Distribution of Smooth Beard Tongue (Penstemon calycosus) specimens in the ISM Herbarium |
Penstemon calycosus Records for Jefferson County, Illinois- ISM accession# 56511
- Collector: Winterringer,glen S.
Date: 10 Jun 1958 - ISM accession# 56512
- Collector: Winterringer,glen S.
Date: 10 Jun 1958
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