Name:		Arrhenia acerosa Kühner, Bulletin Mensuel de la Société Linnéenne de Lyon 49 (1980) page 893 [ as ‘acerosus’]
Accepted name:		Omphalina acerosa (Fr.) M. Lange
Basionym:		Agaricus acerosus Fr.
Status:		Species
Taxonomic position:		Arrhenia Fr. [Genus] Tricholomataceae R. Heim ex Pouzar [Family] Agaricales Underw. [Order] Agaricomycetidae [Subclass] Agaricomycetes Doweld [Class] Agaricomycotina Doweld [Subdivision / Subphylum] Basidiomycota R.T. Moore [Division / Phylum] Fungi R.T. Moore [Kingdom]
Constituent taxa:		Subspecific taxa Arrhenia acerosa var. acerosa Arrhenia acerosa var. tenella (Kühner) Aronsen
Catalogue data:		Index of Fungi 5: 330
Cybertruffle Resources:		Cyberliber Cumulative Index
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]