Distribution of Lanceleaf Ragweed (Ambrosia bidentata) specimens in the ISM Herbarium |
Ambrosia bidentata Records for Hamilton County, Illinois- ISM accession# 76680
- Collector: Dolbeare, Ben L.
Date: 27 Aug 1967 - ISM accession# 85040
- Collector: Winterringer,glen S.
Date: 24 Aug 1961
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