Distribution of Rough Cinquefoil (Potentilla norvegica) specimens in the ISM Herbarium |
Potentilla norvegica Records for Vermilion County, Illinois- ISM accession# 34128
- Collector: Winterringer,glen S.
Date: 05 Aug 1950 - ISM accession# 54059
- Collector: Winterringer,glen S.
Date: 25 Jul 1957
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