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Cardamine rotundifolia Michaux. American Bittercress, Mountain Watercress. Phen: Apr-May; Jun-Jul. Hab: Seeps, streambanks, swampy depressions, sand and gravel bars in creeks. Dist: A Central/Southern Appalachian endemic: n. DE, PA, and w. NY, west to OH and KY, south to w. NC (records from n. GA are misidentified).

ID notes: Characteristically, C. rotundifolia branches from the upper nodes while in flower, the branches rooting down and proliferating vegetatively.

Origin/Endemic status: Native

Synonymy ⓘ: = C, F, FNA7, G, GW2, K1, K3, K4, NY, Pa, RAB, S, S13, Tat, Tn, Va, W, Al-Shehbaz (1988a), Rollins (1993)

Links to other floras: = Cardamine rotundifolia - FNA7

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Wetland Indicator Status:

  • Eastern Mountains and Piedmont: OBL
  • Midwest: OBL
  • Northcentral & Northeast: OBL

Heliophily ⓘ: 5

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image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Erik Danielson source | Original Image ⭷
image of plant© Erik Danielson source | Original Image ⭷
image of plant© Erik Danielson source | Original Image ⭷
image of plant© Erik Danielson source | Original Image ⭷

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