Dept. of Natural Resources: Volunteer rediscovers rare plant not seen in Wisconsin for over 100 years 

MADISON, Wis. – The Wisconsin Department of Natural Resources (DNR) today announced that a population of Maryland senna (Senna marilandica), a rare plant not seen in Wisconsin since 1911, was rediscovered in southwest Wisconsin. George Riggin, a trained volunteer for the DNR's Rare Plant Monitoring Program, and Bridget Rathman, DNR Habitat Biologist, spotted the plant.   This discov...