1. A biological survey of the Maya area;Bartlett;Bull. Torrey Bot. Club,1932
2. Mosses of northern Guatemala and British Honduras;Bartram;Jour. Washington Acad. Sci.,1932
3. In Engler and Prantl,;Brotherus;Die Natürlichen Pflanzenfamilien.,1925
4. Contribution to the flora of Yucatan;Millspaugh;Publ. Field Columb. Mus. Bot. Ser.,1895
5. Contribution II to the coastal and plain flora of Yucatan;Millspaugh;Publ. Field Columb. Mus. Bot. Ser.,1896