Horak, E. (1987), Tetrapyrgos Horak. (nom. et gen. nov.) replacing Pterospora Métrod (1949: nom. preocc.). Sydowia 39: 102 [comb. nov.]

Honan, A.H., Desjardin, D.E., Perry, B.A., Horak, E. & Baroni, T.J. (20 October 2015), Towards a better understanding of Tetrapyrgos (Basidiomycota, Agaricales): new species, type studies, and phylogenetic inferences. Phytotaxa 231(2): - [secondary reference]

• Text: "Tetrapyrgos nigripes was described originally from North Carolina (USA) ... Specimens from the old World reported in the literature as Marasmiellus nigripes (Pegler 1986 [Sri Lanka], Corner 1996 [Malesia]) probably represent T. subcinerea."

AusFungi (2019), AusFungi 21 Jan. 2019: - FungI [secondary reference]

synonym: Agaricus nigripes Schwein. nom. illeg. synonym: Marasmius nigripes Fr. legitimate synonym: Marasmius dichromopus Speg. legitimate synonym: Marasmiellus nigripes (Fr.) Singer legitimate

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