field image of Hypericum perforatum COMMON ST. JOHN'S WORT at the James Woodworth Prairie Preserve - two lone specimens at full bloom showing stem and leaf detail
Herbarium Blackwellianum emendatum et auctum, id est, Elisabethae Blackwell collectio stirpium.Norimbergae : Typis Io. Iosephi Fleischmanni, 1750-1773..biodiversitylibrary.org/page/291049
close up image of Hypericum perforatum COMMON ST. JOHN'S WORT at the James Woodworth Prairie Preserve - a flower head showing buds, flowers at full bloom, and flowers where petals start to curl as they die back (and dry up, but do not drop)This species is featured in the soon-to-be-published book, Elusive Splendor: Wildflowers of the Tall Grass Prairie. Contact frank@black-sweater-art.com for more information.