1. T. Arts, "Systematics and Geography of Plants." 75, "A contribution to the bryophyte flora of Réunion (Mascarene Islands)." 117 (2005)
2. B. Thiers, "New York Botanical Garden's Virtual Herbarium." "Index Herbariorum: A global directory of public herbaria and associated staff." (2022)
3. R. H. Zander, "Bulletin of the Buffalo Society of Natural Sciences." 32, "Genera of the Pottiaceae: Mosses of harsh environments." 1 (1993)
4. K. Saito, "Journal of Hattori Botanical Laboratory." 39, "A monograph of Japanese Pottiaceae (Musci)." 373 (1975)
5. E. B. Bartram, "Fieldiana, Bot." 25, "Mosses of Guatemala." 1 (1949)