Distribution of Rough Sand Sedge (Cyperus schweinitzii) specimens in the ISM Herbarium |
Cyperus schweinitzii Records for Cass County, Illinois- ISM accession# 46107
- Collector: Rexroat, Rollo T.
Date: 20 Aug 1954 - ISM accession# 59774
- Collector: Rexroat, Rollo T.
Date: 20 Jul 1959
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