Taxa: Caltha palustris, Caltha palustris var. radicans (Caltha arctica, Caltha minor subsp. arctica, Caltha natans var. arctica, Caltha palustris subsp. arctica, Caltha palustris var. flabellifolia, Caltha palustris var. zetlandica, Caltha radicans, Caltha zetlandica), Caltha palustris subsp. palustris (C
... (show all)altha asarifolia, Caltha minor, Caltha natans var. asarifolia, Caltha palustris subsp. asarifolia, Caltha palustris var. asarifolia), Caltha palustris var. palustris (Caltha asarifolia, Caltha natans var. asarifolia, Caltha palustris subsp. asarifolia, Caltha palustris var. asarifolia, Caltha palustris var. flabellifolia)