Distribution of Rock Elm (Ulmus thomasii) specimens in the ISM Herbarium |
Ulmus thomasii Records for Kane County, Illinois- ISM accession# 5785
- Collector: Vasey, George
Date: 05 May 1862 - ISM accession# 23605
- Collector: Fuller, George D.
Date: 13 Sep 1947 - ISM accession# 25953
- Collector: Fuller, George D.
Date: 20 Sep 1947
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