Abrothallus bertianus De Not., G. bot. ital. 2(1.1): 192 (1846).
Index Fungorum number: IF 478577; Facesoffungi number: FoFxxx, Fig. 1
Description: see Suija et al. (2018).
Material examined: see Suija et al. (2018).
Fig. 1. Abrothallus spp. (re-drawn from Fig. 1 in Suija et al. 2018). a Paraphyses of A. parmeliarum. b Mature ascus with mature ascospores. c Ascospore with one septum in A. bertianus. d Ascospore with three septa in A. suecicus. e Ascospores divided into two part-spores in A. secedens. f Surface view of pycnidia of A. bertianus on the thallus of Melanelixia fuliginosa. g Conidiospores of A. bertianus.
Importance and role
Importance of genus to ecosystem
Species of Abrothallus are lichenicolous and form obligate associations with lichens either as saprotrophs that inhabit dead lichen thalli, or parasites that acquire fixed carbon from living lichen hosts (Hawksworth 1982, 1988; Lawrey and Diederich 2003).
Industrial relevance and applications
The industrial applications of Abrothallus have not been investigated.
No disease has been reported from Abrothallus.
Biochemical importance of the genus, chemical diversity or applications
The chemical diversity of Abrothallus has not been investigated.
Diversity of the genus
Even though there are 68 Abrothallus epithets in Index fungorum, the real number of species is less as several species have been synonymized and transferred to other genera such as Arthonia, Bachmanniomyces, Clypeococcum, Karschia, Micarea, Punctelia, Sclerococcum, Sphaerellothecium, Taeniolella and Tetramelas. Abrothallus is found on wide range of host such as Fraxinus sp. (Oleaceae), Parmelia sp. (Parmeliaceae), Platismatia glauca (Parmeliaceae), Ramalina calicaris (Ramalinaceae), Sticta sp. (Lobariaceae) and Usnea sp. (Parmeliaceae). Abrothallus is reported from Canary Is., Colombia, England, Florida, Germany, Krasnoyarsk, Luxembourg, North Carolina, Peru, Portugal, Seychelles, Tasmania amongst others. Abrothallus may comprise many more species that awaits discovery. At the time of describing new species, a revision of Abrothallus must be carried out as several species that lacks molecular data might belong to other genera.
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