by David via iNaturalist was new for the Gaithersburg quad in Montgomery Co. (View)
- No Common Name (Centronopus calcaratus) recorded by David via iNaturalist was new for the Buckeystown quad in Frederick Co. (View)
- No Common Name (Cerodontha angulata) recorded by David via iNaturalist was new for the Bristol quad in Anne Arundel Co. (View)
- No Common Name (Coleophora ostryae) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- No Common Name (Contarinia cerasiserotinae) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- No Common Name (Contarinia racemi) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- No Common Name (Dasineura folliculi) recorded by David via iNaturalist was new for the Urbana quad in Montgomery Co. (View)
- No Common Name (Dineutus discolor) recorded by David via iNaturalist was new for the Urbana quad in Montgomery Co. (View)
- No Common Name (Euleia fratria) recorded by David via iNaturalist was new for the Kensington quad in Montgomery Co. (View)
- Eurytoma sp. recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- No Common Name (Homaeotarsus serpentinus) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- No Common Name (Lacon discoideus) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- No Common Name (Leucanthiza amphicarpeaefoliella) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- No Common Name (Limonius basilaris) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- No Common Name (Liriomyza violivora) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- No Common Name (Menecles insertus) recorded by David via iNaturalist was new for the Buckeystown quad in Frederick Co. (View)
- Meunieriella sp. recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Narcissus sp. recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- No Common Name (Nefusa ambigua) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- No Common Name (Neolasioptera boehmeriae) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- No Common Name (Neolasioptera verbesinae) recorded by David via iNaturalist was new for the Urbana quad in Montgomery Co. (View)
- No Common Name (Neurobathra strigifinitella) recorded by David via iNaturalist was new for the Kensington quad in Montgomery Co. (View)
- Ommatius sp. recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- No Common Name (Phyllocnistis liriodendronella) recorded by David via iNaturalist was new for the Bristol quad in Anne Arundel Co. (View)
- No Common Name (Phyllocnistis liriodendronella) recorded by David via iNaturalist was new for the Buckeystown quad in Frederick Co. (View)
- No Common Name (Phylloxera caryaevenae) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- No Common Name (Phylloxera foveola) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- No Common Name (Stereum fasciatum) recorded by David via iNaturalist was new for the Gaithersburg quad in Montgomery Co. (View)
- No Common Name (Stereum fasciatum) recorded by David via iNaturalist was new for the Kensington quad in Montgomery Co. (View)
- No Common Name (Stereum fasciatum) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- No Common Name (Stereum lobatum) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Stigeoclonium sp. recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Trombidium sp. recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Northern Ladyfern (Athyrium angustum) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Northern Red-bellied Turtle (Pseudemys rubriventris) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Norway Spruce (Picea abies) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Oak Rough Bulletgall Wasp (Disholcaspis quercusmamma) recorded by David via iNaturalist was new for the Falls Church quad in Montgomery Co. (View)
- Orange Assassin Bug (Pselliopus barberi) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Orange Day Lily (Hemerocallis fulva) recorded by David via iNaturalist was new for the Kensington quad in Montgomery Co. (View)
- Oxeye Daisy (Leucanthemum vulgare) recorded by David via iNaturalist was new for the Bristol quad in Anne Arundel Co. (View)
- Persimmon Bead Gall Mite (Aceria theospyri) recorded by David via iNaturalist was new for the Laurel quad in Prince George's Co. (View)
- Pickerelweed (Pontederia cordata) recorded by David via iNaturalist was new for the Kensington quad in Montgomery Co. (View)
- Pine Warbler (Setophaga pinus) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Poison Hemlock (Conium maculatum) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Pokeweed Mosaic Virus (Potyvirus Pokeweed Mosaic Virus) recorded by David via iNaturalist was new for the Gaithersburg quad in Montgomery Co. (View)
- Pond Slider (Trachemys scripta) recorded by David via iNaturalist was new for the Falls Church quad in Montgomery Co. (View)
- Pretzel Slime (Hemitrichia serpula) recorded by David via iNaturalist was new for the Kensington quad in Montgomery Co. (View)
- Prickly Castor Oil Tree (Kalopanax septemlobus) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Pumpkinseed (Lepomis gibbosus) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Rattlesnake Fern (Botrypus virginianus) recorded by David via iNaturalist was new for the Gaithersburg quad in Montgomery Co. (View)
- Red Maple (Acer rubrum) recorded by David via iNaturalist was new for the Gaithersburg quad in Montgomery Co. (View)
- Red Raspberry Slime (acutissima) (Tubifera ferruginosa) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Red Raspberry Slime (acutissima) (Tubifera ferruginosa) recorded by David via iNaturalist was new for the Kensington quad in Montgomery Co. (View)
- Red-eared Slider (Trachemys scripta) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Red-eyed Vireo (Vireo olivaceus) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Redbreast Sunfish (Lepomis auritus) recorded by David via iNaturalist was new for the Falls Church quad in Montgomery Co. (View)
- Roadside Pennycress (Thlaspi alliaceum) recorded by David via iNaturalist was new for the Gaithersburg quad in Montgomery Co. (View)
- Robin's Plantain (Erigeron pulchellus) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Rose rosette emaravirus (Emaravirus Rose rosette) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Round-lobed Hepatica (Anemone americana) recorded by David via iNaturalist was new for the Gaithersburg quad in Montgomery Co. (View)
- Sassafras (Sassafras albidum) recorded by David via iNaturalist was new for the Gaithersburg quad in Montgomery Co. (View)
- Savannah Sparrow (Passerculus sandwichensis) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Scarlet Tanager (Piranga olivacea) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Serpentine Leaf Miner (Liriomyza brassicae) recorded by David via iNaturalist was new for the Gaithersburg quad in Montgomery Co. (View)
- Sessile-leaved Bellwort (Uvularia sessilifolia) recorded by David via iNaturalist was new for the Gaithersburg quad in Montgomery Co. (View)
- Shingle Oak (Quercus imbricaria) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Short-tailed Aphideater (Eupeodes pomus) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Siebold's Arrowwwod (Viburnum sieboldii) recorded by David via iNaturalist was new for the Gaithersburg quad in Montgomery Co. (View)
- Siebold's Arrowwwod (Viburnum sieboldii) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Silky Dogwood (Cornus amomum) recorded by David via iNaturalist was new for the Kensington quad in Montgomery Co. (View)
- Smooth Carrionflower (Smilax herbacea) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Smooth Solomon's-seal (Polygonatum biflorum) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Spongy Oak Apple Gall Wasp (Amphibolips confluenta) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Spotted Cucumber Beetle (Diabrotica undecimpunctata) recorded by David via iNaturalist was new for the Buckeystown quad in Frederick Co. (View)
- Summer Azure (Celastrina neglecta) recorded by David via iNaturalist was new for the Urbana quad in Montgomery Co. (View)
- Sweet Gum Fruit Fungus (Xylaria liquidambar) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Tall Hairy Agrimony (Agrimonia gryposepala) recorded by David via iNaturalist was new for the Kensington quad in Montgomery Co. (View)
- Thin-lined Calligrapher (Toxomerus boscii) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Trumpet Creeper (Campsis radicans) recorded by David via iNaturalist was new for the Buckeystown quad in Frederick Co. (View)
- Trumpet Creeper (Campsis radicans) recorded by David via iNaturalist was new for the Urbana quad in Montgomery Co. (View)
- Turnip Crinkle Virus (Betacarmovirus brassicae) recorded by David via iNaturalist was new for the Gaithersburg quad in Montgomery Co. (View)
- Virginia Pennywort (Obolaria virginica) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Virginia Springbeauty (Claytonia virginica) recorded by David via iNaturalist was new for the Vienna quad in Montgomery Co. (View)
- White Fringetree (Chionanthus virginicus) recorded by David via iNaturalist was new for the Kensington quad in Montgomery Co. (View)
- White Green-algae Coral (Multiclavula mucida) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- White Oak Club Gall Wasp (Callirhytis clavula) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Whorled Yellow Loosestrife (Lysimachia quadrifolia) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Wild Basil (Clinopodium vulgare) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Wild Comfrey (Andersonglossum virginianum) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Wild Comfrey (Andersonglossum virginianum) recorded by David via iNaturalist was new for the Kensington quad in Montgomery Co. (View)
- Wild Ginger (Asarum canadense) recorded by David via iNaturalist was new for the Gaithersburg quad in Montgomery Co. (View)
- Wild Yam (Dioscorea villosa) recorded by David via iNaturalist was new for the Gaithersburg quad in Montgomery Co. (View)
- Willow Oak (Quercus phellos) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Wintergreen Barberry (Berberis julianae) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Witch Hazel Cone Gall Aphid (Hormaphis hamamelidis) recorded by David via iNaturalist was new for the Bristol quad in Anne Arundel Co. (View)
- Woodland Stonecrop (Sedum ternatum) recorded by David via iNaturalist was new for the Kensington quad in Montgomery Co. (View)
- Woolly Elm Aphid (Eriosoma americanum) recorded by David via iNaturalist was new for the Gaithersburg quad in Montgomery Co. (View)
- Yellow Warbler (Setophaga petechia) recorded by David via iNaturalist was new for the Rockville quad in Montgomery Co. (View)
- Yellowing Curtain Crust (Stereum subtomentosum) recorded by David via iNaturalist was new for the Kensington quad in Montgomery Co. (View)