Author | (Torrey) Church | |
Distribution | Scattered localities in the Coastal Plain and Mountains. Absent from the Piedmont.
N.S. to MN, south to NC and northwestern GA. | |
Abundance | Rare and local in the Coastal Plain, but can be numerous where found; extremely rare in the Mountains. This is a Significantly Rare species. | |
Habitat | In shallow water of sloughs, old oxbows, and back-up channels on floodplains; cypress-gum swamps, beaver ponds. May be stranded on the muddy substrate during drought. | |
Phenology | Flowering and fruiting June-July. | |
Identification | Stems of Pale False Mannagrass grow up to 2.5 feet long, but are lazy and root at the lower (at least) nodes. Upper leaves float on the surface. Upper portions of the stems emerge from the water surface and produce terminal inflorescences. Each spikelet has 2-6 florets; the lemmas with prominent veins. | |
Taxonomic Comments | A synonym is Glyceria pallida.
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Other Common Name(s) | Pale Mannagrass. Were the species still retained in the genus Glyceria, this website would use this common name; most websites and references use Pale False Mannagrass for this species now. | |
State Rank | S1 [S1S2] | |
Global Rank | G5 | |
State Status | SR-P | |
US Status | | |
USACE-agcp | OBL link |
USACE-emp | OBL link |