Ribes americanum Mill.

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BOTANICAL
NEW YORK BOTANICAL GARDEN
03769066
Ada Hayden Herbarium
Iowa State University
Flora of Iowa
Ribes americanum P. Miller
Buchanan County: Madison Township T90N R7W Section 9 SW4 SE4 SW4
The site is approximately 2.3 miles east of the town of Aurora. A 15+ acre
disturbed rich fen occurs east and south of gravel roads. It is about 0.5 miles
southwest of the South Fork of the Maquoketa River. This fen has probably
been grazed in the past. The soil here is Palms muck, 1 to 4 percent slopes
(221), a Terric Medisaprist. It formed in sapric material 18 to 52 inches deep
over glacial till or alluvial sediments. The fen is on the Iowan Surface.
Ribes americanum is up to 1.3 meters tall and is infrequent in the fen.
flowers are greenish-yellow. Ribes americanum is associated with
Calamaarostis canadensis. Caltha palustris and Carex strict a.
The
Mark J. Leoschke 1056	May 19,1990
Collected for the Iowa Department of Natural Resources
03769066