Fungalpedia – Note 2161, Biatriospora
Biatriospora. K.D. Hyde & Borse.
Citation when using this data: Hongsanan S et al. 2020 – Fungalpedia, Ascomycota.
Index Fungorum, Facesoffungi, MycoBank, GenBank, Fig 1
Classification: Biatriosporaceae, Pleosporales, Pleosporomycetidae, Dothideomycetes, Pezizomycotina, Ascomycota, Fungi
Notes – Biatriospora is a monotypic genus and it is morphologically distinct from other genera in the Pleosporales in having ascospores with conical end chambers similar in appearance to those in species of Lulworthia and some species of Spathulospora (Kohlmeyer & Kohlmeyer 1979). However, these genera differ in ascal morphology, bitunicate in Biatriospora, while unitunicate in Lulworthia and Spathulospora, and in the release of mucilage from the end chambers (Jones 1994, 1995). Biatriospora marina, the type species of the genus was originally collected and described from mangrove roots of Sonneratia alba from Anse Boileau mangrove stand, Seychelles (Hyde & Borse 1986). Multi-gene phylogenetic analysis indicated that B. marina formed a separate clade, sister to other families of Pleosporales (Suetrong et al. 2009). Ahmed et al. (2014b) combined asexual species, Nigrospora mackinnoii, which is the causal agent of eumycetoma, with Biatriospora based on combined datasets of LSU, rpb-2, SSU, tef1 employing Bayesian analysis and maximum likelihood phylogeny (for morphology see Zhang et al. 2012b).
Type species: Biatriospora marina K.D. Hyde & Borse.
Other accepted species: Species Fungorum – search Biatriospora.
Figure 1 – Biatriospora borsei (AMH-9943, holotype). a Colonies superficial on the surface of decaying wood. b–d, j Conidiophore bearing conidia. f, g Conidiophores k Culture on MEA after 30 days of incubation. e, h, i Conidia. Scale bars: b–j = 10 μm.
References
Jones EBG. 1994 – Fungal adhesion. Presidential address 1992. Mycological Research 98, 961–981.
Zhang Y, Crous PW, Schoch CL, Hyde KD. 2012b – Pleosporales. Fungal Diversity 53, 1–221.
Entry by
Sinang Hongsanan, Guangdong Provincial Key Laboratory for Plant Epigenetics, Shenzhen Key Laboratory of Microbial Genetic Engineering, College of Life Science and Oceanography, Shenzhen University, Shenzhen 518060, People’s Republic of China, Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, Thailand, Department of Entomology and Plant Pathology, Faculty of Agriculture, Chiang Mai University, Chiang Mai 50002, Thailand
Published online 8 April 2026