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black hawthorn, Douglas' hawthorn

western large thorned hawthorn

Crataegus douglasii

Crataegus macracantha

Distribution
[WildflowerSearch map]
[BONAP county map]
[WildflowerSearch map]
[BONAP county map]
Discussion

[This taxon will be assessed for treatment in volume 3 of Flora of Oregon, which is not yet published.]

[This taxon will be assessed for treatment in volume 3 of Flora of Oregon, which is not yet published.]

Source in prep. in prep.
Sibling taxa
C. castlegarensis, C. chrysocarpa, C. gaylussacia, C. gaylussacia x Crataegus monogyna, C. macracantha, C. monogyna, C. phaenopyrum
C. castlegarensis, C. chrysocarpa, C. douglasii, C. gaylussacia, C. gaylussacia x Crataegus monogyna, C. monogyna, C. phaenopyrum
Subordinate taxa
C. macracantha var. occidentalis
Synonyms Crataegus columbiana, Crataegus columbiana var. columbiana, Crataegus douglasii var. douglasii
Web links