Distribution of Rough Sand Sedge (Cyperus schweinitzii) specimens in the ISM Herbarium |
Cyperus schweinitzii Records for Tazewell County, Illinois- ISM accession# 28019
- Collector: Chase, Virginius H.
Date: 27 Aug 1949 - ISM accession# 94055
- Collector: Koelling, Alfred C.
Date: 29 Sep 1980
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