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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
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Extirpated
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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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Hybrid
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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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S3S4B (State watchlist breeder)
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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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SXM (State extirpated migrant)
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Western MD only
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Photos
Common Name
Genus
Species
Records  
Category
Family
Order
Class
Kingdom
1
Arrowshaped Micrathena
Micrathena
sagittata
105
Spiders
Araneidae
Araneae
Arachnida
Animalia
1
Common Gallinule
Gallinula
galeata
201
Birds
Rallidae
Gruiformes
Aves
Animalia
2
Snowy Owl
Bubo
scandiacus
195
Birds
Strigidae
Strigiformes
Aves
Animalia
3
Boreal Chickadee
Poecile
hudsonicus
8
Birds
Paridae
Passeriformes
Aves
Animalia
1
Two-spotted Bumble Bee
Bombus
bimaculatus
421
Bees
Apidae
Hymenoptera
Insecta
Animalia
1
Zebra Swallowtail
Eurytides
marcellus
1061
Butterflies
Papilionidae
Lepidoptera
Insecta
Animalia
1
Periodical Cicada species
Magicicada
sp.
486
Cicadas
Cicadidae
Hemiptera
Insecta
Animalia
1
Common Whitetail
Plathemis
lydia
3496
Dragonflies
Libellulidae
Odonata
Insecta
Animalia
2
Common Pondhawk
Erythemis
simplicicollis
2574
Dragonflies
Libellulidae
Odonata
Insecta
Animalia
1
Swamp Milkweed Leaf Beetle
Labidomera
clivicollis
190
Leaf Beetles
Chrysomelidae
Coleoptera
Insecta
Animalia
2
Ninebark Leaf Beetle
Calligrapha
spiraeae
8
Leaf Beetles
Chrysomelidae
Coleoptera
Insecta
Animalia
1
Curve-lined Looper Moth
Lambdina
fervidaria
391
Moths
Geometridae
Lepidoptera
Insecta
Animalia
1
Japanese Beetle
Popillia
japonica
739
Scarab Beetles
Scarabaeidae
Coleoptera
Insecta
Animalia
1
Florida Predatory Stink Bug
Euthyrhynchus
floridanus
330
Stink Bugs
Pentatomidae
Hemiptera
Insecta
Animalia
2
Juniper Stink Bug
Banasa
euchlora
176
Stink Bugs
Pentatomidae
Hemiptera
Insecta
Animalia
1
No Common Name
Toxomerus
marginatus
570
Syrphid Flies
Syrphidae
Diptera
Insecta
Animalia
1
Appalachian Tiger Beetle
Cicindela
ancocisconensis
16
Tiger Beetles
Carabidae
Coleoptera
Insecta
Animalia
1
Smooth Greensnake
Opheodrys
vernalis
32
Reptiles
Colubridae
Squamata
Reptilia
Animalia
1
Swamp Beacon species
Mitrula
elegans/lunulatospora
14
Fungi
Helotiaceae
Helotiales
Leotiomycetes
Fungi
2
Yellow Morel
Morchella
americana
112
Fungi
Morchellaceae
Pezizales
Pezizomycetes
Fungi
1
Rock Spikemoss
Bryodesma
rupestre
21
Spikemoss Family
Selaginellaceae
Selaginellales
Lycopodiopsida
Plantae
1
Ramps
Allium
tricoccum
86
Amaryllis Family
Amaryllidaceae
Asparagales
Magnoliopsida
Plantae
1
Green Dragon
Arisaema
dracontium
80
Arum Family
Araceae
Arales
Magnoliopsida
Plantae
1
Hairy Solomon's-seal
Polygonatum
pubescens
12
Asparagus Family
Asparagaceae
Asparagales
Magnoliopsida
Plantae
1
Torrey's Thoroughwort
Eupatorium
torreyanum
128
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
1
Mayapple
Podophyllum
peltatum
1469
Barberry Family
Berberidaceae
Ranunculales
Magnoliopsida
Plantae
1
Wild Ginger
Asarum
canadense
500
Birthwort Family
Aristolochiaceae
Piperales
Magnoliopsida
Plantae
1
Wild Comfrey
Andersonglossum
virginianum
122
Borage Family
Boraginaceae
Lamiales
Magnoliopsida
Plantae
2
Small-flowered Phacelia
Phacelia
dubia
82
Borage Family
Boraginaceae
Lamiales
Magnoliopsida
Plantae
1
One-flowered Broomrape
Aphyllon
uniflorum
147
Broom-rape Family
Orobanchaceae
Lamiales
Magnoliopsida
Plantae
2
Canadian Lousewort
Pedicularis
canadensis
84
Broom-rape Family
Orobanchaceae
Lamiales
Magnoliopsida
Plantae
3
Bear Corn
Conopholis
americana
363
Broom-rape Family
Orobanchaceae
Lamiales
Magnoliopsida
Plantae
1
Nodding Trillium
Trillium
cernuum
75
Bunchflower Family
Melanthiaceae
Liliales
Magnoliopsida
Plantae
2
Dwarf Trillium
Trillium
pusillum
var.
virginianum
41
Bunchflower Family
Melanthiaceae
Liliales
Magnoliopsida
Plantae
1
Yellow Marsh Marigold
Caltha
palustris
67
Buttercup Family
Ranunculaceae
Ranunculales
Magnoliopsida
Plantae
2
Wood Anemone
Anemone
quinquefolia
256
Buttercup Family
Ranunculaceae
Ranunculales
Magnoliopsida
Plantae
1
Heart-leaved Alexanders
Zizia
aptera
52
Carrot Family
Apiaceae
Apiales
Magnoliopsida
Plantae
2
Harbinger of Spring
Erigenia
bulbosa
157
Carrot Family
Apiaceae
Apiales
Magnoliopsida
Plantae
1
Carpenter's Square
Scrophularia
marilandica
58
Figwort Family
Scrophulariaceae
Scrophulariales
Magnoliopsida
Plantae
1
Dwarf Ginseng
Panax
trifolius
387
Ginseng Family
Araliaceae
Apiales
Magnoliopsida
Plantae
1
Beaked Cornsalad
Valerianella
radiata
28
Honeysuckle Family
Caprifoliaceae
Dipsacales
Magnoliopsida
Plantae
1
Yellow Star Grass
Hypoxis
hirsuta
135
Hypoxidaceae
Hypoxidaceae
Liliales
Magnoliopsida
Plantae
1
Needletip Blue-eyed Grass
Sisyrinchium
mucronatum
30
Iris Family
Iridaceae
Liliales
Magnoliopsida
Plantae
2
Harlequin Blueflag
Iris
versicolor
144
Iris Family
Iridaceae
Liliales
Magnoliopsida
Plantae
1
Yellow Fairybells
Prosartes
lanuginosa
58
Lily Family
Liliaceae
Liliales
Magnoliopsida
Plantae
2
White Clintonia
Clintonia
umbellulata
49
Lily Family
Liliaceae
Liliales
Magnoliopsida
Plantae
1
Azure Bluets
Houstonia
caerulea
670
Madder Family
Rubiaceae
Rubiales
Magnoliopsida
Plantae
1
Large-flowered Bellwort
Uvularia
grandiflora
35
Meadow Saffron Family
Colchicaceae
Liliales
Magnoliopsida
Plantae
2
Mountain Bellwort
Uvularia
puberula
18
Meadow Saffron Family
Colchicaceae
Liliales
Magnoliopsida
Plantae
3
Perfoliate Bellwort
Uvularia
perfoliata
273
Meadow Saffron Family
Colchicaceae
Liliales
Magnoliopsida
Plantae
1
Four-leaved Milkweed
Asclepias
quadrifolia
77
Milkweed Family
Apocynaceae
Gentianales
Magnoliopsida
Plantae
1
Seneca Snakeroot (latifolia)
Polygala
senega
var.
latifolia
2
Milkwort Family
Polygalaceae
Polygalales
Magnoliopsida
Plantae
2
Fringed Polygala
Polygaloides
paucifolia
118
Milkwort Family
Polygalaceae
Polygalales
Magnoliopsida
Plantae
1
Lyre-leaved Sage
Salvia
lyrata
469
Mint Family
Lamiaceae
Lamiales
Magnoliopsida
Plantae
1
Downy Arrowwood
Viburnum
rafinesqueanum
23
Moschatel Family
Adoxaceae
Dipsacales
Magnoliopsida
Plantae
1
Broad-leaved Toothwort
Cardamine
diphylla
38
Mustard Family
Brassicaceae
Brassicales
Magnoliopsida
Plantae
2
American Bittercress
Cardamine
rotundifolia
9
Mustard Family
Brassicaceae
Brassicales
Magnoliopsida
Plantae
1
Pink Lady's Slipper
Cypripedium
acaule
547
Orchids
Orchidaceae
Orchidales
Magnoliopsida
Plantae
1
Veiny Pea
Lathyrus
venosus
24
Pea Family
Fabaceae
Fabales
Magnoliopsida
Plantae
1
Creeping Phlox
Phlox
stolonifera
20
Phlox Family
Polemoniaceae
Solanales
Magnoliopsida
Plantae
1
Star Chickweed
Stellaria
pubera
449
Pink Family
Caryophyllaceae
Caryophyllales
Magnoliopsida
Plantae
2
Blunt-leaved Sandwort
Moehringia
lateriflora
9
Pink Family
Caryophyllaceae
Caryophyllales
Magnoliopsida
Plantae
3
Thyme-leaved Sandwort
Arenaria
serpyllifolia
112
Pink Family
Caryophyllaceae
Caryophyllales
Magnoliopsida
Plantae
4
Michaux's Stitchwort
Minuartia
michauxii
var.
michauxii
16
Pink Family
Caryophyllaceae
Caryophyllales
Magnoliopsida
Plantae
1
Bowman's Root
Gillenia
trifoliata
92
Rose Family
Rosaceae
Rosales
Magnoliopsida
Plantae
1
Bastard Toadflax
Comandra
umbellata
107
Sandalwood Family
Santalaceae
Santalales
Magnoliopsida
Plantae
1
Lettuce-leaved Saxifrage
Micranthes
micranthidifolia
15
Saxifrage Family
Saxifragaceae
Rosales
Magnoliopsida
Plantae
2
Eastern Swamp Saxifrage
Micranthes
pensylvanica
27
Saxifrage Family
Saxifragaceae
Rosales
Magnoliopsida
Plantae
1
Alpine Violet
Viola
labradorica
71
Violet Family
Violaceae
Violales
Magnoliopsida
Plantae
2
Marsh Blue Violet
Viola
cucullata
160
Violet Family
Violaceae
Violales
Magnoliopsida
Plantae
3
Early Blue Violet
Viola
palmata
135
Violet Family
Violaceae
Violales
Magnoliopsida
Plantae
4
Long-spurred Violet
Viola
rostrata
62
Violet Family
Violaceae
Violales
Magnoliopsida
Plantae
1
Snake-skin Liverwort
Conocephalum
salebrosum
104
Liverworts
Conocephalaceae
Marchantiales
Marchantiopsida
Plantae
1
Rusty Woodsia
Woodsia
ilvensis
14
Ferns
Woodsiaceae
Polypodiales
Polypodiopsida
Plantae
2
Blunt-lobed Woodsia
Woodsia
obtusa
ssp.
obtusa
53
Ferns
Woodsiaceae
Polypodiales
Polypodiopsida
Plantae
3
Northern Maidenhair Fern
Adiantum
pedatum
223
Ferns
Pteridaceae
Polypodiales
Polypodiopsida
Plantae
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