| Scientific Name | Petasites frigidus (L.) Fr. var. palmatus (Aiton) Cronquist |
| Family | Asteraceae |
| Common Names | western coltsfoot |
| Eastern Washington | Native |
| Conservation Status | |
| Notes |
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Along Hwy 123 in Mt Ranier Pk; 46 50 057N 121 31 951W – Lewis Co., WA – 6/21/2009 
Along Hwy 123 in Mt Ranier Pk; 46 50 057N 121 31 951W – Lewis Co., WA – 6/21/2009 
Location withheld; Spokane Co., WA; 4/9/2006 
Location withheld; Spokane Co., WA; 4/9/2006 
Location withheld; Spokane Co., WA; 4/9/2006 
Along Hwy 123 in Mt Ranier Pk; 46 50 057N 121 31 951W – Lewis Co., WA – 6/21/2009