Distribution of Great Waterleaf (Hydrophyllum appendiculatum) specimens in the ISM Herbarium |
Hydrophyllum appendiculatum Records for Hancock County, Illinois- ISM accession# 65004
- Collector: Winterringer,glen S.
Date: 18 May 1962 - ISM accession# 77208
- Collector: Krauser, Alice
Date: 22 May 1966
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