Vascular Plants - Hypericaceae - Hypericum:
Hypericum boreale
northern St. Johnswort 
Habit: herb
Duration: perennial
Origin: Introduced from eastern North America
Accepted Name:
Hypericum boreale (Britton) E.P. Bicknell

Treated in Flora of the PNW as:
(not treated in H&C)
Additional Resources:

PNW Herbaria Specimens: View list of all Hypericum boreale specimens in the Consortium of Pacific Northwest Herbaria database.

WTU Herbarium Specimens: View list of Hypericum boreale specimens in the WTU Herbarium database.

Washington Flora Checklist: Hypericum boreale treatment.

E-Flora BC: Hypericum boreale atlas page.

CalPhotos: Hypericum boreale images.

USDA Plants Database: Hypericum boreale.
Additional photographs of Hypericum boreale:
(click on a thumbnail to view larger photo)

Ben Legler, 2005

Ben Legler, 2005

Ben Legler, 2005

Ben Legler, 2005
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Washington Native Plant Society
WA Native Plant Society