UW Burke Herbarium species comparison

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Crataegus monogyna

Crataegus okanaganensis

English hawthorn, one-seed hawthorn

Okanagan hawthorn

Crataegus monogyna

Crataegus okanaganensis
Flowering time April-June May-July
Habitat Roadsides, fields, pastures, meadows, thickets, and forest edge and understory at low elevations, often associated with disturbance. Seeds readily dispersed by birds. Mesic thickets, riparian zones, and shorelines.
Distribution
Occurring chiefly west of the Cascades crest in Washington; southern British Columbia to California, east to Montana, also in the Great Lakes region and eastern North America.
[WildflowerSearch map]
[BONAP county map]
Occurring east of the Cascades crest in Washington in northern Washington; southern British Columbia to northern Washington, east to northern Idaho.
[BONAP county map]
Origin Introduced from Europe Native
Conservation status Not of concern Not of concern
Sibling taxa
C. castlegarensis, C. chrysocarpa, C. ×cogswellii, C. douglasii, C. gaylussacia, C. laevigata, C. macracantha, C. okanaganensis, C. okennonii, C. phaenopyrum, C. phippsii, C. tenuior
C. castlegarensis, C. chrysocarpa, C. ×cogswellii, C. douglasii, C. gaylussacia, C. laevigata, C. macracantha, C. monogyna, C. okennonii, C. phaenopyrum, C. phippsii, C. tenuior
Subordinate taxa
C. monogyna var. monogyna
Web links 
Unless otherwise noted, all data comes from the University of Washington's Burke Herbarium.



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