Nom:		Tomentellastrum umbrinum forma sitnensis Litsch.
Nom courant:		Pseudotomentella tristis (P. Karst.) M.J. Larsen
Condition:		Forma
Position taxonomique:		Tomentellastrum umbrinum (Fr.) Svrček [Espèce] Tomentellastrum Svrček [Genre] Thelephoraceae Chevall. [Famille] Thelephorales Corner ex Oberw. [Ordre] Agaricomycetes Doweld [Classe] Agaricomycotina Doweld [Sous-embranchement / Sous-phylum] Basidiomycota R.T. Moore [Embranchement / Phylum] Fungi R.T. Moore [Royaume]
Cybertruffle Resources:		Cyberliber Cumulative Index [English language only]
Liens:		Fungal Databases [Systematic Botany and Mycology, USDA] Genbank Google images IMI [CABI Fungus Dried Reference Collection] Landcare [New Zealand] New York Botanic Garden [Virtual Fungus Dried Reference Collection]