Petasites frigidus var. sagittatus

Binomial Name Petasites frigidus (L.) Fr. var. sagittatus (Pursh) Cherniawsky & R.J. Bayer Family Asteraceae Common Names arrowhead coltsfoot, arrowhead sweet coltsfoot, arrowleaf coltsfoot Eastern Washington Native Synonyms Conservation Status Notes Click on any image to enlarge it.

Hieracium glomeratum

Binomial Name Hieracium glomeratum Froel. Family Asteraceae Common Names yellow devil hawkweed Eastern Washington Introduced Synonyms None Conservation Status Notes Click on any image to enlarge it.

Sonchus arvensis ssp. uliginosus

Scientific Name Sonchus arvensis L. ssp. uliginosus (M. Bieb.) Nyman Family Asteraceae Common Names field sow-thistle, marsh sow thistle, wet ground sow thistle Eastern Washington European Conservation Status Notes Click on any image to enlarge it.