Summary
Ceratostomella Sacc. is a member of theDiaporthaceae (sensuMiller 1949) and is closely related toPhomatospora Sacc., ifCeratostomella vestita Sacc. [=C. cirrhosa (Pers.) Sacc.] is regarded as type of the genus. This species has perithecia with a rather thick membrane, consisting of several layers of slightly compressed, dark cells. The neck is long cylindrical, lined with periphyses. The asci are cylindrical, with an refractive ring in the thickened tip. When young, the spores are continuous, hyaline, with two or four oildrops, when old they often develop one or three pseudosepta. A list of synonyms of this species is given.
Some species, which have been described asCeratostomella belong toOphiostoma Sydow (1919); this genus belongs to thePlectascales (Nannfeldt 1932, 1934).Rostrella coffeae Zimmerm. is also anOphiostoma and must be namedO. coffeae (Zimmerm.) comb. nov. The nameRostrella Zimmermann (1900) is older thanOphiostoma, but must be rejected, as an ascomycetous genusRostrella Fabre exists, described in 1878. Several other species, described asCeratostomella, Endoconidiophora andGrosmannia are transferred toOphiostoma. A list of synonyms of the genus is given.
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von Arx, J.A. Ueber die AscomycetengattungenCeratostomella Sacc.,Ophiostoma Syd. undRostrella Zimmermann. Antonie van Leeuwenhoek 18, 201–213 (1952). https://doi.org/10.1007/BF02538608
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DOI: https://doi.org/10.1007/BF02538608