Template:Renner & Braggins, 2004
- Renner, M.A.M. & Braggins, J.E. 2004: The sterile gametophyte as a source of informative characters in the genus Radula (Radulaceae: Hepaticae). Nova Hedwigia 78(1-2): 243-268. DOI: 10.1127/0029-5035/2004/0078-0243 .