Coptis occidentalis, the Idaho goldthread, is a species of flowering plant native to western North America. It is a member of the buttercup family. This plant has also been known under the binomial Chrysocoptis occidentalis and the common name western goldthread.

Coptis occidentalis
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Ranunculales
Family: Ranunculaceae
Genus: Coptis
Species:
C. occidentalis
Binomial name
Coptis occidentalis
(Nutt.) Torr. & A.Gray

The Idaho goldthread is a spring flowering plant, usually found in moist coniferous forests.

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