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OAC-BIO Herbarium. University of Guelph, Canada. Year: 2012.   cc-by-nc-sa-3.0

Hypericum prolificum (Shrubby St. Johnswort) is a species of shrub in the family Hypericaceae. It has a self-supporting growth form. It is native to Canada, the contiguous United States, North America, and eastern north america. Shrubby St. Johnswort has simple, broad leaves and yellow flowers. It is a photoautotroph. Individuals can grow to 0.99 m.

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EOL has data for 65 attributes, including:

Known occurrences, collected specimens and observations of shrubby St. Johnswort. View this species on GBIF