[
Cinquefoils: The Genera
Comarum
,
Dasiphora
,
Drymocallis
, and
Potentilla
in the Cascade Mountains of Oregon and Washington
]
Biennial Cinquefoil
Potentilla biennis
Synonyms:
Potentilla
kelseyi
,
Potentilla
lateriflora
,
Tridophyllum
bienne
Paul Slichter