UW Burke Herbarium species comparison

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Crataegus monogyna

Crataegus tenuior

English hawthorn, one-seed hawthorn

slender red hawthorn

Crataegus monogyna

Crataegus tenuior
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. Grasslands, thickets, and forest openings.
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 north-central Washington; south-central British Columbia to north-central Washington.
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. okanaganensis, C. okennonii, C. phaenopyrum, C. phippsii
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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