This article is about the genus of fungi. For the defunct legume genus, see Astragalus (plant).
Phacopsis
Closeup of Phacopsis vulpina gall on Letharia sp.; scale bar is 0.5 mm
Scientific classification
Domain:
Eukaryota
Kingdom:
Fungi
Division:
Ascomycota
Class:
Lecanoromycetes
Order:
Lecanorales
Family:
Parmeliaceae
Genus:
Phacopsis Tul. (1852)
Type species
Phacopsis vulpina
Tul. (1852)
Species
See text
Phacopsis is a genus of lichenicolous (lichen-dwelling) fungi. They are parasites of members of the large lichen family Parmeliaceae, of which they are also a member. Originally proposed by Edmond Tulasne in 1852 to contain 3 species, Phacopsis now contains 10 species, although historically, 33 taxa have been described in the genus. Many of the species are poorly known, some of them having been documented only from the type specimen.
Phacopsis species appear as partially immersed, shiny brown to black apothecia that cause gall-like deformations on the thallus of the host lichen. Features of Phacopsis used to distinguish species from each other include the shape of their spores, and the colour and reaction of the hypothecium (a tissue layer under the spore-bearing hymenium) when stained using an iodine–starch test. Since Phacopsis fungi are usually restricted to living on hosts belonging to a single phylogenetic clade, the identity of the host lichen is another diagnostic character used to identify species.
then considered to be members of Phacopsis actually comprised three distinct lineages, representing three genera: Phacopsis, Nesolechia, and the newly circumscribed...
Phacopsis vulpicidae is a species of lichenicolous (lichen-dwelling) fungus in the family Parmeliaceae. It was formally described as a new species in...
Phacopsis lethariellae is a species of lichenicolous (lichen-dwelling) fungus in the family Parmeliaceae. It was formally described as a new species in...
Walter Rambold transferred the taxon to the genus Phacopsis in 1988. The known generic hosts of Phacopsis thallicola are all in the Parmeliaceae: Parmotrema...
Phacopsis oroarcticae is a species of lichenicolous (lichen-dwelling) fungus in the family Parmeliaceae. It was formally described as a new species in...
molybdiza. Phacopsis australis grows superficially (i.e., on the surface) on the thallus of its host. Unlike other members of the genus Phacopsis, it is cecidogenous...
Phacopsis vulpina is a species of lichenicolous (lichen-dwelling) fungus in the family Parmeliaceae, and the type species of the genus Phacopsis. It was...
lichens in the genus Peltigera, was previously classified in the genus Phacopsis. Skyttella stictae, an Ecuadorian species that grows on Sticta, was added...
Tremellales including a new species Tremella huuskonenii hyperparasitic on Phacopsis huuskonenii". Fungal Biology. 119 (9): 844–856. Bibcode:2015FunB..119...
5943/mycosphere/11/1/8. hdl:10481/61998. Triebel, D.; Rambold, G. (1988). "Cecidonia und Phacopsis (Lecanorales): zwei lichenicole Pilzgattungen mit cecidogenen Arten"....
P. (2000). "Echinodiscus lesdainii gen. et comb. nov., a new name for Phacopsis lesdainii Vouaux (lichenicolous Ascomycetes, Leotiales)". Bulletin de...
(1988). "Cecidonia und Phacopsis (Lecanorales): zwei lichenicole Pilzgattungen mit cecidogenen Arten" [Cecidonia and Phacopsis (Lecanorales): two lichenicolous...
Hypogymnia zeylanica), Muellerella antarctica (on Hypogymnia antarctica), Phacopsis cephalodioides (on Hypogymnia physodes). Others have a less specific host...
Hawksworth, D.L.; Santesson, R. (1988). "Skyttella, a new genus for Phacopsis mulleri Willey (syn. Agyrium flavescens Rehm)". Graphis Scripta. 2: 33–37...
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