User: clerc
Credentials: 1. Headcurator of the Cryptogamic collections at the Conservatoire et Jardin botanique de la Ville de Genève (G). Lecturer at the Faculty of Sciences of the University of Geneva
2. Clerc, P. (2008). Usnea, p. 302-335. In Nash III, T., C. Gries & F. Bungartz (eds). Lichen Flora of the Greater Sonoran Desert Region. Volume 3. USA. Dexter. MI. Clerc, P. (2006). Synopsis of Usnea (lichenized Ascomycetes) from the Azores with additional information on the species in Macaronesia. Lichenologist 38: 191-212. Clerc, P. & P. F. May (2006). Usnea flammea (Lecanorales) new for North America. The Bryologist 110(1). Clerc, P. (2004). Notes on the genus Usnea Adanson. II, p. 79-90. In Döbbeler, P. & G. Rambold (eds). Contribution to Lichenology. Festschrift in honour of Hannes Hertel. Bibliotheca Lichenologica 88.
3. Member of the International Association of Lichenology Scope: Usnea ceratina Ach. 1810