Mycosphaerellales » Mycosphaerellaceae


Ophiocarpella Theiss. & Syd., Annls mycol. 13(5/6): 644 (1915).

Index Fungorum number: IF 3594; Facesoffungi number: FoF 08632, 1 morphological species (Species Fungorum 2022), no molecular data available.

Associated with leaf spot. Stromata hypophyllous, black, irregular, with dense protuberant loculi, half immersed in the host tissue, connected by vertical hyphal strands, apex free, protuberant through the epidermis. Sexual morph: Hyphae greyish brown, with swollen cells, several layers around the loculi forming a kind of wall, dense between loculi, sparingly developed below, loculi globose, non-ostiolate. Asci fasciculate, paraphyses lacking, 8-spored. Ascospores polystichous, colorless, filiform, with a distinct median septum, possibly with several septa when mature. Asexual morph: Unknown (adapted from Theissen and Sydow 1915 and Videira et al. 2017).

 Type species: Ophiocarpella tarda (Harkn.) Theiss. & Syd.

Notes: Ophiocarpella is characterised by hypophyllous, black stromata, fasciculate asci, polystichous, colorless, filiform ascospores. Ophiocarpella was previously considered a synonym of Sphaerulina based on morphology (Videira et al. 2017). The placement of Ophiocarpella in Mycosphaerellaceae is doubtful. Fresh collections with DNA sequence data are needed to confirm the taxonomic placement of Ophiocarpella.


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