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
https://www.pnwflowers.com/photos/july/050709nooksackfen/0505314
Scirpus microcarpus; Petasites frigidus var. palmatus; Lysichiton americanus; Myosotis sp.; Cicuta...
Wildflowers of the Pacific Northwest
scirpus microcarpuspetasites frigiduslysichiton americanusvarpalmatus