Pleosporales » Zopfiaceae

Rechingeriella

Rechingeriella Petr., in Rechinger, Baumgartner, Petrak & Szatala, Annln naturh. Mus. Wien 50: 465 (1940) [1939]

Index Fungorum number: IF 3094; Facesoffungi number: FoF 07676, 37 morphological species (Species Fungorum 2021), 3 species with molecular data.

Saprobic on host. Sexual morph: Perithecia erumpent to superficial, irregularly scattered, cleistothecioid, solitary, rarely two or several more or less aggregated, sub epidermal, just more or less spherical, scared or a little depressed, ca. 500 µm diameter. Hamathecium comprising and thin, branching pseudoparaphyses.  Ostiole fine papilliformis, sometimes poorly defined region.  Peridium comprising pseudoparenchyma, olive or dark-olive outside. Asci numerous, oblong-clavate to obovate, with a stalk, intertwined in paraphysoids, thick-walled, bitunicate and evanescent. Ascospores conglobate, globose, simple, spherical, unicellular, dark brown to black, ornamented. Asexual morph: Unknown.

 

Type species: Rechingeriella insignis Petr.

 

Notes: Rechingeriella was introduced by Petrak (1940) with R. insignis as type species. Rechingeriella is characterized by erumpent to superficial, cleistothecioid ascomata, obovate evanescent bitunicate asci and globose dark brown to black ascospores. Hawksworth and Booth (1974) referred R. insignis as a species of Zopfia (as Z. insignis (Petr.). Later, Rechingeriella was placed in Botryosphaeriaceae by von Arx and Müller (1975) based on morphology. Hyde et al. (2013) considered Rechingeriella as a genus in Zopfiaceae based on the 1-septate ornamented ascospore with swollen cells. Further study is needed on the type specimen of R. insignis in order to clarify its taxonomic status and fresh collections are needed for epitypification.

 

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