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Genus of fungi From Wikipedia, the free encyclopedia
Pleurothecium is a genus of terrestrial and freshwater fungi in the family Pleurotheciaceae and the monotypic order Pleurotheciales.[2] It is typified by Pleurothecium recurvatum as the type species (Morgan) Höhn,[3][4] which has the synonym of Carpoligna pleurothecii F.A. Fernández & Huhndorf, Mycologia 9: 253. 1999.[3][5]
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Genus: | Pleurothecium Höhn.[1] |
Type species | |
Pleurothecium recurvatum |
Fernández et al. (1999) established Carpoligna with the sexual stage of Carpoligna pleurothecii as the type species and sporulated asexual stage from culture, which was physically linked to Pleurothecium recurvatum.[6] Réblová et al. (2016) proposed to adopt Pleurothecium over Carpoligna (Art. F.8.1, Shenzhen code).[7] Thus, Carpoligna pleurothecii was then regarded as a synonym to Pleurothecium recurvatum.[4]
Based on morphological and molecular data, species Pleurotheciella was found to be closely related to the genera Pleurothecium and Sterigmatobotrys in 2012.[8] This was before the creation of the family Pleurotheciaceae in 2015.
A key to the various species of Pleurothecium was provided by Monteiro et al. (2016).[9]
Pleurothecium species are characterized by astromatic, semi-immersed to superficial, dark brown, venter subglobose to conical perithecia, with a papilla or short beak. They are sometimes lying toward the host, with or without setae (bristles), sparse or abundant, septate (having septa; divided by partitions), hyaline (transparent) paraphyses (sterile upward-growing, basally-attached hypha), unitunicate (single walled), cylindrical-clavate (club) shaped. They have a short-stipitate asci with a distinct, J-apical ring and hyaline (glass-like), 3-septate, ellipsoidal to fusiform ascospores without mucilaginous sheath or appendages. The asexual morphs have distinct brown conidiophores (conidia, which are borne on specialized stalks) and polyblastic, sympodially denticulate (having teeth-like structures) conidiogenous cells. It also has solitary, unicellular or septate, cylindrical, ellipsoidal, fusiform or clavate conidia, straight or slightly curved (Wu & Zhang 2009,[10] Réblová et al. 2012,[8] Luo et al. 2018,[11]).
It has a scattered distribution, including places such as China and Thailand,[4][12] Taiwan,[13] North America, South America (including Brazil,[9]), parts of Europe (including the United Kingdom,[14]) Australia,[15] and also New Zealand.[16][17][18]
They are found in terrestrial (soils,[10]) and freshwater habits,[4][12] on submerged leaves and wood.[14]
12 species are accepted by Species Fungorum;[19]
Former species;