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Lewis and Clark
SHOWING RECORD: 6 of 33   Black Hawthorn
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image: Black Hawthorn
Photograph from Lewis and Clark Herbarium/Academy of Natural Sciences
Black Hawthorn
(River Hawthorn)

Crataegus douglasii



First Noted by Expedition
April 29, 1806, along the Walla Walla River, Washington.
 

Description
Small tree with compact, rounded crown of stout, spreading branches; often a thicket-forming shrub. Flowers 0.5 in (1.3 cm) wide; with five white petals. Height: 30 ft (9 m). Diameter: 1 ft (0.3 m).
 

Habitat
Moist soils of mountain streams and valleys; with sagebrush and conifers.
 

Range
Local in southern Alaska and from British Columbia south to central California, east to New Mexico, and north to southern Saskatchewan; also local near Lake Superior; near sea level in north; to 6,000 ft (1,829 m) in south.
 

Note
Species information from enature.com
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