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Ranunculus micranthus Nuttall. Subgenus: Auricomus. Section: Auricomus. Small-flowered Buttercup, Rock Buttercup. Phen: Mar-Jun. Hab: Rich bottomland forests, also upslope on mesic to dry forests and rock outcrops over mafic or calcareous substrates. Dist: MA west to SD, south to e. VA, c. NC, sc. TN, WV, OH, and OK.

Origin/Endemic status: Native

Synonymy: = Ar, C, FNA3, G, GrPl, GW2, Il, K1, K3, K4, NE, NY, Pa, RAB, S, S13, Tn, Va, W, WV, Keener (1976); = n/a – Tat; > Ranunculus micranthus Nutt. var. cymbalistes (Greene) Fernald – F; > Ranunculus micranthus Nutt. var. delitescens (Greene) Fernald – F; > Ranunculus micranthus Nutt. var. micranthus – F

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: FACU
  • Eastern Mountains and Piedmont: FACU
  • Great Plains: FACU
  • Midwest: FACU
  • Northcentral & Northeast: FACU

Heliophily ?: 3

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image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Alan Weakley source | Original Image ⭷
image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Paul Marcum source | Original Image ⭷

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