Circinaria
Literature
| Authors | Title |
Year of Publication |
|---|---|---|
| A. Nordin; S. Savic; L. Tibell | Phylogeny and taxonomy of Aspicilia and Megasporaceae | 2010 |
| A. Fletcher; O.W. Purvis; B.J. Coppins | Aspicilia | 2009 |
| A. Nordin; L. Tibell; B. Owe-Larsson | A preliminary phylogeny of Aspicilia in relation to morphological and secondary product variation | 2007 |