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Eupatorium mohrii Greene. Mohr's Eupatorium. Phen: Aug-Oct. Hab: Moist pine savannas, other wet habitats. Dist: Se. VA south to s. FL and west to TX.

Origin/Endemic status: Endemic

Taxonomy Comments: Like E. anomalum, E. mohrii is believed to be a triploid and tetraploid, apomictic derivative of the hybrid E. recurvans × rotundifolium; it is more widespread than E. recurvans sensu stricto. Inasmuch as it is now a separate lineage (as evidenced by a distinct distribution, more-or-less recognizable morphology, and phenologic separation), treatment as a separate taxon seems warranted.

Synonymy: = GW2, Va; < Eupatorium anomalum Nash – S; < Eupatorium mohrii Greene – C, Fl7, FNA21, K1, K3, K4, SE1, W, WH3, Schilling & Grubbs (2016); < Eupatorium recurvans Small – F, G, RAB

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Wetland Indicator Status:

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

Heliophily ?: 8

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image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Bruce A. Sorrie | Original Image ⭷


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