- Species Header
- Isotype of Grimmia calyptrata Hook. in Drumm.
- Musci Americani no. 60:. 1828.
- Accepted Name
- Grimmia calyptrata Hook. in Drumm.
- Collector and Date
- T. Drummond s.n. 1825 - 1827
- Not evident, unknown: Rocky Mountains
- Rocks This collection is no. 60 of "Musci Americani; or, specimens of the mosses collected in British North America, and chiefly among the Rocky Mountains, during the Second Land Arctic Expedition under the command of Captain Franklin, R.N. by Thomas Drummond, Assistant Naturalist".
1861 images/descriptions are openly available.
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- University of Michigan Herbarium Bryophyte Type Collection