Name:		Collema tenax Ach., (1810) page 635
Basionym:		Lichen tenax Sw.
Synonym(s):		Parmelia tenax (Sw.) Ach. (1803) Enchylium tenax (Sw.) Gray (1821) Collema pulposum var. tenax (Sw.) Nyl. (1858)
Status:		Species, lichen-forming
Taxonomic position:		Collema Weber ex F.H. Wigg. [Genus] Collemataceae Zenker [Family] Peltigerales Walt. Waton [Order] Lecanoromycetidae P.M. Kirk, P.F. Cannon, J.C. David & Stalpers ex Miądl., Lutzoni & Lumbsch [Subclass] Lecanoromycetes O.E. Erikss. & Winka [Class] Pezizomycotina O.E. Erikss. & Winka [Subdivision / Subphylum] Ascomycota Caval.-Sm. [Division / Phylum] Fungi R.T. Moore [Kingdom]
Constituent taxa:		Subspecific taxa Collema tenax forma confertum (Harm.) Werner Collema tenax forma papulosum (Schaer.) Degel. Collema tenax forma tenax Collema tenax var. ceranoides (Borrer) Degel. Collema tenax var. corallinum (A. Massal.) Degel. Collema tenax var. coronatum Körb. Collema tenax var. crustaceum (Kremp.) Degel. Collema tenax var. diffractoareolatum (Schaer.) Degel. Collema tenax var. expansum Degel. Collema tenax var. litoreum Sommerf. Collema tenax var. multiflorum Rabenh. Collema tenax var. ogatae (Zahlbr.) Degel. Collema tenax var. substellatum (H. Magn.) Degel. Collema tenax var. tenax Sw. Collema tenax var. vulgare (Schaer.) Degel.
Catalogue data:		Zahlbruckner, Catalogus Universalis Lichenum 3: 74, Zahlbruckner, Catalogus Universalis Lichenum 3: 101, Zahlbruckner, Catalogus Universalis Lichenum 8: 285
Cybertruffle Resources:		Cyberliber Cumulative Index Biological Records Database (72 records)
Links:		Fungal Databases [Systematic Botany and Mycology, USDA] Genbank Google images IMI [CABI Fungus Dried Reference Collection] Index Fungorum Landcare [New Zealand] Mycobank New York Botanic Garden [Virtual Fungus Dried Reference Collection]