Distribution of Jacob's Ladder (Polemonium reptans) specimens in the ISM Herbarium |
Polemonium reptans Records for Mchenry County, Illinois- ISM accession# 24386
- Collector: Fuller, George D.
Date: 15 Jun 1947 - ISM accession# 44600
- Collector: Nason, William A.
Date: 12 May 1913 - ISM accession# 46152
- Collector: Winterringer,glen S.
Date: 18 May 1954
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