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Family: rosaceae
Common name(s): Western Thorn Apple, Hawthorn, Douglas Thorntree, Black Haw
General resources
- Wikipedia. Online encyclopedia entry (if defined).
- Google images. Web search for photographs.
- GRIN. Taxonomical details, with common names, distribution, and synonyms.
Links for Crataegus douglasii
- Dave's Garden PlantFiles - Profile page with horticultural basics, and member-contributed photos and comments. (zones 5a-9b)
(4 photos)
- Las Pilitas Nursery - Catalog page about this California native, with description and horticultural basics. (zone 5 to 9)
(2 photos)
- Turner Photographics - Profile of wildflower of the US Pacific Northwest, with botanical description, habitat and distribution, and photo gallery.

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