dcsimg
2005 California Academy of Sciences   cc-by-nc-sa-3.0

Crataegus douglasii (Black Hawthorn) is a species of shrub in the family Rosaceae. They have a self-supporting growth form. They are associated with freshwater habitat. They are native to Canada, The Contiguous United States, Alaska, United States, North America, and Western North America. They have simple, broad leaves and white flowers. Flowers are visited by Butterflies and moths and bees & apoid Wasps. Individuals can grow to 15 feet.

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EOL has data for 73 attributes, including:

Known occurrences, collected specimens and observations of black hawthorn. View this species on GBIF