New Zealand: "Westcoast, Lake Haupiri, Kopara; 8.X11.1967, leg. Horak (PDD, 27108: holotype; ZT, 67/234: isotype)". "Nelson, Lewis Pass, Springs Junction; 5.xii.1967, leg. Horak (ZT, 67/209)."

Pileus -20 mm diam., hemispherical becoming, convex to broadly umbonate-expanded; bark brown to umber-brown, covered with minute concolorous scales and squamules, especially around disc; dry with brown fibrillose veil remnants at margin in young carpophores. Lamellae adnate or adnexed ventricose, crowded (L -16, 1 -3); beige turning beige-brown or beige-grey, edge albofimbriate. Stipe -20 x -2mm, cylindrical, brown to black-brown often paler than pileus; pruinose above, towards the base covered with woolly fibrils; dry, hollow, cortina indistinct. Context brown. Odour none.
Spores 10-11.5 x 7-9 µm, distinctly nodulose, brown. Basidia 20-25 X 10 µm. 4-spored. Cheilocystidia and pleurocystidia 30-50 x 10-18 µm, lageniform, thick-walled, hyaline, sometimes encrusted. Caulocystidia clusters of cylindrical hyphae, thin-walled membranes. Cuticle a trichoderm of bundled cylindrical hyphae (6-12 µm diam.), membranes up to 2 µm in diam., encrusted with dark brown pigment. Clamp connections numerous.

On rotten wood of Nothofagus fusca. New Zealand.

Pileo -20 mm lato, e convexo expanse, umbrino vel cervino, dense squamuloso, sicco. Lamellis adnato-adnexis, argillaceis, albofimbriatis. Stipite -20 x -2 mm, cylindrico, pileo concolori, fibrilloso, basim versus sub squamuloso. Odore nullo. Sporis 10-11.5 x 7-9 µm, nodoso-substellatis. Cheilo- et pleurocystidiis similibus, fusoideis, subcrassis. Hyphis fibulatis. Ad lignum putridum Nothofagi fuscae. Nova Zeiandia. Typus (PDD, 27108).

As the name indicates this species is closely related to A. cerasphora Singer (1953) which grows on rotten logs of Nothofagus spp. in the beech forests of Chile and Argentina.