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Lewis and Clark
SHOWING RECORD: 17 of 47   False Buckthorn
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image: False Buckthorn
Photograph from Lewis and Clark Herbarium/Academy of Natural Sciences
False Buckthorn
(Cascara)

Frangula purshiana



First Noted by Expedition
May 29, 1806, at Camp Chopunnish, Idaho.
 

Description
Large shrub or small tree with short trunk and crown of many stout, upright branches. Height: 30 ft (9 m). Diameter: 6-12 in (15-30 cm).
 

Habitat
Moist soils in open areas, along roadsides, and in understory of coniferous and mixed evergreen forests.
 

Range
Southern British Columbia south to northern California; also Rocky Mountain region south to northern Idaho and western Montana; to 5,000 ft (1,524 m).
 

Note
The berries are poisonous to humans if eaten, but are consumed by songbirds and bears, raccoons, and other mammals; hence this species is sometimes called "bearberry."

Species information from enature.com
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