Vezda, A 1966: Flechtensystematische Studien IV. Die Gattung Gyalidea Lett. - Folia Geobot. & Phytotax. [Praha]1: 311-340. [RLL List # 62 / Rec.# 19559] Keywords: GYALIDEA/ NEW TAXA/ KEY
Abstract: 7 fig. [Recognition of 13 species; key. New: Gyalidea lecideopsis var. stigmatoides (Nyl.) comb. nov., var. convarians (Nyl.) comb. nov., G. hyalinescens (Nyl.) comb. nov., G. dodgei sp. nov., G. fritzei (Stein) comb. nov., with var. rivularis (Eitn.) comb. nov., G. mexicana (B. de Lesd.) comb. nov., G. mayaguezensis sp. nov., G. subscutellaris (Vezda) comb. nov., G. portoricensis sp. nov., G. epiphylla sp. nov.]