Phyllocraterina
Phyllocraterina Sérus. & Aptroot, in Hongsanan et al., Fungal Diversity: 10.1007/s13225-020-00462-6, [133] (2020).
Index Fungorum number: IF 836392; Facesoffungi number: FoF 08880, 2 morphological species (Species Fungorum 2022), no molecular data available.
Lichenized on leaves in terrestrial, lowland to montane, tropical habitats. Thallus thinly corticate, grey-green, supracuticular. Photobiont Phycopeltis. Sexual morph: Ascomata perithecia, prominent, black, wart-shaped with spreading base, carbonaceous, ostiolate. Involucrellum present, carbonized. Excipulum prosoplectenchymatous, brownish to blackish. Hamathecium comprising 1.5–2 µm wide paraphyses, hyaline, unbranched. Asci 8-spored, bitunicate, fissitunicate, clavate, shortly pedicellate, with rather broad ocular chamber, non-amyloid. Ascospores irregularly arranged, fusiform ellipsoid, hyaline, muriform, with thin eusepta and rectangular lumina, smooth-walled, slightly constricted at the median septum. Asexual morph: unknown (adapted from Hongsanan et al. 2020b).
Type species: Phyllocraterina papuana (Sérus. & Aptroot) Sérus. & Aptroot
Notes: Phyllocraterina is characterised by black, wart-shaped ascomata, clavate, shortly pedicellate asci and fusiform ellipsoid, hyaline, muriform ascospores. Hongsanan et al. (2020b) introduced the new name Phyllocraterina for Phyllocratera as the latter is a plant genus in the family Rubiaceae from Indonesia. Phyllocraterina is considered as a distinct genus in Strigulaceae based on its occurrence on a different substrate and photobiont and presence of unbranched paraphyses. Molecular data and further investigation are needed to study the relationship of Phyllocraterina with the muriform-spored species placed in Swinscowia.
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