Distribution of Southern Naiad (Najas guadalupensis) specimens in the ISM Herbarium |
Najas guadalupensis Records for Washington County, Illinois- ISM accession# 73133
- Collector: Dolbeare, Ben L.
Date: 18 Jul 1966 - ISM accession# 73134
- Collector: Dolbeare, Ben L.
Date: 18 Jul 1966
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