Distribution of Common St. John's Wort (Hypericum perforatum) specimens in the ISM Herbarium |
Hypericum perforatum Records for Adams County, Illinois- ISM accession# 67164
- Collector: Winterringer,glen S.
Date: 17 Jul 1963 - ISM accession# 67165
- Collector: Winterringer,glen S.
Date: 17 Jul 1963 - ISM accession# 67245
- Collector: Winterringer,glen S.
Date: 17 Jul 1963 - ISM accession# 88807
- Collector: Koelling, Alfred C.
Date: 05 Aug 1971
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