4 species
1 subspecies and varieties
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Corydalis aquae-gelidaemarsh corydalis
Distribution: In the Cascades in Clackamas and Multnomah Counties, Oregon
Habitat: Wet places of shaded forests.
Origin: Native
Flowers: June - August
Growth Duration: Perennial
Corydalis aureagolden corydalis, scrambled eggs
Distribution: Occurring chiefly east of the Cascades in Washington; widely distributed throughout much of North America except southeastern U.S.
Habitat: In varied habitats, from moist to dry and well-drained soil.
Origin: Native
Flowers: May-August
Growth Duration: Annual, Biennial
ssp. aurea – golden corydalis, scrambled eggs
Corydalis luteayellow corydalis
Origin: Introduced
Corydalis scouleriScouler's fumewort
Distribution: West of the Cascades, British Columbia to northern Oregon
Habitat: Moist soil in shade, low elevations, from the coast to the foothills
Origin: Native
Flowers: April - July
Growth Duration: Perennial