References
- Brotherus VF, 1925. Musci (Laubmoss). 2. Halfte. In: Engler A, Prantl K, eds. Die Naturlichen Pflanzenfamilien, 2nd ed., vol. 11. Leipzig: Wilhelm Engelmann.
- Cao T, Gao C, Vitt DH. 1995. A taxonomic revision of the genus Ptychomitrium (Bryopsida: Ptychomitriaceae) in China. Harvard Papers in Botany 6: 75–96.
- Cao T, Vitt DH. 1994. North American – East Asian similari-ties in the genus Ptychomitrium (Bryopsida). Bryologist 97: 34–41.
- Crosby MR, Magill RE, Bauer CR. 1992. Index of mosses 1963-1989. St. Louis: Missouri Botanical Garden.
- Crum H. 1984. Notes on tropical American mosses. Bryologist 87: 203–216.
- Noguchi A. 1954. Musci Japonici. IV. The genus Ptychomitrium. Journal of the Hattori Botanical Laboratory 12: 1–26.
- Noguchi A. 1988. Illustrated moss flora of Japan. Part 2. Nichinan: Hattori Botanical Laboratory.
- Wijk R Van Der, Margandant WD, Florsclitz PA. 1967. Index Musc,orum, vol. IV. Regnum Vegetabile 48: 1–604.
- Wijk R Van Der, Margandant WD, Florsclitz PA. 1969. Index Muscorum, vol. IV. Regnum Vegetabile 65: 1–922.