Pleosporales » Phaeosphaeriaceae » Neosetophoma

Neosetophoma rosae

Neosetophoma rosae Jayasiri, Camporesi, Gafforov & K.D. Hyde, in Wanasinghe et al., Fungal Diversity: 10.1007/s13225-018-0395-7, [126] (2018)

Index Fungorum number: IF 553944; Facesofungi number: FoF 03816

Etymology: The specific epithet reflects the host genus Rosa.

Holotype: MFLU 15-1073.

Saprobic on dead spines of Rosa canina L. Sexual morph: Undetermined. Asexual morph: coelomycetous. Conidiomata 90–130 μm high, 100–120 μm diam., pycnidial, separate, dark brown, globose, subepidermal, unilocular, thin-walled, papillate. Peridium 15–25 μm wide, composed of 6–7 layers, with outer 4–5 layers comprising brown and inner 1–2 layers of pale brown to hyaline cells of textura angularis. Conidiophores reduced to conidiogenous cells. Conidiogenous cells 2–5 μm long and 3–6 μm wide, enteroblastic, phialidic, doliiform to ampulliform, determinate, hyaline, smooth-walled. Conidia 8–14 × 1.5–3 μm (x̄ = 11 × 2.5 μm, n = 30), subcylindrical, fusiform, or ellipsoid to fusiform, hyaline to pale brown, smooth-walled, 1–3-euseptate, constricted at the septa, apex and base obtuse, or sometimes with truncate base, smooth-walled.

Material examined: ITALY, Province of Forlı`-Cesena [FC], Fiumicello di Premilcuore, on dead spines of Rosa canina L. (Rosaceae), 26 November 2014, Erio Camporesi IT 2259 (MFLU 15-1073, holotype).

GenBank Numbers: ITS: MG828925, MG828926; LSU: MG829034, MG829035; SSU: MG829140, MG829141, TEF: MG829218, MG829219.

Notes: This new species occurs on wild rose species.