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Adventive
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Extinct
\n
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\n
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\n
G1 (Highly globally rare)
\n
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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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
Basilica Orbweaver
Mecynogea
lemniscata
61
Spiders
Araneidae
Araneae
Arachnida
Animalia
2
Common House Spider
Parasteatoda
tepidariorum
51
Spiders
Theridiidae
Araneae
Arachnida
Animalia
3
Southern Black Widow
Latrodectus
mactans
19
Spiders
Theridiidae
Araneae
Arachnida
Animalia
4
Barn Spider
Neoscona
crucifera
123
Spiders
Araneidae
Araneae
Arachnida
Animalia
5
Orchard Orbweaver
Leucauge
venusta
273
Spiders
Tetragnathidae
Araneae
Arachnida
Animalia
6
Yellow Garden Spider
Argiope
aurantia
529
Spiders
Araneidae
Araneae
Arachnida
Animalia
1
Canada Goose
Branta
canadensis
2952
Birds
Anatidae
Anseriformes
Aves
Animalia
2
Ring-necked Duck
Aythya
collaris
930
Birds
Anatidae
Anseriformes
Aves
Animalia
3
Ruby-throated Hummingbird
Archilochus
colubris
813
Birds
Trochilidae
Apodiformes
Aves
Animalia
4
Black Vulture
Coragyps
atratus
1290
Birds
Cathartidae
Accipitriformes
Aves
Animalia
5
Great Horned Owl
Bubo
virginianus
298
Birds
Strigidae
Strigiformes
Aves
Animalia
6
American Crow
Corvus
brachyrhynchos
591
Birds
Corvidae
Passeriformes
Aves
Animalia
7
Eastern Bluebird
Sialia
sialis
2480
Birds
Turdidae
Passeriformes
Aves
Animalia
8
American Robin
Turdus
migratorius
2969
Birds
Turdidae
Passeriformes
Aves
Animalia
9
European Starling
Sturnus
vulgaris
1341
Birds
Sturnidae
Passeriformes
Aves
Animalia
10
House Sparrow
Passer
domesticus
1454
Birds
Passeridae
Passeriformes
Aves
Animalia
11
Common Grackle
Quiscalus
quiscula
1069
Birds
Icteridae
Passeriformes
Aves
Animalia
1
House Centipede
Scutigera
coleoptrata
116
Centipedes
Scutigeridae
Scutigeromorpha
Chilopoda
Animalia
1
Chestnut Carpenter Ant
Camponotus
castaneus
172
Ants
Formicidae
Hymenoptera
Insecta
Animalia
1
Wheel Bug
Arilus
cristatus
584
Assassin Bugs
Reduviidae
Hemiptera
Insecta
Animalia
2
Ringed Assassin Bug
Pselliopus
cinctus
39
Assassin Bugs
Reduviidae
Hemiptera
Insecta
Animalia
1
Northern Carpenter Bee
Xylocopa
virginica
991
Bees
Apidae
Hymenoptera
Insecta
Animalia
2
Honey Bee
Apis
mellifera
1139
Bees
Apidae
Hymenoptera
Insecta
Animalia
1
Tiger Bee Fly
Xenox
tigrinus
293
Bee Flies
Bombyliidae
Diptera
Insecta
Animalia
1
Northern Broken-Dash
Polites
egeremet
115
Butterflies
Hesperiidae
Lepidoptera
Insecta
Animalia
2
Sachem
Atalopedes
huron
2663
Butterflies
Hesperiidae
Lepidoptera
Insecta
Animalia
3
Sleepy Orange
Abaeis
nicippe
468
Butterflies
Pieridae
Lepidoptera
Insecta
Animalia
4
American Lady
Vanessa
virginiensis
758
Butterflies
Nymphalidae
Lepidoptera
Insecta
Animalia
5
Cloudless Sulphur
Phoebis
sennae
414
Butterflies
Pieridae
Lepidoptera
Insecta
Animalia
6
Delaware Skipper
Anatrytone
logan
103
Butterflies
Hesperiidae
Lepidoptera
Insecta
Animalia
7
Common Buckeye
Junonia
coenia
1593
Butterflies
Nymphalidae
Lepidoptera
Insecta
Animalia
8
Eastern Tiger Swallowtail
Pterourus
glaucus
3190
Butterflies
Papilionidae
Lepidoptera
Insecta
Animalia
9
Zabulon Skipper
Lon
zabulon
1661
Butterflies
Hesperiidae
Lepidoptera
Insecta
Animalia
10
Orange Sulphur
Colias
eurytheme
1289
Butterflies
Pieridae
Lepidoptera
Insecta
Animalia
11
Variegated Fritillary
Euptoieta
claudia
1346
Butterflies
Nymphalidae
Lepidoptera
Insecta
Animalia
12
Cabbage White
Pieris
rapae
2660
Butterflies
Pieridae
Lepidoptera
Insecta
Animalia
13
Peck's Skipper
Polites
peckius
1108
Butterflies
Hesperiidae
Lepidoptera
Insecta
Animalia
14
Painted Lady
Vanessa
cardui
553
Butterflies
Nymphalidae
Lepidoptera
Insecta
Animalia
15
Silver-spotted Skipper
Epargyreus
clarus
2262
Butterflies
Hesperiidae
Lepidoptera
Insecta
Animalia
16
Fiery Skipper
Hylephila
phyleus
889
Butterflies
Hesperiidae
Lepidoptera
Insecta
Animalia
17
Red-spotted Purple
Limenitis
arthemis
astyanax
1362
Butterflies
Nymphalidae
Lepidoptera
Insecta
Animalia
18
Monarch
Danaus
plexippus
3220
Butterflies
Nymphalidae
Lepidoptera
Insecta
Animalia
1
Linne's Cicada
Neotibicen
linnei
54
Cicadas
Cicadidae
Hemiptera
Insecta
Animalia
1
Greenhouse Camel Cricket
Diestrammena
asynamora
455
Crickets
Rhaphidophoridae
Orthoptera
Insecta
Animalia
1
Blue Dasher
Pachydiplax
longipennis
2810
Dragonflies
Libellulidae
Odonata
Insecta
Animalia
1
No Common Name
Ichneumon
ambulatorius
16
Ichneumonid Wasps
Ichneumonidae
Hymenoptera
Insecta
Animalia
1
Modest Katydid
Montezumina
modesta
123
Katydids
Tettigoniidae
Orthoptera
Insecta
Animalia
1
Seven-spotted Lady Beetle
Coccinella
septempunctata
553
Lady Beetles
Coccinellidae
Coleoptera
Insecta
Animalia
1
No Common Name
Leptoglossus
oppositus
137
Leaf-footed Bugs
Coreidae
Hemiptera
Insecta
Animalia
1
Spotted Cucumber Beetle
Diabrotica
undecimpunctata
736
Leaf Beetles
Chrysomelidae
Coleoptera
Insecta
Animalia
1
Red Milkweed Beetle
Tetraopes
tetrophthalmus
726
Long-horned Beetles
Cerambycidae
Coleoptera
Insecta
Animalia
2
Brown Prionid
Orthosoma
brunneum
128
Long-horned Beetles
Cerambycidae
Coleoptera
Insecta
Animalia
3
Spined Oak Borer
Elaphidion
mucronatum
57
Long-horned Beetles
Cerambycidae
Coleoptera
Insecta
Animalia
1
Chinese Mantis
Tenodera
sinensis
227
Mantids
Mantidae
Mantodea
Insecta
Animalia
2
Carolina Mantis
Stagmomantis
carolina
201
Mantids
Mantidae
Mantodea
Insecta
Animalia
1
Hummingbird Clearwing
Hemaris
thysbe
204
Moths
Sphingidae
Lepidoptera
Insecta
Animalia
2
Isabella Tiger Moth
Pyrrharctia
isabella
1226
Moths
Erebidae
Lepidoptera
Insecta
Animalia
3
Snowberry Clearwing
Hemaris
diffinis
375
Moths
Sphingidae
Lepidoptera
Insecta
Animalia
4
Forage Looper Moth
Caenurgina
erechtea
211
Moths
Erebidae
Lepidoptera
Insecta
Animalia
5
Corn Earworm Moth
Helicoverpa
zea
253
Moths
Noctuidae
Lepidoptera
Insecta
Animalia
6
Tufted Bird-dropping Moth
Cerma
cerintha
174
Moths
Noctuidae
Lepidoptera
Insecta
Animalia
7
One-spotted Variant Moth
Hypagyrtis
unipunctata
905
Moths
Geometridae
Lepidoptera
Insecta
Animalia
8
Small-eyed Sphinx
Paonias
myops
252
Moths
Sphingidae
Lepidoptera
Insecta
Animalia
9
Rose Hooktip Moth
Oreta
rosea
139
Moths
Drepanidae
Lepidoptera
Insecta
Animalia
10
Eastern Tent Caterpillar Moth
Malacosoma
americana
658
Moths
Lasiocampidae
Lepidoptera
Insecta
Animalia
11
Milkweed Tussock Moth
Euchaetes
egle
515
Moths
Erebidae
Lepidoptera
Insecta
Animalia
12
Harnessed Tiger Moth
Apantesis
phalerata
438
Moths
Erebidae
Lepidoptera
Insecta
Animalia
13
Plebeian Sphinx
Paratrea
plebeja
54
Moths
Sphingidae
Lepidoptera
Insecta
Animalia
1
Eastern Cicada Killer
Sphecius
speciosus
204
Sand Wasps
Crabronidae
Hymenoptera
Insecta
Animalia
1
Large Milkweed Bug
Oncopeltus
fasciatus
1000
Seed Bugs
Lygaeidae
Hemiptera
Insecta
Animalia
2
Small Milkweed Bug
Lygaeus
kalmii
226
Seed Bugs
Lygaeidae
Hemiptera
Insecta
Animalia
1
Margined Leatherwing
Chauliognathus
marginatus
756
Soldier Beetles
Cantharidae
Coleoptera
Insecta
Animalia
1
Green Stink Bug
Chinavia
hilaris
898
Stink Bugs
Pentatomidae
Hemiptera
Insecta
Animalia
2
Brown Marmorated Stink Bug
Halyomorpha
halys
1327
Stink Bugs
Pentatomidae
Hemiptera
Insecta
Animalia
1
Black-shouldered Drone Fly
Eristalis
dimidiata
192
Syrphid Flies
Syrphidae
Diptera
Insecta
Animalia
2
No Common Name
Toxomerus
geminatus
591
Syrphid Flies
Syrphidae
Diptera
Insecta
Animalia
3
No Common Name
Toxomerus
marginatus
570
Syrphid Flies
Syrphidae
Diptera
Insecta
Animalia
1
Black and Yellow Mud Dauber
Sceliphron
caementarium
96
Thread-waisted Wasps
Sphecidae
Hymenoptera
Insecta
Animalia
2
Blue Mud Wasp
Chalybion
californicum
45
Thread-waisted Wasps
Sphecidae
Hymenoptera
Insecta
Animalia
1
Bald-faced Hornet
Dolichovespula
maculata
327
Vespid Wasps
Vespidae
Hymenoptera
Insecta
Animalia
2
European Paper Wasp
Polistes
dominula
64
Vespid Wasps
Vespidae
Hymenoptera
Insecta
Animalia
3
Common Paper Wasp
Polistes
exclamans
150
Vespid Wasps
Vespidae
Hymenoptera
Insecta
Animalia
4
Eastern Yellowjacket
Vespula
maculifrons
383
Vespid Wasps
Vespidae
Hymenoptera
Insecta
Animalia
1
White-tailed Deer
Odocoileus
virginianus
2689
Mammals
Cervidae
Artiodactyla
Mammalia
Animalia
2
Eastern Gray Squirrel
Sciurus
carolinensis
2254
Mammals
Sciuridae
Rodentia
Mammalia
Animalia
3
Eastern Cottontail
Sylvilagus
floridanus
1533
Mammals
Leporidae
Lagomorpha
Mammalia
Animalia
1
Common Five-lined Skink
Plestiodon
fasciatus
1154
Reptiles
Scincidae
Squamata
Reptilia
Animalia
2
Eastern Painted Turtle
Chrysemys
picta
picta
1891
Reptiles
Emydidae
Testudines
Reptilia
Animalia
1
Common Grape Hyacinth
Muscari
botryoides
35
Asparagus Family
Asparagaceae
Asparagales
Magnoliopsida
Plantae
1
Black-eyed Susan
Rudbeckia
hirta
230
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
2
American Yarrow
Achillea
borealis
731
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
3
Hairy Cat's-ear
Hypochaeris
radicata
152
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
4
Canada Thistle
Cirsium
arvense
645
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
5
Chicory
Cichorium
intybus
855
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
1
Bulbous Buttercup
Ranunculus
bulbosus
266
Buttercup Family
Ranunculaceae
Ranunculales
Magnoliopsida
Plantae
1
Eastern Pricklypear
Opuntia
humifusa
var.
humifusa
115
Cactus Family
Cactaceae
Caryophyllales
Magnoliopsida
Plantae
1
Swollen Bladderwort
Utricularia
inflata
77
Carnivorous Plants
Lentibulariaceae
Scrophulariales
Magnoliopsida
Plantae
1
Queen Anne's Lace
Daucus
carota
939
Carrot Family
Apiaceae
Apiales
Magnoliopsida
Plantae
1
Dove's-foot Cranesbill
Geranium
molle
333
Geranium Family
Geraniaceae
Geraniales
Magnoliopsida
Plantae
1
Common Winterberry
Ilex
verticillata
244
Holly Family
Aquifoliaceae
Celastrales
Magnoliopsida
Plantae
1
Japanese Honeysuckle
Lonicera
japonica
1103
Honeysuckle Family
Caprifoliaceae
Dipsacales
Magnoliopsida
Plantae
1
Red Maple
Acer
rubrum
1247
Maple Family
Sapindaceae
Sapindales
Magnoliopsida
Plantae
1
Butterfly Weed
Asclepias
tuberosa
ssp.
tuberosa
391
Milkweed Family
Apocynaceae
Gentianales
Magnoliopsida
Plantae
2
Common Milkweed
Asclepias
syriaca
1036
Milkweed Family
Apocynaceae
Gentianales
Magnoliopsida
Plantae
1
Purple Deadnettle
Lamium
purpureum
1585
Mint Family
Lamiaceae
Lamiales
Magnoliopsida
Plantae
2
Henbit
Lamium
amplexicaule
819
Mint Family
Lamiaceae
Lamiales
Magnoliopsida
Plantae
1
Shepherd's Purse
Capsella
bursa-pastoris
328
Mustard Family
Brassicaceae
Brassicales
Magnoliopsida
Plantae
2
Garlic Mustard
Alliaria
petiolata
1100
Mustard Family
Brassicaceae
Brassicales
Magnoliopsida
Plantae
1
Princess Tree
Paulownia
tomentosa
358
Paulownia Family
Paulowniaceae
Lamiales
Magnoliopsida
Plantae
1
Silktree
Albizia
julibrissin
398
Pea Family
Fabaceae
Fabales
Magnoliopsida
Plantae
2
Black Locust
Robinia
pseudoacacia
763
Pea Family
Fabaceae
Fabales
Magnoliopsida
Plantae
3
Red Clover
Trifolium
pratense
1071
Pea Family
Fabaceae
Fabales
Magnoliopsida
Plantae
4
White Clover
Trifolium
repens
1030
Pea Family
Fabaceae
Fabales
Magnoliopsida
Plantae
1
Common Chickweed
Stellaria
media
435
Pink Family
Caryophyllaceae
Caryophyllales
Magnoliopsida
Plantae
1
Bird's-eye Speedwell
Veronica
persica
1161
Plantain Family
Plantaginaceae
Lamiales
Magnoliopsida
Plantae
1
American Pokeweed
Phytolacca
americana
1597
Pokeweed Family
Phytolaccaceae
Caryophyllales
Magnoliopsida
Plantae
1
Carolina Horsenettle
Solanum
carolinense
1451
Potato Family
Solanaceae
Solanales
Magnoliopsida
Plantae
1
Tree of Heaven
Ailanthus
altissima
513
Quassia Family
Simaroubaceae
Sapindales
Magnoliopsida
Plantae
1
Multiflora Rose
Rosa
multiflora
708
Rose Family
Rosaceae
Rosales
Magnoliopsida
Plantae
2
Bradford Pear
Pyrus
calleryana
295
Rose Family
Rosaceae
Rosales
Magnoliopsida
Plantae
3
Indian Strawberry
Potentilla
indica
570
Rose Family
Rosaceae
Rosales
Magnoliopsida
Plantae
4
Wineberry
Rubus
phoenicolasius
1104
Rose Family
Rosaceae
Rosales
Magnoliopsida
Plantae
1
Eastern Poison Ivy
Toxicodendron
radicans
1391
Sumac Family
Anacardiaceae
Sapindales
Magnoliopsida
Plantae
1
Common Blue Violet
Viola
sororia
551
Violet Family
Violaceae
Violales
Magnoliopsida
Plantae