Distribution of Large White Trillium (Trillium grandiflorum) specimens in the ISM Herbarium |
Trillium grandiflorum Records for Cook County, Illinois- ISM accession# 15667
- Collector: Jackson, William H.
Date: -- --- ---- - ISM accession# 15682
- Collector: Pearsall, Gordon
Date: 20 May 1942 - ISM accession# 72069
- Collector: Gillett, Lloyd
Date: 08 May 1963 - ISM accession# 72070
- Collector: Gillett, Lloyd
Date: 10 May 1963 - ISM accession# 72071
- Collector: Gillett, Lloyd
Date: 16 May 1963 - ISM accession# 72073
- Collector: Gillett, Lloyd
Date: 09 May 1963 - ISM accession# 75778
- Collector: Bennett, H.r.
Date: 17 May 1964 - ISM accession# 75781
- Collector: Bennett, H.r.
Date: 15 May 1965
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