Filson, RB 1981: Studies in Macquarie Island lichens 2: the genera Hypogymnia, Menegazzia, Parmelia and Pseudocyphellaria. - Muelleria4 (4): 317-331. [RLL Suppl.] Keywords: MACQUARIE ISLAND/ HYPOGYMNIA/ MENEGAZZIA/ PARMELIA/ PSEUDOCYPHELLARIA
Abstract: The genera Hypogymnia and Menegazzia (Hypogymniaceae), Parmelia (Parmeliaceae) and Pseudocyphellaria (Lobariaceae) are enumerated. Two new species, Parmelia lusitaniensis R. Filson and Parmelia phillipsiana R. Filson, are described. Keys to species and varieties. Full descriptions. 10 figures