Panicum dichotomiflorum Michaux var. dichotomiflorum . Section: Dichotomiflora. Spreading Panicgrass, Fall Panicgrass. Phen: Mar-Nov. Hab: Marshy shores, exposed wet soils, alluvial deposits in floodplain forests, spoil banks, ditches. Dist: E. Canada west to BC, south to FL, TX, and Mexico; Bahamas (Sorrie & LeBlond 1997); West Indies (Cuba, Haiti, Guadelupe); widespread in s. Central America and South America.
Origin/Endemic status: Native
Taxonomy Comments: Plants with geniculate bases, enlarged lower nodes and sheaths, and panicles with included peduncles and divergent branches have been recognized as var. geniculatum (Alph. Wood) Fernald.
Synonymy ⓘ: = FlGr, K4, NE; = Panicum dichotomiflorum Michx. ssp. dichotomiflorum – Ar, NY; < Panicum dichotomiflorum Michx. – C, ETx1, GW1, Mex, Mi, NcTx, Pa, RAB, S, Tat, Tn, Tx, WV, Lelong (1986); > Panicum dichotomiflorum Michx. – SFla; < Panicum dichotomiflorum Michx. ssp. dichotomiflorum – Zuloaga & Aliscioni (2023), Zuloaga (2022); > Panicum dichotomiflorum Michx. ssp. dichotomiflorum – FNA25; Panicum dichotomiflorum Michx. var. dichotomiflorum; < Panicum dichotomiflorum Michx. var. dichotomiflorum – Va; > Panicum dichotomiflorum Michx. var. dichotomiflorum – F, G, Il, K1, K3, W; >< Panicum dichotomiflorum Michx. var. dichotomiflorum – HC; > Panicum dichotomiflorum Michx. var. geniculatum (Wood) Fernald – F, G, Il, W; > Panicum lacustre Hitchc. & Ekman – FNA25, HC, K1, K3, SFla
Links to other floras: > Panicum lacustre - FNA25; > Panicum dichotomiflorum ssp. dichotomiflorum - FNA25
Wetland Indicator Status:
Heliophily ⓘ: 8
See something wrong or missing on about Panicum dichotomiflorum var. dichotomiflorum? Let us know here: (Please include your name and email if at all complicated so we can clarify if needed.) We greatly appreciate feedback, and will include updates from you in our next webapp update, which can take a few months.