Peck, C.H. (1897), New species of fungi. Bulletin of the Torrey Botanical Club 24: 141 [tax. nov.]

Murrill, W.A. (1916), Agaricaceae Tribe Agariceae. North American Flora 9 (5): 362 [basionym]

basionym of: Gymnopus luxurians (Peck) Murrill legitimate

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

nomenclatural synonym of: Gymnopus luxurians (Peck) Murrill legitimate

Oliveira, J.S., Vargas-Isla, R., Cabral, T.S. et al. (15 April 2019), Progress on the phylogeny of the Omphalotaceae: Gymnopus s. str., Marasmiellus s. str., Paragymnopus gen. nov. and Pusillomyces gen. nov. Mycological Progress 18: 735 [basionym]

basionym of: Marasmiellus luxurians (Peck) J.S.Oliveira legitimate

Petersen, R.H. & Hughes, K.W. (23 July 2021), Collybiopsis and its type species, Co. ramealis. Mycotaxon 136 (2): 342 [basionym]

basionym of: Collybiopsis luxurians (Peck) R.H.Petersen legitimate

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