Helianthus grosseserratus M.Martens
Determiner: Cochrane, Theodore S. (2006-11-14)
Black, Merel R. 06-12
United States, Wisconsin, Dane, 2.5mi (by road) NNW of Daleyville on S-side of CTH Z between Barber Rd. and CTH E just W of drainage ditch. On boundry line between Perry and Blue Mounds Twp. in Perry Twp.
42.9440167° N, 89.8280833° W; T05N R06E sec06
Roadside ditch at the edge of a wetland that has been ditched and cultivated but idle now for at least 10 years. With willows, Polygonum amphibium, several Helianthius spp. Full sun, mucky soil.
Many plants together ranging from 8'-10' tall. Several heads in a large cluster. Roots with small tubers. Stem greenish, smooth. Sheet 4 of 4.
Record Id: f0ef0917-c6f8-4c17-9564-2f88eee1a207
Occurrence ID (GUID):