Polypogon viridis
Polypogon elongatus
beardless rabbit's-foot grass, water beard grass, water bentgrass
southern beardgrass, streambank rabbitsfoot grass
10-90 cm, sometimes decumbent and rooting at the lower nodes.
to 100 cm, erect or decumbent at the base.
glabrous, smooth;
ligules to 5 mm;
blades 2-13 cm long, 1-6 mm wide.
smooth, glabrous;
ligules 4-8 mm, scabridulous, lacerate;
blades 10-30 cm long, 4-15 mm wide.
2-10 cm, ovate-oblong to pyramidal, dense but interrupted, pale green to purplish;
pedicels not developed;
stipes 0.1-0.6 mm.
10-30 cm, erect or nodding, interrupted, dense;
pedicels not developed;
stipes 1.5-2.5 mm.
1.5-2 mm, scabrous on the back and keel, apices obtuse or truncate, unawned;
lemmas about 1 mm, erose, unawned;
paleas subequal to the lemmas;
anthers 0.3-0.5 mm.
3-5 mm, hispidulous, tapering from about midlength to the acute apices, apices unlobed, awned, awns 1-3 mm;
lemmas about 1.5 mm, awned, awns 1-2 mm, arising from above midlength;
paleas 1/2 - 2/3 as long as the lemmas;
anthers 0.5-0.7 mm.
= 28, 42.
= 28, 56.
Polypogon viridis
Polypogon elongatus
Polypogon viridis grows in mesic habitats associated with rivers, streams, and irrigation ditches. It is native from southern Europe to Pakistan, but is now established in the Flora region, particularly the southwestern United States. Records from the Atlantic coast are based on plants found on ballast dumps; there have been no recent collections from these locations.
In Europe, Polypogon viridis hybridizes with P. monspeliensis, forming P. xadscendens Guss. ex Bertol.; no such hybrids have been reported from the Flora region.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
Polypogon elongatus is native from Mexico to Argentina. It now grows at scattered locations in the Flora region, primarily in California.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
- Local floras:
BC, 
CA, 
OR, 
WA - Local Web sites: CalFlora, CalPhotos,
Flora NW, 
Go Botany, 
PNW Herbaria 
WildflowerSearch
iNaturalist (observations)
USDA Plants Database- LBJ Wildflower Center
- SEINet
- Plants of the World Online
- Encyclopedia of Life
- Wikipedia
- Google Image Search
