Photo: Caltha leptosepala 0.
Botanical name:
Flowering stand. Mt. Hood Nat'l Forest, OR, US. Wild. 1998-06-01.
Caltha leptosepala DC.
Engl.: white marsh marigold, alpine white marsh-marigold, eastern marshmarigold, elkslip, two-flowered white marsh marigold.
Deu.: Amerikanische Dotterblume.
Bot. syn.: Caltha biflora DC., Caltha howellii Huth