Template:Hoffmann, 1801
- Hoffmann, G.F. 1801. Descriptio et adumbratio plantarum e classe cryptogamica Linnaei quae Lichenes dicuntur. 3(1): 1–14, pls. XLIX–LIV; 3(2): 1–18, pls. LV–LX; 3(3): 1–18, pls. LXI–LXVI; 3(4): 1–12, pls. LXVII–LXXII. Mattick Rec.# 33252 – Recent Literature on Lichens Google Books