Distribution of Interrupted Fern (Osmunda claytoniana) specimens in the ISM Herbarium |
Osmunda claytoniana Records for Lasalle County, Illinois- ISM accession# 1517
- Collector: Fuller, George D.
Date: 11 Aug 1939 - ISM accession# 65615
- Collector: Winterringer,glen S.
Date: 17 Jul 1962
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