Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Southern Marsh St. Johnswort at Vascular Plants of North Carolina.
Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Fabids: Malpighiales
Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)
Gray's Manual of Botany (Fernald, 1950)
Hypericum tubulosum var. tubulosum
Southern Marsh St. Johnswort
No pictures are available at this time.