Baisheva, E., Ignatov, M., Konstantinova, N., Maslovsky, O., Sabovljevic, M. & Ştefănuţ, S.: ' Plagiomnium drummondii'IUCN Red List of Threatened Species. Version 2020-3. 2019. International Union for Conservation of Nature, IUCN, Iucnredlist.org. Viitattu 19.1.2021. (englanniksi)
