Angiactis

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

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

Taxonomy

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.[2]

Description

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.[2]

Species

  • Angiactis banksiae (Müll.Arg.) Kantvilas & Stajsic (2020)[3]
  • Angiactis bermudensis LaGreca (2008)Bermuda
  • Angiactis littoralis (Kantvilas) Aptroot & Sparrius (2008) – Australia
  • Angiactis spinicola Aptroot & Sparrius (2008)Galápagos

References

  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. S2CID 249054641.
  2. 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. S2CID 83567129.
  3. 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. S2CID 250994517.
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