Caltha
marsh-marigold
3 species
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Caltha biflora – broad-leaved marsh-marigold, twin-flowered marsh-marigold
Distribution: Occurring chiefly west of the Cascade crest in Washington; Alaska to California, east to western Nevada.
Habitat: Open wet area in subalpine and alpine marshes and seepages.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Distribution: Occurring chiefly west of the Cascade crest in Washington; Alaska to California, east to western Nevada.
Habitat: Open wet area in subalpine and alpine marshes and seepages.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Caltha leptosepala – elkslip
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to the western Montana.
Habitat: Wet places in subalpine and alpine regions.
Origin: Native
Flowers: May-August
Growth Duration: Perennial
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to the western Montana.
Habitat: Wet places in subalpine and alpine regions.
Origin: Native
Flowers: May-August
Growth Duration: Perennial
Caltha palustris – yellow marsh-marigold
Distribution: Coastal Alaska, south along the coast to Oregon
Habitat: Mostly in coastal bogs
Origin: Both native and introduced populations
Flowers: July-August
Growth Duration: Perennial
Distribution: Coastal Alaska, south along the coast to Oregon
Habitat: Mostly in coastal bogs
Origin: Both native and introduced populations
Flowers: July-August
Growth Duration: Perennial
