Arrowleaf Coltsfoot, Arrowhead Coltsfoot
Petasites frigidus var. sagittatus
Synonym: Petasites sagittatus
Arrowhead coltsfoot as seen in a fen at the south side of Lost Lake, Okanogan Highlands Alliance property, Okanogan County, Washington.........July 12, 2015.
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Leaves of arrowhead coltsfoot as seen in wetlands at Goodrich Bog, Colville National Forest.........June 24, 2016.
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Close-up detalis of the upper and lower leaf surfaces of arrowhead coltsfoot as seen in a fen at the south side of Lost Lake, Okanogan Highlands Alliance property, Okanogan County, Washington.........July 12, 2015.
Paul Slichter