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Rudbeckia maxima Nuttall. Giant Coneflower. Phen: May-Jun. Hab: Pinelands, prairies, low areas in silty or sandy soils, also (eastwards) in disturbed areas (persistent from horticultural use). Dist: AR and se. OK south to LA and e. TX.

Origin/Endemic status: Native

Synonymy: = Ar, C, F, FNA21, K1, K3, K4, NcTx, S, SE1, Tx; = n/a – RAB

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: FAC (taxonomic lump from wetland indicator species)
  • Atlantic and Gulf Coastal Plain: FACW (taxonomic lump from wetland indicator species)
  • Eastern Mountains and Piedmont: FAC
  • Great Plains: FACW
  • Midwest: FAC

Heliophily ?: 9

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image of plant© Aidan Campos source | Original Image ⭷
image of plant© Sonnia Hill | Original Image ⭷


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