Rhamnus davurica Pall.

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Ada Hayden Herbarium
Iowa State University
Flora of Iowa
Rhamnus davurica Pallas
BOTANICAL
NEW YORK BOTANICAL GARDEN
Winneshiek County: Decorah Township T98N R8W Section 13 W2 NW4 NW4
A floodplain forest, dominated by Acer neaundo. occurs west of the Upper Iowa
River and east of a gravel road. It is located within a unit of the Upper Iowa
Access, owned by the Iowa Department of Natural Resources. The forest is
approximately 1.5 miles east of Decorah and across the road from Freeport
Marsh (owned by Luther College of Decorah). The forest is on the Paleozoic
Plateau.
Rhamnus davurica is infrequent above the ditch on the east side of the road
and on the edge of the floodplain forest. Ramets are up to 6 meters tall.
Rhamnus davurica is associated with Napaea dioica. Solidaao canadensis and
Vitis riparia.
Mark J. Leoschke 1174
Alan Branhagen
September 3,1990
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