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Angiactis

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Angiactis
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Fungi
Division: Ascomycota
Class: Arthoniomycetes
Order: Arthoniales
Family: incertae sedis
Genus: Angiactis
Aptroot & Sparrius (2008)
Type species
Angiactis littoralis
(Kantvilas) Aptroot & Sparrius (2008)
Species

A. banksiae
A. bermudensis
A. littoralis
A. spinicola

Angiactis is a genus of crustose lichens of uncertain familial placement in the order Arthoniales.[1] It has four species.[2]

Taxonomy

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The genus was circumscribed in 2008 by lichenologists André Aptroot and Laurens Sparrius, with Angiactis littoralis assigned as the type species. This lichen was originally described as a species of Lecanographa by Gintaras Kantvilas. The genus name Angiactis derives from the Greek αγγείο ("receptacle") and αὐτός ("shaped"), and refers to the thalline excipulum that covers the fruiting bodies.[3]

Description

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Angiactis species have a thalline exciple (rim), but lack a cortex. Their asci are of the Grumulosa-type, and the ascospores are hyaline, with thick walls. The excipulum is carbonized (blackened) and does not have any reaction with a KOH solution.[3]

Species

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As of July 2024, Species Fungorum (in the Catalogue of Life) accepts four species of Angiactis:[2]

References

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  1. ^ Wijayawardene, N.N.; Hyde, K.D.; Dai, D.Q.; Sánchez-García, M.; Goto, B.T.; Saxena, R.K.; et al. (2022). "Outline of Fungi and fungus-like taxa – 2021". Mycosphere. 13 (1): 53–453. doi:10.5943/mycosphere/13/1/2. hdl:10481/76378.
  2. ^ a b "Angiactis". Catalogue of Life. Species 2000: Leiden, the Netherlands. Retrieved 17 July 2024.
  3. ^ a b Aptroot, André; Sparrius, Laurens B.; LaGreca, Scott; Bungartz, Frank (2008). "Angiactis, a new crustose lichen genus in the Roccellaceae, with species from Bermuda, The Galápagos Islands and Australia". The Bryologist. 111 (3): 510–516. doi:10.1639/0007-2745(2008)111[510:aanclg]2.0.co;2.
  4. ^ Kantvilas, G.; Stajsic, V.; McCarthy, P.M. (2020). "A new combination in Angiactis (lichenised Ascomycetes: Roccellaceae)" (PDF). Muelleria. 38: 71–75. doi:10.5962/p.337580.