Glyceria grandis S. Watson var. grandis . American Mannagrass. Phen: Jul. Hab: Wet, mucky soils of open wetlands. Dist: NS west to AK, south to VA, IA, NM, and OR.
Origin/Endemic status: Native
Syn: = FNA24, K1, K3, K4, NE, NY, Va; = Panicularia grandis – S; < Glyceria grandis – C, F, G, GW1, HC, Il, Mi, Pa, WV, Tucker (1996)
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