Distribution of Narrow-leaved Vervain (Verbena simplex) specimens in the ISM Herbarium |
Verbena simplex Records for Fayette County, Illinois- ISM accession# 93541
- Collector: Andrews, Darwin M.
Date: 02 Jul 1880 - ISM accession# 96853
- Collector: Marty, Leo
Date: 29 Jul 1971 - ISM accession# 106472
- Collector: Shildneck, Paul
Date: 20 Aug 1981
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