Caltha leptosepala - White Marsh-marigold

Scientific name: Caltha leptosepala

Synonyms: Caltha biflora, Caltha biflora ssp. howellii, Caltha biflora var. rotundifolia. Caltha howellii, Caltha leptosepala ssp. biflora, Caltha leptosepala var. biflora, Caltha leptosepala ssp. howellii, Caltha leptosepala ssp. leptosepala, Caltha leptosepala var. leptosepala, Caltha leptosepala var. rotundifolia, Caltha leptosepala var. sulfurea, Psychrophila leptosepala

Common names: elkslip marshmarigold, slender-sepal marsh-marigold, white marsh marigold, white marsh-marigold, white marshmarigold