https://plantlust.com/plants/5216/petasites-frigidus-var-palmatus/
Petasites frigidus var. palmatus | Alpine Butterbur | Arctic Butterbur | Sweet Coltsfoot | plant...
Petasites frigidus var. palmatus is a broadleaf deciduous perennial groundcover aquatic with green foliage. In spring white flowers emerge. Grows well with...
arctic sweet coltsfootpetasites frigidusvarpalmatusalpine