USDA Symbol: RAOC
USDA Native Status:
Western buttercup averages 1 ft. in height, with leaves either smooth or softly hairy. Basal leaves are much lobed and dissected; the stem leaves less so. Five to eight bright yellow petals surround a center of yellow stamens and pistils. The flowers are terminal on the stems.
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Bloom InformationBloom Color: Yellow
Bloom Time: Apr , May , Jun
DistributionUSA: AK , CA , NV , OR , WA , WY
Native Distribution: AK, s. through w. WA & OR to CA & NV; extends into s. Yukon
Native Habitat: Variety of moist, well-drained sites
Growing ConditionsLight Requirement: Part Shade
Soil Moisture: Moist
Soil Description: Moist, well-drained soil.
Conditions Comments: Not Available
Value to Beneficial InsectsSpecial Value to Native Bees
This information was provided by the Pollinator Program at The Xerces Society for Invertebrate Conservation.
Find Seed or Plants
Find seed sources for this species at the Native Seed Network.
From the National Organizations DirectoryAccording to the species list provided by Affiliate Organizations, this plant is on display at the following locations:
Native Seed Network - Corvallis, OR
Recommended Species Lists
Find native plant species by state. Each list contains commercially available species suitable for gardens and planned landscapes. Once you have selected a collection, you can browse the collection or search within it using the combination search.View Recommended Species page
Additional resourcesUSDA: Find Ranunculus occidentalis in USDA Plants
FNA: Find Ranunculus occidentalis in the Flora of North America (if available)
Google: Search Google for Ranunculus occidentalis
MetadataRecord Modified: 2007-01-01
Research By: TWC Staff