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Adventive
\n
Coastal Plain only
\n
Endangered (Federal)
\n
Endangered (MD)
\n
Excluded
\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
Hybrid
\n
In need of conservation
\n
Invasive
\n
Nativity Uncertain
\n
Non-native
\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)
\n
S2B (State rare breeder)
\n
S2B (State rare breeder)
\n
S2S3 (State rare)
\n
S2S3B (State rare breeder)
\n
S3 (Watch list)
\n
S3B (State watchlist breeder)
\n
S3S4
\n
S3S4B (State watchlist breeder)
\n
S4SE
\n
SH (Historical)
\n
SHB (State historical breeder)
\n
SR (State rare)
\n
Status Uncertain
\n
SUB (Status uncertain breeder)
\n
SXB (State extirpated breeder)
\n
SXM (State extirpated migrant)
\n
Threatened (Federal)
\n
Threatened (MD)
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Undescribed
\n
Vulnerable
\n
Waif
\n
Western MD only
\n
Worcester only
\n
Photos
Common Name
Genus
Species
Records  
Category
Family
Order
Class
Kingdom
1
Churchmouse Threeawn
Aristida
dichotoma
27
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
2
Woods Bluegrass
Poa
nemoralis
6
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
3
Low Woollygrass
Dasyochloa
pulchella
3
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
4
Giant Cutgrass
Zizaniopsis
miliacea
8
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
5
Green Spangletop
Diplachne
dubia
3
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
6
Coastal Lovegrass
Eragrostis
refracta
20
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
7
Beaked Panicgrass
Coleataenia
anceps
ssp.
anceps
202
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
8
Soft Brome
Bromus
hordeaceus
38
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
9
Slender Indiangrass
Sorghastrum
elliottii
14
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
10
Rough Bluegrass
Poa
trivialis
42
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
11
Obovate Beakgrain
Diarrhena
obovata
11
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
12
Darnel Ryegrass
Lolium
temulentum
2
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
13
Seaside Threeawn
Aristida
tuberculosa
16
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
14
Latin American Crowngrass
Paspalum
convexum
3
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
15
Barbed Goatgrass
Aegilops
triuncialis
4
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
16
Arctic Brome
Bromus
kalmii
18
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
17
Madagascar Dropseed
Sporobolus
coromandelianus
2
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
18
Hairyflower Lovegrass
Eragrostis
trichophora
5
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
19
Annual Rabbitsfoot Grass
Polypogon
monspeliensis
68
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
20
Fall Crabgrass
Digitaria
cognata
5
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
21
American Milletgrass
Milium
effusum
8
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
22
Common Wild Oat
Avena
fatua
3
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
23
Circular Paspalum
Paspalum
orbiculatum
3
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
24
Colonial Bentgrass
Agrostis
capillaris
14
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
25
Hairy Woodland Brome
Bromus
pubescens
34
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
26
Puffsheath Dropseed
Sporobolus
neglectus
3
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
27
Tapertip Cutgrass
Eriochloa
acuminata
3
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
28
Mediterranean Hairgrass
Rostraria
cristata
2
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
29
Viper Grass
Dinebra
retroflexa
2
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
30
Scratch Grass
Muhlenbergia
asperifolia
2
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
31
Pitted Beardgrass
Bothriochloa
pertusa
2
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
32
Ricegrass Paspalum
Paspalum
scrobiculatum
2
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
33
Silver Hairgrass
Aira
caryophyllea
59
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
34
Red Brome
Bromus
rubens
2
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
35
Seashore Dropseed
Sporobolus
virginicus
3
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
36
Hard Fescue
Festuca
trachyphylla
8
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
37
Shortbeard Plumegrass
Erianthus
brevibarbis
var.
contortus
23
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
38
Gulf Cockspur Grass
Echinochloa
crus-pavonis
1
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
39
Inland Muhly
Muhlenbergia
glabriflora
1
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
40
Sixweeks Grama
Bouteloua
barbata
5
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
41
Annual Canarygrass
Phalaris
canariensis
2
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
42
Summergrass
Alloteropsis
cimicina
2
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
43
Bluejoint
Calamagrostis
canadensis
ssp.
canadensis
12
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
44
Stalked Bur Grass
Tragus
racemosus
7
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
45
Clustered Fescue
Festuca
paradoxa
11
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
46
False Melic
Schizachne
purpurascens
9
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
47
Riverbank Wildrye
Elymus
riparius
14
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
48
New Jersey Muhly
Muhlenbergia
torreyana
1
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
49
Northern Shorthusk
Brachyelytrum
aristosum
6
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
50
Hood Canarygrass
Phalaris
paradoxa
2
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
51
Water Foxtail
Alopecurus
geniculatus
5
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
52
Drooping Timber Bamboo
Phyllostachys
flexuosa
17
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
53
Mat Sandbur
Cenchrus
longispinus
39
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
54
Liveseed Grass
Urochloa
panicoides
5
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
55
Shortleaf Skeletongrass
Gymnopogon
brevifolius
25
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
56
Mediterranean Lovegrass
Eragrostis
barrelieri
5
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
57
Wavy-leaved Basketgrass
Oplismenus
undulatifolius
197
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
58
Field Brome
Bromus
arvensis
12
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
59
Grisebach's Bristlegrass
Setaria
grisebachii
3
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
60
Meadow Foxtail
Alopecurus
pratensis
7
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
61
Smilograss
Piptatherum
miliaceum
2
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
62
Crested Dogstail Grass
Cynosurus
cristatus
1
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
63
Broadleaf Signalgrass
Urochloa
platyphylla
70
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
64
Seaside Barley
Hordeum
marinum
4
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
65
Mexican Lovegrass
Eragrostis
mexicana
ssp.
virescens
2
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
66
Little Millet
Panicum
sumatrense
2
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
67
Rescue Brome
Bromus
catharticus
5
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
68
Marsh Bristlegrass
Setaria
parviflora
60
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
69
Loose Silkybent
Apera
spica-venti
2
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
70
Blackseed Speargrass
Piptochaetium
avenaceum
47
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
71
Sudan Crowfoot Grass
Dactyloctenium
geminatum
3
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
72
Sprawling Signalgrass
Urochloa
reptans
3
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
73
Indian Murainagrass
Ischaemum
indicum
1
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
74
Little Lovegrass
Eragrostis
minor
8
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
75
Curved Sicklegrass
Parapholis
incurva
8
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
76
Japanese Brome
Bromus
japonicus
21
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
77
Composite Dropseed
Sporobolus
compositus
var.
compositus
6
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
78
Sixweeks Threeawn
Aristida
adscensionis
4
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
79
Bulbous Bluegrass
Poa
bulbosa
45
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
80
Downy Oatgrass
Danthonia
sericea
37
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
81
Squirreltail Fescue
Vulpia
sciurea
7
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
82
Catchfly Grass
Leersia
lenticularis
7
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
83
Dallisgrass
Paspalum
dilatatum
196
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
84
Velvet Bentgrass
Agrostis
canina
1
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
85
Nottoway Valley Brome
Bromus
nottowayanus
17
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
86
Smutgrass
Sporobolus
indicus
119
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
87
Chinese Lovegrass
Eragrostis
unioloides
3
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
88
Arrow-feather Threeawn
Aristida
purpurascens
34
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
89
Kentucky Bluegrass
Poa
pratensis
ssp.
pratensis
32
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
90
Tufted Hairgrass
Deschampsia
cespitosa
ssp.
glauca
9
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
91
Malabar Spangletop
Diplachne
fusca
5
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
92
Hayseed Paspalum
Paspalum
pubiflorum
var.
glabrum
19
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
93
Elliott's Bentgrass
Agrostis
elliottiana
3
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
94
Bald Brome
Bromus
racemosus
32
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
95
Whorled Dropseed
Sporobolus
pyramidatus
4
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
96
Louisiana Cutgrass
Eriochloa
punctata
3
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
97
Oldpasture Bluegrass
Poa
saltuensis
7
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
98
Woolly Witchgrass
Dichanthelium
scabriusculum
6
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
99
Rose Natal Grass
Melinis
repens
6
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
100
Giant Reed
Arundo
donax
3
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
101
Pearl Millet
Cenchrus
spicatus
8
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
102
Yellow Hairgrass
Aira
praecox
13
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
103
Poverty Brome
Bromus
sterilis
27
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
104
Christmas Grass
Themeda
arguens
2
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
105
Slender Fescue
Festuca
filiformis
5
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
106
Spreading Alkaligrass
Puccinellia
distans
1
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
107
Indian Crabgrass
Digitaria
longiflora
1
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
108
Sweet Signalgrass
Moorochloa
eruciformis
6
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
109
Big Carpetgrass
Axonopus
furcatus
11
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
110
Carolina Canarygrass
Phalaris
caroliniana
1
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
111
Short-awn Foxtail
Alopecurus
aequalis
7
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
112
Southern Sandbur
Cenchrus
echinatus
2
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
113
Para Grass
Urochloa
mutica
2
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
114
Water Mannagrass
Glyceria
fluitans
1
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
115
Silver Plumegrass
Erianthus
alopecuroides
9
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
116
Jungle Rice
Echinochloa
colona
7
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
117
Wirestem Muhly
Muhlenbergia
frondosa
34
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
118
Needle Grama
Bouteloua
aristidoides
2
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
119
Italian Timothy
Phleum
subulatum
3
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
120
Slender Meadow Foxtail
Alopecurus
myosuroides
5
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
121
Japanese Timber Bamboo
Phyllostachys
bambusoides
79
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
122
Tumble Windmill Grass
Chloris
verticillata
8
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
123
Plantain Signalgrass
Urochloa
plantaginea
1
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
124
Pitscale Grass
Hackelochloa
granularis
2
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
125
American Cupscale
Sacciolepis
striata
12
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
126
Canada Wildrye
Elymus
canadensis
8
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
127
No Common Name
Muhlenbergia
racemosa
1
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
128
Sideoats Grama
Bouteloua
curtipendula
67
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
129
Sweet Vernalgrass
Anthoxanthum
odoratum
414
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
130
Blackseed Ricegrass
Patis
racemosa
5
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
131
Egyptian Grass
Dactyloctenium
aegyptium
9
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
132
Dixie Signalgrass
Urochloa
ramosa
6
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
133
Mouse Barley
Hordeum
murinum
2
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
134
Common Hardgrass
Sclerochloa
dura
7
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
135
Nine-awn Pappusgrass
Enneapogon
desvauxii
3
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
136
Bog Muhly
Muhlenbergia
uniflora
6
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
137
Little Quakinggrass
Briza
minor
17
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
138
Mauritian Grass
Apluda
mutica
3
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
139
Grove Bluegrass
Poa
alsodes
12
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
140
Flattened Oatgrass
Danthonia
compressa
23
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
141
Texas Signalgrass
Urochloa
texana
32
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
142
Ribbed Murainagrass
Ischaemum
rugosum
4
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
143
Cylinderflower Lovegrass
Eragrostis
cylindriflora
2
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
144
Swamp Panicgrass
Panicum
paludosum
2
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
145
Awnless Brome
Bromus
briziformis
4
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
146
Giant Bristlegrass
Setaria
magna
70
Grasses
Poaceae
Poales
Magnoliopsida
Plantae
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