Distribution of Crested Wood Fern (Dryopteris cristata) specimens in the ISM Herbarium |
Dryopteris cristata Records for Mason County, Illinois- ISM accession# 74425
- Collector: Rexroat, Rollo T.
Date: 10 Oct 1965 - ISM accession# 74426
- Collector: Rexroat, Rollo T.
Date: 10 Oct 1965 - ISM accession# 111298
- Collector: Schwegman, John E.
Date: 11 Jun 1991
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