Berkeley, M.J. (1848), Decades of fungi. Decade XX. Tasmanian fungi. London Journal of Botany 7: 573 [tax. nov.]

• Type: "[Australia] Tasmania ... Gunn, No. 1788. Hab. on bark of a young tree of Eucalyptus amygdalina. Penguite, Jan. 6, 1846."

Hooker, J.D. (1860), Botany of the Antarctic Voyage. III Flora Tasmaniae 2: 248 [basionym]

basionym of: Marasmius affixus (Berk.) Berk. legitimate

Saccardo, P.A. (1887), Sylloge Hymenomycetum, Vol. I. Agaricineae. Sylloge Fungorum 5: 368 [basionym]

basionym of: Pleurotus affixus (Berk.) Sacc. legitimate

Kuntze, O. (1898), Revisio generum plantarum 3 (2): 463 [basionym]

basionym of: Dendrosarcus affixus (Berk.) Kuntze nom. inval.

Kuntze, O. (1898), Revisio generum plantarum 3 (2): 455 [basionym]

basionym of: Chamaeceras affixus (Berk.) Kuntze nom. inval.

Pegler, D.N. (1965), Studies on Australasian Agaricales. Australian Journal of Botany 13 (2): 323, fig. 3/7 [secondary reference]

• Type: "Type,—On bark of young trees of Eucalyptus amygdalina, Penguite, Tas., 1 June 1846, R. Gunn, No. 1788. [K]"

• Comment: "This species was correctly placed in Pleurotus by Saccardo."

Singer, R. (1973), The genera Marasmiellus, Crepidotus, and Simocybe in the Neotropics. Beihefte zur Nova Hedwigia 44: 4 [basionym]

basionym of: Marasmiellus affixus (Berk.) Singer legitimate

AusFungi (2019), AusFungi 21 Jan. 2019: - [nomenclatural synonym]

nomenclatural synonym of: Marasmiellus affixus (Berk.) Singer legitimate

Cooper, J.A. (2 March 2023), Nomenclatural novelties. Index Fungorum 531: 3 [basionym]

basionym of: Collybiopsis affixa (Berk.) J.A.Cooper legitimate

---