Silphium perfoliatum var. perfoliatum
Nee, M. 2477
United States, Wisconsin, Richland, Behind Ewers Flood Control Dam (about 10 years old).
43.332429 -90.57399596 +-285m. 70213
T10N R02W sec23
Latitude/Longitude was derived from the Township, Range, Section location. This causes an imprecision.
Low open weedy area near base of dam. With permanent small creek and small ponds, but area only covered by water after heavy rains.With Polygonum spp., Bidens spp., Phalaris arundinacea, Echinochloa sp., both weeds and native weedy. species of low prairies and marshes.
Record Id: 2d6c690c-7d81-44c2-a2dd-406f561d3f8c
Occurrence ID (GUID):