Distribution of Coontail (Ceratophyllum demersum) specimens in the ISM Herbarium |
Ceratophyllum demersum Records for Cook County, Illinois- ISM accession# 67892
- Collector: Vidal, Paul
Date: 19 Jun 1964 - ISM accession# 67998
- Collector: Vidal, Paul
Date: 28 Jul 1964 - ISM accession# 71800
- Collector: Vidal, Paul
Date: 02 Jul 1965 - ISM accession# 71801
- Collector: Vidal, Paul
Date: 24 Jun 1965
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