Pleosporales » Leptosphaeriaceae

Neoleptosphaeria

Neoleptosphaeria Ariyaw. & K.D. Hyde, in Ariyawansa et al., Fungal Diversity: 10.1007/s13225-015-0349-2, [18] (2015).

Index Fungorum number: IF 551464 Facesoffungi number: FoF 01157, 2 morphological species (Species Fungorum 2022), 2 species with molecular data.

Pathogenic on wood, bark and fruits of herbaceous or woody plants in terrestrial habitats. Sexual morph: Unknown. Asexual morph: Conidiomata semi-immersed to immersed, globose, papillate, or with a short cylindrical neck. Conidiomata wall composed of randomly arranged, polygonal, scleroplectenchyma cells. Conidiogenous cells well differentiated, cone-shaped. Conidia ovoid-oval to subcylindrical, eguttulate or with 1–2 min guttules (adapted from Ariyawansa et al. 2015).

 

Type species: Neoleptosphaeria rubefaciens (Togliani) Ariyaw. & K.D. Hyde

 

Notes: Neoleptosphaeria differs from Pseudoleptosphaeria in the structure of the conidiomata wall (scleroplectenchyma versus pseudoparenchymatous), nature of the spore wall (guttules versus smooth) and the host (generally on Malus spp. versus Populus tremuloides). Phylogenetically, Neoleptosphaeria is a distinct and well-supported lineage in Leptosphaeriaceae and can be differentiated from similar genera based on DNA sequence data. Molecular markers available for Neoleptosphaeria are ITS, LSU, SSU and TEF-1.

 

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