Spongispora temasekensis, a new boletoid genus and species from Singapore

Mycologia
Gang WuZhu L Yang

Abstract

Dipterocarp forests are a typical and widespread type of vegetation in tropical lowlands of southeast Asia that harbor a high diversity of ectomycorrhizal fungi, including boletes. Based on molecular and morphological characters, a unique bolete found in Singapore associated with the dipterocarp Hopea odorata was proven to represent a new species in the proposed new genus Spongispora. Phylogenetic analyses of five loci indicate that Spongispora is nested in the subfamily Leccinoideae of the Boletaceae, most closely related to an inclusive clade of Leccinum, Leccinellum, Octaviania, Rossbeevera, and Turmalinea. However, genetic distances between Spongispora and genera in Leccinoideae are mostly higher than that between any two known genera in this subfamily, which supports the proposal of a new genus. Spongispora temasekensis is characterized by a whitish to pale yellow hymenophore that stains brown where injured, coarsely reticulate stipe, interwoven trichodermial pileipellis, and broadly elliptical to ovoid basidiospores with sponge-like ornamentation perforated by irregular clefts, cracks, and warts under scanning electron microscopy. Morphological descriptions, illustrations, and comparisons with allied taxa are made, and a ...Continue Reading

References

Jul 24, 2002·Nucleic Acids Research·Kazutaka KatohTakashi Miyata
Jan 30, 2008·Bioinformatics·Stephen A Smith, Casey W Dunn
Feb 11, 2009·Mycologia·Dennis E DesjardinManfred Binder
May 12, 2011·Mycologia·Dennis E DesjardinThomas D Bruns
Feb 24, 2012·Systematic Biology·Fredrik RonquistJohn P Huelsenbeck
Aug 13, 2013·Fungal Biology·Mitchell E NuhnDavid S Hibbett
Oct 18, 2013·Molecular Biology and Evolution·Koichiro TamuraSudhir Kumar
Jan 8, 2016·Mycologia·Nian-Kai ZengZhu L Yang

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