1. Bates JW. 2011. BBS Bryophyte Ecology Group. Bryophyte habitats survey. Recorders’ instructions – revised September 2011. Unpublished report, The British Bryological Society.
2. Synonymy in Micromitrium
3. CABI. 2020. Finding a biocontrol agent for Crassula. [downloaded 2020 Dec 29]. https://www.cabi.org/projects/finding-a-biocontrol-agent-for-crassula