Species varieties
There are currently 3 varieties recognized in Britain and Ireland:
- T. acaulon var. acaulon (was Phascum cuspidatum var. cuspidatum)
- T. acaulon var. pilifer (was Phascum cuspidatum var. piliferum)
- T. acaulon var. papillosa (was Phascum cuspidatum var. papillosum)
