Pleosporales » Dictyosporiaceae

Aquadictyospora

Aquadictyospora Z.L. Luo, K.D. Hyde & H.Y. Su, in Li et al., Mycosphere 8(10): 1590 (2017).

Index Fungorum number: IF 553861; Faceoffungi number: FoF 03767, 1 morphological species (Species Fungorum 2020), 1 species with molecular data

Saprobic on submerged decaying wood. Sexual morph: Unknown. Asexual morph: Conidiomata on natural substratum sporodochia, superficial, compact, scattered, circular or subglobose, dark brown to black, velvety. Mycelium immersed, consisted of septate, branched, smooth, thin-walled, hyaline hyphae. Conidiophores micronematous, reduced to conidiogenous cells, pale brown, smooth. Conidiogenous cells monoblastic. Conidia appearing broadly rounded, composed of 4–6 compactly arranged rows of uniformly medium brown cells in upper half, with a basal, subglobose, hyaline cell, not complanate. Conidial appendages absent (adapted from Li et al. 2017).

 

Type species: Aquadictyospora lignicola Z.L. Luo, W.L. Li, K.D. Hyde & H.Y. Su

 

Notes: Aquadictyospora is unique in having sporodochia, monoblastic conidiogenous cells and conidia arranged compactly in 4–6 rows, with presence of a basal cell. Aquadictyospora is morphologically and phylogenetically a distinct and well-defined genus in Dictyosporiaceae. Molecular markers available for Aquadictyospora are ITS, SSU, RPB2 and TEF-1.

 

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