Santesson,R 1942: Two interesting new species of the lichen genus Parmelia. - Botaniska Notiser\Bot. Not.1942: 325-330. [Mattick Rec.# 16978] Keywords: CETRARIASTRUM\ECUADOR\HYPOGYMNIA\SRI LANKA
Abstract: descriptions of P. (Hypogymnia) zeylanica NS, P. (Everniaeformes) ecuadoriensis NS.