Gymnopus perforans subsp. transatlanticus. Pileipellis elements. A Slender hyphae with thin slime sheath and vague incrustation B Stouter hypha with conspicuous clamp connections C, D Pileipellis hyphae with secondary septa B–D Note multigranular gelatino-mucoid matrix. Standard bars = 10 µm. AV 11.06.11.

  Part of: Petersen RH, Hughes KW (2016) Micromphale sect. Perforantia (Agaricales, Basidiomycetes); Expansion and phylogenetic placement. MycoKeys 18: 1-122.