Largent, D.L., Bergemann, S.E., Abell-Davis, S.E. et al. (2013), Five Leptonia species from New South Wales and Queensland, Australia. Mycotaxon 125: 18, plates 3–4 [tax. nov.]

• Type: “Type — Australia, New South Wales, Barrington Tops National Park, end of Blue Gum Track, within 20 m of 32°09ʹ03.8ʺS 151°31ʹ30.2ʺE, 21 April 2011, DL Largent 10130 (holotype, DAR).”

• Text: identifier: MB 802807
• Text: DNA sequences: from the type: GenBank: JQ756415 (LSU), JQ756430 (RPB2); from another collection: GenBank: JQ756399 (mtSSU), JQ756414 (LSU), JQ756429 (RPB2).
• Etymology: "derived from the Latin ambiguus (= ambiguous), referring to the obscure angles at the apex of some basidiospores".

Blanco-Dios, J.B. (November 2015), Notas sobre el género Entoloma s.l. en el noroeste de la Península Ibérica (VII): nuevas combinaciones y nuevos. Tarrelos 17: 34 [replaced synonym]

replaced synonym of: Entoloma gloucesterense Blanco-Dios legitimate

Largent, D.L., Kluting, K.L., Anderson, N.M. & Bergemann, S.E. (2016), New leptonioid species from New South Wales and northeastern Queensland, Australia. Mycotaxon 131: 174, plate 9 [secondary reference]

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