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OCTOSPOROPSIS":
3 articles found in Index.
SOCHOROVÁ Z., ECKSTEIN J., SOCHOR M. (2024): Octospora pulchrispora (Pezizales) – a new bryophilous species on Cynodontium polycarpon [bryoparasitic Pezizales, bryophilous ascomycetes, Rhabdoweisiaceae, rhizoid galls, vital taxonomy.] Czech Mycology 76(1): 45-62 (published: 3rd May, 2024)
abstract
Octospora pulchrispora Sochorová et Eckstein is described as a new species based on finds from the Czech Republic. It features a remarkable ascospore ornamentation formed by low, branching, cyanophilous ridges. It parasitises the acrocarpous moss Cynodontium polycarpon (Rhabdoweisiaceae) and induces galls on the rhizoids. In the phylogenetic analysis based on the LSU, SSU and EF1α loci, O. pulchrispora formed a highly supported clade with Octospora gyalectoides agg., O. leucoloma, O. gemmicola, O. axillaris, O. excipulata, O. bridei and two undescribed Octospora species.
NÉMETH C., ECKSTEIN J., SOCHOR M. (2022): Disentangling the taxonomy of Octospora meslinii (Pezizales), a bryophilous ascomycete on Grimmia pulvinata. [bryoparasitic fungi, EF1α, Grimmia pulvinata, LSU, SSU.] Czech Mycology 74(1): 1-24 (published: 1st January, 2022)
abstract
The bryophilous ascomycete Octospora meslinii is a rarely reported species growing exclusively in cushions of the saxicolous moss Grimmia pulvinata. The taxon has been misunderstood in the past and hitherto reliably only reported from France and Germany. Many recent collections from Hungary have made it possible to get a better understanding of O. meslinii, which is comprehensively described and illustrated in this paper. Because of the lack of original material, we designate an illustration in the protologue as the lectotype and one of the recent collections as the epitype of this fungus. Octospora meslinii is compared with other species of Octospora growing in the same type of habitat or having similar ascospores. The most closely related species to O. meslinii is O. pseudoampezzana. Both share apothecia with blackish pigmentation, a unique feature compared to bryophilous Pezizales as a whole, ellipsoid ascospores ornamented with isolated warts, moss hosts in the family Grimmiaceae, and the infection inducing galls on the rhizoids. A phylogenetic analysis using the EF1α, LSU and SSU rDNA loci confirms our morphological findings showing that O. meslinii forms a monophyletic clade with O. pseudoampezzana, whereas other species with which O. meslinii was confused in the past, e.g. O. similis, are related only distantly.
DZHAGAN V.V., SHCHERBAKOVA YU.V., LYTVYNENKO YU.I. (2021): New and noteworthy records of operculate discomycetes of the Pyronemataceae (Pezizales) from Ukraine. [Ascomycota, Pezizomycetes, Aleurina subvirescens, Ramsbottomia asperior, Smardaea purpurea, biodiversity, Carpathian Biosphere Reserve.] Czech Mycology 73(2): 137-150 (published: 30th July, 2021)
abstract
The article reports new data on the occurrence of three species of apothecial ascomycetes of the Pyronemataceae family collected in the Carpathian Biosphere Reserve. Aleurina subvirescens and Smardaea purpurea were found in Ukraine for the first time, Ramsbottomia asperior was previously found by us also at other localities in Ukraine, including the Carpathian Biosphere Reserve, but without any details and illustrations. For each species a description of the Ukrainian specimens, collection data, macro- and micrographs are provided here. In addition to morphological characters, ecological characteristics and data on the general distribution of these species are briefly discussed.
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