Parodiellina
Parodiellina Henn. ex G. Arnaud, Annals d'École National d'Agric. de Montpellier, Série 2 16(1-4): 21 (1918) [1917].
Index Fungorum number: IF 3750; Facesoffungi number: FoF 07895, 1 morphological species (Species Fungorum 2022), no molecular data available.
Parasitic on the lower surface of living leaves. Colonies large, superficial, circular to subcircular, comprised of numerous ascomata, on brown to dark brown spots. Sexual morph: Ascomata superficial, seated on subiculum, unilocular, globose to subglobose, thick at the base, solitary to gregarious, dark brown to black, pore central, surrounded by dark brown setae, septate, sometimes branched at the base. Peridium compressed, comprising dark brown cells of textura angularis. Hamathecium comprising wide, septate, hyaline to pale brown, sparse pseudoparaphyses. Asci 8-spored, bitunicate, broadly obovoid to subclavate, thick-walled, pedicellate. Ascospores oval to ellipsoid, obovoid-clavate, aseptate, hyaline to light brown, smooth-walled. Asexual morph: hyphomycetous, sporodochial, with phragmosporous conidia. Colonies large, superficial, circular to subcircular, clustered, comprised of numerous sporodochia, as dark brown spots. Sporodochia superficial, pulvinate, cushion-like, clustered, dark brown, with erect setae, branched at the base, septate, dark brown. Conidiophores erect, mononematous, macronematous, thick-walled, unbranched, septate, hyaline, pale brown to dark brown, smooth walled, arranged in the sporodochia in a palisade manner. Conidiogenous cells ellipsoid, pale to moderately brown, holoblastic to annellidic, with conspicuous annellations. Conidia solitary, ellipsoidal to clavate, truncate at the base, apex rounded, hyaline, becoming brown to red brown when mature, 2-euseptate, constricted at the septa, smooth-walled (adapted from Boonmee et al. 2017).
Type species: Parodiellina manaosensis (Henn.) G. Arnaud
Notes: Parodiellina is characterised by oval to ellipsoid, obovoid-clavate, aseptate ascospores and a conspicuous sporodochial asexual morph. Parodiellina has been treated differently by several authors (Gäumann & Dodge 1928, Hansford 1946, Müller & Arx 1950, Lumbsch & Huhndorf 2010). Recently, Boonmee et al. (2017) placed Parodiellina in Perisporiopsidaceae based on its parasitic lifestyle and morphological study. Fresh collections with DNA sequence data are needed to confirm the systematic position of Parodiellina.
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