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Wetland and Aquatic Plants
of
Oklahoma
Interactive Keys: Emergent
Grasslike
Grasses (Poacaceae)
2.
Plants herbaceous
a. Inflorescence
with one floret per branch
i. Echinochloa spp.
ii. Muhlenbergia sp.
iii. Panicum spp.
iv. Paspalum spp.
a. flowering raceme winged
b. flowering raceme without wings
Barnyard grass (Echinochloa
spp.)
Note: The seeds (achenes) are eaten by numerous
bird
species.
Barnyardgrass (Echinochloa
crus-galli (L.) Beauv.)
Introduced
annual.
Click thumbnails to enlarge
NWI
status: FACW-
Link jungle rice (Echinochloa
colona (L.) Link)
Introduced annual.
Note: Seeds without a long awn protruding from the
tip.
NWI
status: OBL
Muhly (Muhlenbergia
sp.)
Sratchgrass
(Muhlenbergia
asperifolia (Nees & Meyen ex Trin.) Parodi)
Native prennial.
NWI
status: FACW
Panic-grass
(Panicum
spp.)
Fall
panicgrass (Panicum
dichotomiflorum Michx.)
Native
annual.
NWI
status: FACW
Redtop panicgrass (Panicum
rigidulum Bosc ex Nees)
Native
perennial
NWI
status: FACW
Warty panicgrass (Panicum
verrucosum Muhl.)
Native annual.
Note:
the seed has a rugged,
warty surface.
NWI
status: FACW
Knotgrass (Paspalum
spp.)
Flowering
raceme winged
Crowngrass (Paspalum
dissectum (L.) L.)
Native perennial.
Note: leaves are very narrow, less than 2 mm wide.
NWI
status: OBL
Horsetail paspalum (Paspalum
fluitans (Ell.) Kunth)
Native annual.
NWI
status: OBL
Flowering raceme without
wings
Knotgrass (Paspalum
distichum L.)
Native perennial.
NWI
status: OBL
Hairyseed paspalum (Paspalum
pubiflorum Rupr. ex Fourn.)
Native
perennial.
NWI
status: FACW
Last update: 2/27/04
Comments to : Bruce Hoagland
bhoagland@ou.edu
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