Usnea hirta
Literature
| Authors | Title |
Year of Publication |
|---|---|---|
| P. Halonen; L. Myllys; T. Ahti; O.V. Petrova | The lichen genus Usnea in East Fennoscandia. III. The shrubby species | 1999 |
| T. Tõrra; T. Randlane | The lichen genus Usnea (lichenized Ascomycetes, Parmeliaceae) in Estonia with a key to the species in the Baltic countries | 2007 |
| P.W. James; P. Clerc; O.W. Purvis | Usnea | 2009 |
| T. Randlane; T. Tõrra; A. Saag; L. Saag | Key to European Usnea species | 2009 |
| L. Saag; T. Tõrra; A. Saag; R. Del-Prado; T. Randlane | Phylogenetic relations of European shrubby taxa of the genus Usnea | 2011 |
| C. Truong; P.K. Divakar; R. Yahr; A. Crespo; P. Clerc | Testing the use of ITS rDNA and protein-coding genes in the generic and species delimitation of the lichen genus Usnea (Parmeliaceae, Ascomycota) | 2013 |