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Adventive
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Coastal Plain only
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Extirpated
\n
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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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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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SH (Historical)
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SHB (State historical breeder)
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Western MD only
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Photos
Common Name
Genus
Species
Records  
Category
Family
Order
Class
Kingdom
1
Mottled Sculpin
Cottus
bairdii
20
Fish
Cottidae
Scorpaeniformes
Actinopterygii
Animalia
2
Rainbow Trout
Oncorhynchus
mykiss
112
Fish
Salmonidae
Salmoniformes
Actinopterygii
Animalia
1
Northern Leopard Frog
Lithobates
pipiens
1
Amphibians
Ranidae
Anura
Amphibia
Animalia
2
Long-tailed Salamander
Eurycea
longicauda
longicauda
183
Amphibians
Plethodontidae
Caudata
Amphibia
Animalia
3
Eastern Red-backed Salamander
Plethodon
cinereus
15076
Amphibians
Plethodontidae
Caudata
Amphibia
Animalia
4
Allegheny Mountain Dusky Salamander
Desmognathus
ochrophaeus
219
Amphibians
Plethodontidae
Caudata
Amphibia
Animalia
5
Northern Two-lined Salamander
Eurycea
bislineata
762
Amphibians
Plethodontidae
Caudata
Amphibia
Animalia
6
Spotted Salamander
Ambystoma
maculatum
717
Amphibians
Ambystomatidae
Caudata
Amphibia
Animalia
7
Green Frog
Lithobates
clamitans
2356
Amphibians
Ranidae
Anura
Amphibia
Animalia
8
American Toad
Anaxyrus
americanus
americanus
2038
Amphibians
Bufonidae
Anura
Amphibia
Animalia
9
Wood Frog
Lithobates
sylvaticus
1030
Amphibians
Ranidae
Anura
Amphibia
Animalia
10
Northern Slimy Salamander
Plethodon
glutinosus
418
Amphibians
Plethodontidae
Caudata
Amphibia
Animalia
11
Northern Dusky Salamander
Desmognathus
fuscus
3227
Amphibians
Plethodontidae
Caudata
Amphibia
Animalia
12
Spring Salamander
Gyrinophilus
porphyriticus
53
Amphibians
Plethodontidae
Caudata
Amphibia
Animalia
13
Eastern Newt
Notophthalmus
viridescens
674
Amphibians
Salamandridae
Caudata
Amphibia
Animalia
14
Red Salamander
Pseudotriton
ruber
260
Amphibians
Plethodontidae
Caudata
Amphibia
Animalia
15
Pickerel Frog
Lithobates
palustris
838
Amphibians
Ranidae
Anura
Amphibia
Animalia
16
Spring Peeper
Pseudacris
crucifer
crucifer
1363
Amphibians
Hylidae
Anura
Amphibia
Animalia
1
No Common Name
Erebomaster
acanthinus
4
Harvestmen
Cladonychiidae
Opiliones
Arachnida
Animalia
2
No Common Name
Leiobunum
bicolor
1
Harvestmen
Sclerosomatidae
Opiliones
Arachnida
Animalia
1
No Common Name
Apochthonius
sp.
2
Pseudoscorpions
Chthoniidae
Pseudoscorpiones
Arachnida
Animalia
1
Common House Spider
Parasteatoda
tepidariorum
51
Spiders
Theridiidae
Araneae
Arachnida
Animalia
2
No Common Name
Oreonetides
sp.
2
Spiders
Linyphiidae
Araneae
Arachnida
Animalia
3
No Common Name
Mermessus
tridentatus
2
Spiders
Linyphiidae
Araneae
Arachnida
Animalia
4
No Common Name
Porrhomma
terrestre
1
Spiders
Linyphiidae
Araneae
Arachnida
Animalia
5
No Common Name
Meta
menardi
4
Spiders
Tetragnathidae
Araneae
Arachnida
Animalia
6
Appalachian Cave Spider
Porrhomma
cavernicola
8
Spiders
Linyphiidae
Araneae
Arachnida
Animalia
7
No Common Name
Ceratinopsis
interpres
3
Spiders
Linyphiidae
Araneae
Arachnida
Animalia
8
No Common Name
Tenuiphantes
sabulosus
3
Spiders
Linyphiidae
Araneae
Arachnida
Animalia
9
No Common Name
Eidmannella
pallida
2
Spiders
Nesticidae
Araneae
Arachnida
Animalia
1
No Common Name
Scutigera
sp.
1
Centipedes
Scutigeridae
Scutigeromorpha
Chilopoda
Animalia
1
No Common Name
Allolobophora
turgida
14
Earthworms
Lumbricidae
Haplotaxida
Clitellata
Animalia
2
No Common Name
Octolasion
tyrtaeum
2
Earthworms
Lumbricidae
Haplotaxida
Clitellata
Animalia
3
No Common Name
Dendrobaena
rubida
8
Earthworms
Lumbricidae
Haplotaxida
Clitellata
Animalia
1
No Common Name
Tomocerus
flavescens
2
Springtails
Tomoceridae
Entomobryomorpha
Collembola
Animalia
2
No Common Name
Sinella
cavernarum
1
Springtails
Entomobryidae
Entomobryomorpha
Collembola
Animalia
3
Crabtree Cave Springtail
Arrhopalites
sp.-1
2
Springtails
Arrhopalitidae
Symphypleona
Collembola
Animalia
4
No Common Name
Tomocerus
bidentatus
2
Springtails
Tomoceridae
Entomobryomorpha
Collembola
Animalia
5
No Common Name
Ceratophysella
sp.
2
Springtails
Hypogastruridae
Poduromorpha
Collembola
Animalia
1
No Common Name
Nopoiulus
sp.
2
Millipedes
Blaniulidae
Julida
Diplopoda
Animalia
2
No Common Name
Virgoiulus
minutus
1
Millipedes
Blaniulidae
Julida
Diplopoda
Animalia
3
No Common Name
Conotyla
sp.
2
Millipedes
Conotylidae
Chordeumatida
Diplopoda
Animalia
4
No Common Name
Trichopetalum
appropinquo
3
Millipedes
Trichopetalidae
Chordeumatida
Diplopoda
Animalia
5
No Common Name
Pseudopolydesmus
serratus
85
Millipedes
Polydesmidae
Polydesmida
Diplopoda
Animalia
6
No Common Name
Narceus
americanus-annularis
292
Millipedes
Spirobolidae
Spirobolida
Diplopoda
Animalia
7
No Common Name
Pseudopolydesmus
canadensis
25
Millipedes
Polydesmidae
Polydesmida
Diplopoda
Animalia
8
No Common Name
Pseudotremia
sp.
2
Millipedes
Cleidogonidae
Chordeumatida
Diplopoda
Animalia
9
No Common Name
Abacion
magnum
1
Millipedes
Abacionidae
Callipodida
Diplopoda
Animalia
10
No Common Name
Nopoiulus
kochii
2
Millipedes
Blaniulidae
Julida
Diplopoda
Animalia
11
No Common Name
Conotyla
blakei
2
Millipedes
Conotylidae
Chordeumatida
Diplopoda
Animalia
12
No Common Name
Conotyla
venetia
1
Millipedes
Conotylidae
Chordeumatida
Diplopoda
Animalia
13
No Common Name
Ophyiulus
pilosus
17
Millipedes
Julidae
Julida
Diplopoda
Animalia
14
Granulated Millipede
Scytonotus
granulatus
3
Millipedes
Polydesmidae
Polydesmida
Diplopoda
Animalia
15
No Common Name
Oriulus
delus
1
Millipedes
Parajulidae
Julida
Diplopoda
Animalia
16
No Common Name
Nemasoma
sp.
1
Millipedes
Nemasomatidae
Julida
Diplopoda
Animalia
1
Two-ridge Rams-Horn
Helisoma
anceps
21
Freshwater Snails
Planorbidae
Basommatophora
Gastropoda
Animalia
1
Northern Three-Tooth
Triodopsis
tridentata
1
Land Snails
Polygyridae
Stylommatophora
Gastropoda
Animalia
2
Compound Coil
Helicodiscus
parallelus
5
Land Snails
Helicodiscidae
Stylommatophora
Gastropoda
Animalia
3
Armed Snaggletooth
Gastrocopta
armifera
4
Land Snails
Vertiginidae
Stylommatophora
Gastropoda
Animalia
4
Whitelip
Triodopsis
albolabris
1
Land Snails
Polygyridae
Stylommatophora
Gastropoda
Animalia
5
Flamed Tigersnail
Anguispira
alternata
10
Land Snails
Discidae
Stylommatophora
Gastropoda
Animalia
6
Gray-footed Lancetooth
Haplotrema
concavum
3
Land Snails
Haplotrematidae
Stylommatophora
Gastropoda
Animalia
7
Hairy Slitmouth
Stenotrema
hirsutum
1
Land Snails
Polygyridae
Stylommatophora
Gastropoda
Animalia
8
Plain Button
Mesomphix
inornatus
1
Land Snails
Zonitidae
Stylommatophora
Gastropoda
Animalia
1
No Common Name
Ceuthophilus
gracilipes
3
Crickets
Rhaphidophoridae
Orthoptera
Insecta
Animalia
1
No Common Name
Megaselia
cavernicola
1
Humpbacked Flies
Phoridae
Diptera
Insecta
Animalia
1
Herald Moth
Scoliopteryx
libatrix
53
Moths
Erebidae
Lepidoptera
Insecta
Animalia
1
No Common Name
Heleomyza
brachypterna
1
Sun Flies
Heleomyzidae
Diptera
Insecta
Animalia
2
No Common Name
Oecothea
specus
1
Sun Flies
Heleomyzidae
Diptera
Insecta
Animalia
3
No Common Name
Amoebaleria
defessa
6
Sun Flies
Heleomyzidae
Diptera
Insecta
Animalia
4
No Common Name
Heleomyza
serrata
1
Sun Flies
Heleomyzidae
Diptera
Insecta
Animalia
1
Dearolf's Cave Amphipod
Crangonyx
dearolfi
4
Amphipods
Crangonyctidae
Amphipoda
Malacostraca
Animalia
2
No Common Name
Stygobromus
sp.
9
Amphipods
Crangonyctidae
Amphipoda
Malacostraca
Animalia
3
Allegheny Cave Amphipod
Stygobromus
allegheniensis
22
Amphipods
Crangonyctidae
Amphipoda
Malacostraca
Animalia
4
Shenandoah Valley Cave Amphipod
Stygobromus
gracilipes
7
Amphipods
Crangonyctidae
Amphipoda
Malacostraca
Animalia
5
No Common Name
Gammarus
minus
1
Amphipods
Gammaridae
Amphipoda
Malacostraca
Animalia
6
Greenbrier Cave Amphipod
Stygobromus
emarginatus
6
Amphipods
Crangonyctidae
Amphipoda
Malacostraca
Animalia
1
Common Crayfish
Cambarus
bartonii
62
Crayfish
Cambaridae
Decapoda
Malacostraca
Animalia
1
No Common Name
Haplophthalmus
danicus
16
Isopods
Trichoniscidae
Isopoda
Malacostraca
Animalia
2
No Common Name
Caecidotea
pricei
29
Isopods
Asellidae
Isopoda
Malacostraca
Animalia
3
No Common Name
Caecidotea
sp.
5
Isopods
Asellidae
Isopoda
Malacostraca
Animalia
4
Curly Woodlouse
Cylisticus
convexus
6
Isopods
Cylisticidae
Isopoda
Malacostraca
Animalia
5
No Common Name
Caecidotea
franzi
6
Isopods
Asellidae
Isopoda
Malacostraca
Animalia
1
Tri-colored Bat
Pipistrellus
subflavus
75
Mammals
Vespertilionidae
Chiroptera
Mammalia
Animalia
2
Allegheny Woodrat
Neotoma
magister
48
Mammals
Muridae
Rodentia
Mammalia
Animalia
3
Northern Myotis
Myotis
septentrionalis
12
Mammals
Vespertilionidae
Chiroptera
Mammalia
Animalia
4
Eastern Small-footed Bat
Myotis
leibii
26
Mammals
Vespertilionidae
Chiroptera
Mammalia
Animalia
5
Common Raccoon
Procyon
lotor
897
Mammals
Procyonidae
Carnivora
Mammalia
Animalia
6
Big Brown Bat
Eptesicus
fuscus
214
Mammals
Vespertilionidae
Chiroptera
Mammalia
Animalia
7
Little Brown Myotis
Myotis
lucifugus
82
Mammals
Vespertilionidae
Chiroptera
Mammalia
Animalia
8
Indiana Bat
Myotis
sodalis
20
Mammals
Vespertilionidae
Chiroptera
Mammalia
Animalia
1
Eastern Ratsnake
Pantherophis
alleghaniensis
1097
Reptiles
Colubridae
Squamata
Reptilia
Animalia
2
Common Gartersnake
Thamnophis
sirtalis
1104
Reptiles
Colubridae
Squamata
Reptilia
Animalia
3
Wood Turtle
Glyptemys
insculpta
98
Reptiles
Emydidae
Testudines
Reptilia
Animalia
4
Northern Watersnake
Nerodia
sipedon
sipedon
1248
Reptiles
Colubridae
Squamata
Reptilia
Animalia
5
Eastern Copperhead
Agkistrodon
contortrix
383
Reptiles
Crotalidae
Squamata
Reptilia
Animalia
6
Eastern Box Turtle
Terrapene
carolina
carolina
3323
Reptiles
Emydidae
Testudines
Reptilia
Animalia
1
No Common Name
Phagocata
morgani
1
Flatworms
Planariidae
Neoophora
Trepaxonemata
Animalia
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