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Poaceae
Panicum

not marked as a favorite taxon Panicum dichotomiflorum Michaux var. dichotomiflorum. Common name: Spreading Panicgrass, Fall Panicgrass. Phenology: Mar-Nov. Habitat: Marshy shores, exposed wet soils, alluvial deposits in floodplain forests, spoil banks, ditches. Distribution: 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.

Glossary (beta!)

Section: Dichotomiflora.

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, W; >< Panicum dichotomiflorum Michx. var. dichotomiflorum — HC; > Panicum dichotomiflorum Michx. var. geniculatum (Wood) Fernald — F, G, Il, W; > Panicum lacustre Hitchc. & Ekman — FNA25, HC, SFla; Panicum dichotomiflorum Michx. Basionym: Panicum dichotomiflorum Michx. 1803

Links to other floras: > Panicum lacustre - FNA25; > Panicum dichotomiflorum ssp. dichotomiflorum - FNA25

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: FACW (taxonomic lump from wetland indicator species)
  • Eastern Mountains and Piedmont: FACW (name change)
  • Great Plains: FAC (taxonomic split from wetland indicator species)
  • Midwest: FACW (taxonomic split from wetland indicator species)
  • Northcentral & Northeast: FACW (taxonomic split from wetland indicator species)

Heliophily ⓘ: 8

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image #1 of Panicum dichotomiflorum var. dichotomiflorum© Keith Bradley | Original Image ⭷
image #2 of Panicum dichotomiflorum var. dichotomiflorum© Lowell Urbatsch | Original Image ⭷
image #3 of Panicum dichotomiflorum var. dichotomiflorum© Lowell Urbatsch, spikelet | Original Image ⭷
image #4 of Panicum dichotomiflorum var. dichotomiflorum© Eric M Powell, some rights reserved (CC BY-NC), uploaded by Eric M Powell source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image #5 of Panicum dichotomiflorum var. dichotomiflorum© Nate Hartley, some rights reserved (CC BY-NC), uploaded by Nate Hartley source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image #6 of Panicum dichotomiflorum var. dichotomiflorum© Eric M Powell, some rights reserved (CC BY-NC), uploaded by Eric M Powell source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image #7 of Panicum dichotomiflorum var. dichotomiflorum© Nate Hartley, some rights reserved (CC BY-NC), uploaded by Nate Hartley source CC-BY-NC, permission granted to NCBG | Original Image ⭷

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Horticultural Information

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