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Darwiniana, nueva serie
Print version ISSN 0011-6793On-line version ISSN 1850-1699
Abstract
CAFFOT, María L. Hernández et al. Lysurus fossatii (Lysuraceae, Basidiomycota). A new species with simple stem-like receptacle structure, from Argentina. Darwiniana, nueva serie [online]. 2022, vol.10, n.1, pp.282-295. Epub Oct 17, 2022. ISSN 0011-6793. http://dx.doi.org/10.14522/darwiniana.2022.101.1014.
Hernández Caffot, M. L.; E. R. Nouhra, F. Kuhar, L. Caeiro & L. S. Domínguez. 2022. Lysurus fossatii (Lysuraceae, Basidiomycota). A new species with simple stem-like receptacle structure, from Argentina. Darwiniana, nueva serie 10(1): 178-186.
Lysurus fossatii, a new Lysuraceae species with unique macroscopic features is described and illustrated. Specimens were collected during field expeditions to remnants of the Espinal forest preserved at Estancia Yucat, South-East Córdoba, in central Argentina. The species is diagnosed by a light yellow peridium when immature, with the surface marked by a reticulum corresponding to the peridial sutures. When young and while still enclosed in the peridium, this species can be distinguished by the presence of a small white stipe completely covered by a green gleba. No actual receptacular structure is evidenced and only the stipe supports the gleba. Phylogenetic analyses highly supported the affinity of this species with L. sphaerocephalus in a close clade of L. cruciatus.
Keywords : Agaricomycetes; Córdoba province; Lysurus cruciatus; Lysurus sphaerocephalus; Phallomycetidae..