USGS - science for a changing world

Northern Prairie Wildlife Research Center

  Home About NPWRC Our Science Staff Employment Contacts Common Questions About the Site

Southern Wetland Flora

Field Office Guide to Plant Species

Marsh St. Johnswort
Triadenum virginicum (L.) Raf.

JPG -- Species Photo GIF -- Distribution Map

GIF -- Species Line Drawing

Previous Species -- Climbing-dogbane (Trachelospermum difforme)
Return to Species List -- Group 7
Next Species -- Brazilian Vervain (Verbena brasiliensis)

Accessibility FOIA Privacy Policies and Notices

Take Pride in America logo logo U.S. Department of the Interior | U.S. Geological Survey
Page Contact Information: Webmaster
Page Last Modified: Saturday, 02-Feb-2013 06:21:55 EST
Sioux Falls, SD [sdww54]