Distribution of Black Birdweed (Polygonum convolvulus) specimens in the ISM Herbarium |
Polygonum convolvulus Records for Fulton County, Illinois- ISM accession# 60082
- Collector: Rexroat, Rollo T.
Date: 17 Jul 1959 - ISM accession# 91319
- Collector: Shildneck, Paul
Date: 20 Jul 1979 - ISM accession# 101836
- Collector: Shildneck, Paul
Date: 14 Aug 1980
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