Distribution of Purple Meadow Parsnip (Thaspium trifoliatum) specimens in the ISM Herbarium |
Thaspium trifoliatum Records for Ogle County, Illinois- ISM accession# 48970
- Collector: Hills, Alice L.
Date: 27 Aug 1946 - ISM accession# 49034
- Collector: Hills, Alice L.
Date: 09 Sep 1946
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