Cladonia verticillata (Hoffm.) Schaer.

Lich. Helv. Spic.: 31 (1823).

Basionym: Cladonia pyxidata [unranked] verticillata Hoffm., Deutschl. Fl. 2: 122 (1796).

 

Type locality: Germany, G. F. Hoffmann s.n. (MW-Hoffm 8642 - neotype). Neotypification by Ahti (1993: 101).
Ahti, T., 2007: Further studies on the Cladonia verticillata group (Lecanorales) in East Asia and western North America. - In: A. Frisch, U. Lange and B. Staiger: Lichenologische Nebenstunden. Contributions to Lichen Taxonomy and Ecology in Honour of Klaus Kalb. Bibliotheca Lichenologica No. 96. J. Cramer in der Gebrüder Borntraeger Verlagsbuchhandlung, Berlin-Stuttgart, pp. 5-19.