R. S. Williams
1859 – 1945
Books
- New species from Bolivia
- Mosses
- Mosses from tropical America
- The genus Desmatodon in North America
- Notes on some western lichens
- Calymperaceae of North America
- Colombian mosses, apparently undescribed
- Two new species of grimmia from Montana
- Mosses of the Philippine and Hawaiian Islands collected by the late John B. Leiberg
- Mosses of the Canadian Arctic Expedition, 1913-1915
- Mosses from the west coast of South America
- Central American mosses
- Una coleccion de musgos de los Andes venezolanos
- Philippine mosses
Author data: Open Library