A new species of the genus Aleurodiscus sensu lato ( Russulales, Basidiomycota ) from Hachijo Island, Japan.

Authors :: Maekawa N
Sugawara R
Nakano R
Shino R
Sotome K
Nakagiri A
Oba Y
Source :: Mycoscience [Mycoscience] 2023 Jul 31; Vol. 64 (4), pp. 109-115. Date of Electronic Publication: 2023 Jul 31 (Print Publication: 2023).
Publication Year :: 2023
Abstract: Aleurodiscus sagittisporus sp. nov. is described and illustrated. This species is characterized by producing basidiomata with a monomitic hyphal system, clampless-septate hyphae, arrowhead-shaped, amyloid, finely verrucose basidiospores, gloeocystidia, dendrohyphidium-like branched paraphysoid hyphae, and variously shaped swelling cells in the hymenium. Phylogenetic analyses based on nuclear rDNA LSU and ITS sequences revealed that the species is distinct from the lineage of Aleurodiscus s. str. and related genera in the Aleurodiscus s. lat. clade. Basidiomata of A. sagittisporus have been collected only from dead petioles attached to living trees of Livistona chinensis var. subglobosa on Hachijo Island, Japan.<br /> (2023, by The Mycological Society of Japan.)

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