Template:Hawksworth, 2004a
- Hawksworth, D.L. 2004. Rediscovery of the original material of Osbeck’s Lichen chinensis and the re-instatement of the name Parmotrema perlatum (Parmeliaceae). Herzogia 17: 37–44. RLL List # 201 / Rec.# 28052 – Recent Literature on Lichens Herzogia (PDF)