Auriculariales » Auriculariales genera incertae sedis

Myxariellum

Myxariellum V. Malysheva & V. Spirin, in Spirin et al., Nordic Journal of Botany 37: 8 (2019)

Etymology: Myxariellum (Lat., noun) – a deminutive form of Myxarium.

Diagnosis: Basidiocarps effused, continuous, smooth, gelatinous, very thin. Hyphal structure monomitic; hyphae clamped. Cystidia present, thin-walled, tapering; hyphidia present. Basidia 4-celled, 9–13 × 8–10 μm, pedunculate. Basidiospores hyaline, thin-walled, broadly ellipsoid to broadly cylindrical, often slightly curved, 5–9.5 × 4–5 μm. On strongly decomposed logs of conifers.

Index Fungorum number: IF829009

Type species: Myxariellum concinnumV. Spirin & V. Malysheva, in Spirin et al., Nordic Journal of Botany 37: 8 (2019)

Notes: Extremely thin basidiocarps, well-developed cystidia and basidia with thick sterigmata differentiate Myxariellum from the other genera treated here.

 

Species

Myxariellum concinnum V. Spirin & V. Malysheva 2019

Myxariellum tenerum V. Spirin & V. Malysheva 2019

 

Reference:

Spirin V, Malysheva V, Roberts P, Trichies G, Savchenko A, Larsson KH. 2019. A convolute diversity of the Auriculariales (Agaricomycetes, Basidiomycota) with sphaeropedunculate basidia. Nordic Journal of Botany. 37: 1–26

 

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