Distribution of Lady's Thumb (Polygonum persicaria) specimens in the ISM Herbarium |
Polygonum persicaria Records for Kankakee County, Illinois- ISM accession# 6419
- Collector: Hawkins, H.s.
Date: 30 Aug 1938 - ISM accession# 35070
- Collector: Hungerford,h. Et Al.
Date: 15 Aug 1950
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