Distribution of Green Milkweed (Asclepias viridiflora) specimens in the ISM Herbarium |
Asclepias viridiflora Records for Mason County, Illinois- ISM accession# 59662
- Collector: Rexroat, Rollo T.
Date: 28 Jun 1959 - ISM accession# 59663
- Collector: Rexroat, Rollo T.
Date: 28 Jun 1959 - ISM accession# 59679
- Collector: Rexroat, Rollo T.
Date: 28 Jun 1959
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