Caltha palustris L.
Synonym(s):
Caltha radicans T.F.Forst.
Caltha minor Mill.
Data source(s):
  • Walters, S.M., et al. 1989. The European Garden Flora: Vol.3. Dicotyledons (Part 1). Cambridge: Cambridge University Press xv-474 pp., p.336
  • Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada & Greenland. Vol.1 - checklist. Portland, Oregon: Timber Press Inc. lxi, 622 pp., p.501