Distribution of Interrupted Fern (Osmunda claytoniana) specimens in the ISM Herbarium |
Osmunda claytoniana Records for Cass County, Illinois- ISM accession# 21473
- Collector: Fell, E.w.& G.b.
Date: 06 Aug 1946 - ISM accession# 41988
- Collector: Rexroat, Rollo T.
Date: 19 May 1953 - ISM accession# 42637
- Collector: Rexroat, Rollo T.
Date: 08 Jul 1953
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