Marasmiellomycena albodescendens (J.A. Cooper) Q.Na & Y.P.Ge, 2024
publication ID |
https://dx.doi.org/10.3897/mycokeys.105.118826 |
persistent identifier |
https://treatment.plazi.org/id/42B4EF77-26AB-54F6-931B-E6DCA0579A8F |
treatment provided by |
|
scientific name |
Marasmiellomycena albodescendens (J.A. Cooper) Q.Na & Y.P.Ge |
status |
comb. nov. |
Marasmiellomycena albodescendens (J.A. Cooper) Q.Na & Y.P.Ge comb. nov.
Basionym.
Porotheleum albodescendens J.A. Cooper, in Consiglio, Vizzini, Cooper, Marchetti, Angelini, Brugaletta & Setti, Riv. Micol. 64(2): 117, 2022.
Type specimen.
Holotype: New Zealand: North Island, Taupo, Tauhara Centre, 15 May 2011, PDD 96321.
Selected description.
Consiglio et al. (2022).
Distribution.
New Zealand.
Notes.
Marasmiellomycena albodescendens has marasmielloid basidiomes, a pure-white pileus, relatively large spores, no hymenial cystidia and abundant, thick-walled pileocystidia and caulocystidia with yellowish contents. Unlike other species of Marasmiellomycena possessing a yellow, reddish-brown or yellowish-brown pileus, M. albodescendens can be easily recognised by its white pileus. The pileus of Marasmiellomycena albodescendens is macromorphologically more similar to some species of Marasmiellus Murrill ( Stevenson 1964); however, its micromorphological characteristics place this species in Marasmiellomycena , consistent with the results of our phylogenetic analysis (Fig. 1 View Figure 1 ). Marasmiellomycena albodescendens has been infrequently collected in New Zealand, but is probably common and widespread and grows on small, dead, fallen branches and twigs in indigenous scrub and broad-leaf forests in late summer and autumn ( Consiglio et al. 2022).
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