Nomenclatural comment:
Nom. inval., Art. 36.1(c) (Melbourne)

Basionym:
Usnea florida var. rigida Ach. 1810

Citations in published lists or literature:
Zahlbruckner's Cat. Lich. Univ. 6: 571 | Lamb's Index nom. lich.: 759 Link to Protologue

Position in classification:
Parmeliaceae, Lecanorales, Lecanoromycetidae, Lecanoromycetes, Pezizomycotina, Ascomycota, Fungi

Index Fungorum Registration Identifier: 355664

Index Fungorum UUID: {3BFBE0DA-803F-41DE-9653-C5F14D79F455}