St. John's Wort is a European perennial widely naturalized in North American fields, roadsides, and meadows, with yellow five-petaled flowers dotted with black glands along the margins. It is one of the most researched herbal plants for mild depression. Its seeds are consumed by many songbirds, and its flowers support specialist bees in the genus Macropis.
Habitat
Fields, roadsides, and disturbed areas across North America
Diet
Seeds eaten by songbirds; flowers support specialist Macropis bees
How common
Common
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