Distribution of Missouri Ironweed (Vernonia missurica) specimens in the ISM Herbarium |
Vernonia missurica Records for Knox County, Illinois- ISM accession# 45498
- Collector: Winterringer,glen S.
Date: 21 Sep 1954 - ISM accession# 60518
- Collector: Fach, Neva G.
Date: 31 Jul 1960
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