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Maryland Checklist - Shetler, Orli, Wells & Beyersdorfer (2006) - all-time (Total: 139)
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Adventive
\n
Coastal Plain only
\n
Endangered (Federal)
\n
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\n
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\n
Exotic
\n
Extinct
\n
Extirpated
\n
Extralimital
\n
G1 (Highly globally rare)
\n
G1G2 (Highly globally rare)
\n
G2 (Globally rare)
\n
G2G3 (Globally rare)
\n
G3 (Globally rare/local)
\n
G3G4 (Globally vulnerable)
\n
G4
\n
G4G5
\n
G5
\n
Garrett only
\n
GH (No known extant occurrences)
\n
GU (Global status uncertain)
\n
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\n
In need of conservation
\n
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\n
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\n
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\n
Reviewable (MD/DCRC)
\n
S1 (Highly state rare)
\n
S1B (Highly state rare breeder)
\n
S1M (State rare migrant)
\n
S1N (State rare non-breeder)
\n
S1S2 (Highly state rare)
\n
S1S2B (State rare breeder)
\n
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)
\n
SHB (State historical breeder)
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SR (State rare)
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Status Uncertain
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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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Worcester only
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Photos
Common Name
Genus
Species
Records  
Category
Family
Order
Class
Kingdom
1
American Water-willow
Justicia
americana
138
Acanthus Family
Acanthaceae
Lamiales
Magnoliopsida
Plantae
2
Limestone Wild Petunia
Ruellia
strepens
34
Acanthus Family
Acanthaceae
Lamiales
Magnoliopsida
Plantae
3
Carolina Wild Petunia
Ruellia
caroliniensis
144
Acanthus Family
Acanthaceae
Lamiales
Magnoliopsida
Plantae
1
Slim Amaranth
Amaranthus
hybridus
59
Amaranth Family
Amaranthaceae
Caryophyllales
Magnoliopsida
Plantae
2
Juda's Bush
Iresine
rhizomatosa
8
Amaranth Family
Amaranthaceae
Caryophyllales
Magnoliopsida
Plantae
3
Prostrate Pigweed
Amaranthus
albus
14
Amaranth Family
Amaranthaceae
Caryophyllales
Magnoliopsida
Plantae
4
Spiny Amaranth
Amaranthus
spinosus
34
Amaranth Family
Amaranthaceae
Caryophyllales
Magnoliopsida
Plantae
1
Upland Boneset
Eupatorium
sessilifolium
var.
sessilifolium
46
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
2
Rock Goldenrod
Solidago
rupestris
10
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
3
Calico Aster
Symphyotrichum
lateriflorum
103
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
4
Bull Thistle
Cirsium
vulgare
349
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
5
Canada Lettuce
Lactuca
canadensis
117
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
6
Elm-leaved Goldenrod
Solidago
ulmifolia
var.
ulmifolia
27
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
7
Late Purple Aster
Symphyotrichum
patens
43
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
8
Gallant Soldier
Galinsoga
parviflora
9
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
9
Golden Tickseed
Coreopsis
tinctoria
57
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
10
Prickly Lettuce
Lactuca
serriola
83
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
11
Red-seeded Dandelion
Taraxacum
erythrospermum
247
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
12
Crooked-stemmed Aster
Symphyotrichum
prenanthoides
82
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
13
Rabbit-tobacco
Pseudognaphalium
obtusifolium
212
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
14
Carolina Elephant's-foot
Elephantopus
carolinianus
226
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
15
Oxeye Daisy
Leucanthemum
vulgare
295
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
16
American Yarrow
Achillea
borealis
740
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
17
Yellow Crownbeard
Verbesina
occidentalis
147
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
18
Spanish Needles
Bidens
bipinnata
309
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
19
Purple-headed Sneezeweed
Helenium
flexuosum
55
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
20
Annual Fleabane
Erigeron
annuus
191
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
21
Cankerweed
Nabalus
serpentarius
48
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
22
Annual Ragweed
Ambrosia
artemisiifolia
576
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
23
New York Ironweed
Vernonia
noveboracensis
415
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
24
Devil's Beggarticks
Bidens
frondosa
114
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
25
Woodland Sunflower
Helianthus
divaricatus
63
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
26
Robin's Plantain
Erigeron
pulchellus
var.
pulchellus
58
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
27
Cut-leaved Coneflower
Rudbeckia
laciniata
201
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
28
Plantain-leaved Pussytoes
Antennaria
plantaginifolia
233
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
29
Big Devil's Beggarticks
Bidens
vulgata
13
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
30
Jerusalem Artichoke
Helianthus
tuberosus
62
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
31
Tall Thoroughwort
Eupatorium
altissimum
40
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
32
Golden Ragwort
Packera
aurea
342
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
33
Lesser Burdock
Arctium
minus
166
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
34
Chicory
Cichorium
intybus
877
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
35
Rattlesnake Weed
Hieracium
venosum
438
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
36
Hyssop-leaved Thoroughwort
Eupatorium
hyssopifolium
var.
hyssopifolium
140
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
37
Wreath Goldenrod
Solidago
caesia
201
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
38
Annual Wormwood
Artemisia
annua
29
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
39
Field Thistle
Cirsium
discolor
218
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
40
Tall Blue Lettuce
Lactuca
biennis
42
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
41
Sweet-scented Joe Pye Weed
Eutrochium
purpureum
89
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
42
Zigzag Goldenrod
Solidago
flexicaulis
74
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
43
Common Blue Wood Aster
Symphyotrichum
cordifolium
33
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
44
Canadian Horseweed
Conyza
canadensis
var.
canadensis
408
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
45
Woodland Lettuce
Lactuca
floridana
84
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
46
Late-flowering Thoroughwort
Eupatorium
serotinum
463
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
47
Early Goldenrod
Solidago
juncea
126
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
48
White Panicle Aster
Symphyotrichum
lanceolatum
111
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
49
Small-flowered Hawksbeard
Crepis
pulchra
3
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
50
Common Nipplewort
Lapsana
communis
18
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
51
Racemose Goldenrod
Solidago
racemosa
25
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
52
New England Aster
Symphyotrichum
novae-angliae
52
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
53
Flat-topped Goldenrod
Euthamia
graminifolia
183
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
54
American Burnweed
Erechtites
hieraciifolius
433
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
55
White-flowered Leafcup
Polymnia
canadensis
33
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
56
White Snakeroot
Ageratina
altissima
var.
altissima
194
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
57
Spiny Sow-thistle
Sonchus
asper
161
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
58
Hairy White Oldfield Aster
Symphyotrichum
pilosum
111
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
59
Shaggy Soldier
Galinsoga
quadriradiata
164
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
60
Common Fleabane
Erigeron
philadelphicus
290
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
61
Black-eyed Susan
Rudbeckia
hirta
230
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
62
Great Ragweed
Ambrosia
trifida
var.
trifida
305
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
63
Wingstem
Verbesina
alternifolia
250
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
64
Midwestern Beggarticks
Bidens
aristosa
35
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
65
Common Sneezeweed
Helenium
autumnale
var.
autumnale
112
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
66
Prairie Fleabane
Erigeron
strigosus
var.
strigosus
75
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
67
Brown-eyed Susan
Rudbeckia
triloba
var.
triloba
16
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
68
Corn Chamomile
Anthemis
arvensis
41
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
69
Broad-leaved Ironweed
Vernonia
glauca
24
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
70
Nodding Beggarticks
Bidens
cernua
47
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
71
Thin-leaved Sunflower
Helianthus
decapetalus
74
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
72
Blue Mistflower
Conoclinium
coelestinum
461
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
73
White Goldenrod
Solidago
bicolor
200
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
74
Pale Indian Plantain
Arnoglossum
atriplicifolium
78
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
75
Rough Cocklebur
Xanthium
strumarium
305
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
76
Three-lobed Beggarticks
Bidens
tripartita
34
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
77
Few-leaved Sunflower
Helianthus
occidentalis
ssp.
occidentalis
5
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
78
Common Boneset
Eupatorium
perfoliatum
396
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
79
Canada Goldenrod
Solidago
canadensis
65
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
80
Common Wormwood
Artemisia
vulgaris
248
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
81
Garden Cornflower
Centaurea
cyanus
91
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
82
Smooth Oxeye
Heliopsis
helianthoides
var.
helianthoides
24
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
83
Round-leaved Thoroughwort
Eupatorium
rotundifolium
134
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
84
Giant Goldenrod
Solidago
gigantea
116
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
85
White Wood Aster
Eurybia
divaricata
211
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
86
Tall Thistle
Cirsium
altissimum
14
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
87
Virginia Dwarf Dandelion
Krigia
virginica
173
Aster Family
Asteraceae
Asterales
Magnoliopsida
Plantae
1
Wild Ginger
Asarum
canadense
528
Birthwort Family
Aristolochiaceae
Piperales
Magnoliopsida
Plantae
2
Virginia Snakeroot
Endodeca
serpentaria
58
Birthwort Family
Aristolochiaceae
Piperales
Magnoliopsida
Plantae
1
Spreading Chervil
Chaerophyllum
procumbens
37
Carrot Family
Apiaceae
Apiales
Magnoliopsida
Plantae
2
Poison Hemlock
Conium
maculatum
124
Carrot Family
Apiaceae
Apiales
Magnoliopsida
Plantae
3
Queen Anne's Lace
Daucus
carota
964
Carrot Family
Apiaceae
Apiales
Magnoliopsida
Plantae
4
Sweet Cicely
Osmorhiza
claytonii
137
Carrot Family
Apiaceae
Apiales
Magnoliopsida
Plantae
5
Wild Parsnip
Pastinaca
sativa
89
Carrot Family
Apiaceae
Apiales
Magnoliopsida
Plantae
6
Clustered Blacksnakeroot
Sanicula
odorata
103
Carrot Family
Apiaceae
Apiales
Magnoliopsida
Plantae
7
Spotted Water Hemlock
Cicuta
maculata
var.
maculata
278
Carrot Family
Apiaceae
Apiales
Magnoliopsida
Plantae
8
Canadian Honewort
Cryptotaenia
canadensis
267
Carrot Family
Apiaceae
Apiales
Magnoliopsida
Plantae
9
Harbinger of Spring
Erigenia
bulbosa
172
Carrot Family
Apiaceae
Apiales
Magnoliopsida
Plantae
10
Aniseroot
Osmorhiza
longistylis
173
Carrot Family
Apiaceae
Apiales
Magnoliopsida
Plantae
11
Canadian Blacksnakeroot
Sanicula
canadensis
var.
canadensis
146
Carrot Family
Apiaceae
Apiales
Magnoliopsida
Plantae
12
Golden Alexanders
Zizia
aurea
125
Carrot Family
Apiaceae
Apiales
Magnoliopsida
Plantae
1
Pawpaw
Asimina
triloba
973
Custard-apple Family
Annonaceae
Magnoliales
Magnoliopsida
Plantae
1
Red Maple
Acer
rubrum
1265
Maple Family
Sapindaceae
Sapindales
Magnoliopsida
Plantae
2
Sugar Maple
Acer
saccharum
var.
saccharum
109
Maple Family
Sapindaceae
Sapindales
Magnoliopsida
Plantae
3
Box Elder
Acer
negundo
799
Maple Family
Sapindaceae
Sapindales
Magnoliopsida
Plantae
4
Silver Maple
Acer
saccharinum
236
Maple Family
Sapindaceae
Sapindales
Magnoliopsida
Plantae
1
Swamp Milkweed
Asclepias
incarnata
474
Milkweed Family
Apocynaceae
Gentianales
Magnoliopsida
Plantae
2
Honey Vine
Cynanchum
laeve
106
Milkweed Family
Apocynaceae
Gentianales
Magnoliopsida
Plantae
3
Indian Hemp
Apocynum
cannabinum
1035
Milkweed Family
Apocynaceae
Gentianales
Magnoliopsida
Plantae
4
Four-leaved Milkweed
Asclepias
quadrifolia
78
Milkweed Family
Apocynaceae
Gentianales
Magnoliopsida
Plantae
5
Climbing Milkvine
Matelea
obliqua
32
Milkweed Family
Apocynaceae
Gentianales
Magnoliopsida
Plantae
1
Smooth Sumac
Rhus
glabra
189
Sumac Family
Anacardiaceae
Sapindales
Magnoliopsida
Plantae
2
Eastern Poison Ivy
Toxicodendron
radicans
1418
Sumac Family
Anacardiaceae
Sapindales
Magnoliopsida
Plantae
3
Winged Sumac
Rhus
copallinum
var.
copallinum
753
Sumac Family
Anacardiaceae
Sapindales
Magnoliopsida
Plantae
4
Staghorn Sumac
Rhus
typhina
293
Sumac Family
Anacardiaceae
Sapindales
Magnoliopsida
Plantae
5
Poison Sumac
Toxicodendron
vernix
56
Sumac Family
Anacardiaceae
Sapindales
Magnoliopsida
Plantae
1
Eastern Red Cedar
Juniperus
virginiana
var.
virginiana
892
Cypress Family
Cupressaceae
Pinales
Pinopsida
Plantae
1
Eastern Hemlock
Tsuga
canadensis
260
Pine Family
Pinaceae
Pinales
Pinopsida
Plantae
2
Virginia Pine
Pinus
virginiana
736
Pine Family
Pinaceae
Pinales
Pinopsida
Plantae
1
Ebony Spleenwort
Asplenium
platyneuron
884
Ferns
Aspleniaceae
Polypodiales
Polypodiopsida
Plantae
2
Maidenhair Spleenwort
Asplenium
trichomanes
ssp.
trichomanes
129
Ferns
Aspleniaceae
Polypodiales
Polypodiopsida
Plantae
3
Marginal Woodfern
Dryopteris
marginalis
214
Ferns
Dryopteridaceae
Polypodiales
Polypodiopsida
Plantae
4
Lowland Bladderfern
Cystopteris
protrusa
27
Ferns
Cystopteridaceae
Polypodiales
Polypodiopsida
Plantae
5
Ostrich Fern
Matteuccia
struthiopteris
144
Ferns
Onocleaceae
Polypodiales
Polypodiopsida
Plantae
6
Northern Maidenhair Fern
Adiantum
pedatum
232
Ferns
Pteridaceae
Polypodiales
Polypodiopsida
Plantae
7
Walking Fern
Asplenium
rhizophyllum
122
Ferns
Aspleniaceae
Polypodiales
Polypodiopsida
Plantae
8
Eastern Hayscented Fern
Dennstaedtia
punctilobula
359
Ferns
Dennstaedtiaceae
Polypodiales
Polypodiopsida
Plantae
9
Christmas Fern
Polystichum
acrostichoides
1771
Ferns
Dryopteridaceae
Polypodiales
Polypodiopsida
Plantae
10
Common Polypody
Polypodium
virginianum
313
Ferns
Polypodiaceae
Polypodiales
Polypodiopsida
Plantae
11
Upland Brittle Bladderfern
Cystopteris
tenuis
13
Ferns
Cystopteridaceae
Polypodiales
Polypodiopsida
Plantae
12
Blunt-lobed Woodsia
Woodsia
obtusa
ssp.
obtusa
54
Ferns
Woodsiaceae
Polypodiales
Polypodiopsida
Plantae
13
Cutleaf Grapefern
Sceptridium
dissectum
250
Ferns
Ophioglossaceae
Ophioglossales
Psilotopsida
Plantae