University of Wisconsin-Madison, Wisconsin State Herbarium (WIS)
v0239406WIS
765f2353-f9c6-4f65-9a93-57304fe62ee6
Panicum rigidulum subsp. rigidulum (Bosc ex Nees) LeBlond
Poaceae
Cochrane, Theodore S.; et al.
6045
1974-08-18
1974-08-18
United States, Wisconsin, Iowa, Avoca. E edge of the huge Avoca Prairie [NE of Avoca]. Seen earlier near mouth of Cruson Slough, sec. 3, Richland Co. [see text]
43.19311605 -90.28395499 +-285m.
T08N R02E sec05 SE4SW4;
Latitude/Longitude was derived from the Township, Range, Section location. This causes an imprecision.
Along path at edge of Ambrosia trifida field, atop riverbank in more/less damp open sand with some organic matter on top. Assoc.: Spartina pectinata, Mimulus ringens, Polygonum pensylvanicum, & Xanthium strumarium. One 12-stemmed clump. This species, very local in Wisconsin, was seen earlier to be abundant & appearing as if native in a slough with Leersia virginica spp., Carex, C. muskingumensis, Physostegia virginiana, Lysimachia sp. at edge of Betula nigra-Populus deltoides woods.