Template:Øvstedal & Gremmen, 2006
- Øvstedal, D.O. & Gremmen, N.J.M. 2006. Lichens of sub-Antarctic Heard Island. South African Journal of Botany 72(3): 353–366. RLL List # 203 / Rec.# 29391 – Recent Literature on Lichens DOI: 10.1016/j.sajb.2005.09.008 ScienceDirect