References
- Lockhart, N.D., Hodgetts N.G. & Holyoak D.T. 2012. Rare and threatened bryophytes of Ireland. Cultra, Northern Ireland: National Museums of Northern Ireland.
- Hodgetts, N.G. 2011. A revised Red List of bryophytes in Britain. Field Bryology 103: 40–9.
- Ratcliffee, D.A. ed 1977. A nature consevation review. Vols 1 & 2. Cambridge: Cambridge University Press.