Austroplaca hookeri

Austroplaca hookeri is a species of saxicolous (rock-dwelling), crustose lichen in the family Teloschistaceae.[2] It was originally described by Carroll William Dodge in 1965, as Gasparrinia hookeri. The type specimen was originally collected by British botanist and explorer Joseph Dalton Hooker on Cockburn Island; the species is named in his honour.[3] The taxon was transferred to the large genus Caloplaca in 2004,[4] and again to the genus Austroplaca in 2013 as part of a restructuring of the family Teloschistaceae.[5]

Austroplaca hookeri
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Fungi
Division: Ascomycota
Class: Lecanoromycetes
Order: Teloschistales
Family: Teloschistaceae
Genus: Austroplaca
Species:
A. hookeri
Binomial name
Austroplaca hookeri
(C.W.Dodge) Søchting, Frödén & Arup (2013)
Synonyms[1]
  • Gasparrinia hookeri C.W.Dodge (1965)
  • Caloplaca hookeri (C.W.Dodge) Søchting, Øvstedal & Sancho (2004)

The lichen forms rosettes up to 2.5 cm (1 in) in diameter. Its thallus is typically orange, although the colour is yellow in shaded areas. The lobes at the margins of the thallus are up to 1.5 mm long and 0.5 mm wide.[3] Austroplaca hookeri occurs on rocky seashores of the Antarctic Peninsula, Falkland Islands, and South Shetland Islands in maritime Antarctica.[6]

References
  1. "Synonymy. Current Name: Austroplaca hookeri (C.W. Dodge) Søchting, Frödén & Arup, in Arup, Søchting & Frödén, Nordic Jl Bot. 31(1): 37 (2013)". Species Fungorum. Retrieved 24 August 2023.
  2. "Austroplaca hookeri (C.W. Dodge) Søchting, Frödén & Arup". Catalogue of Life. Species 2000: Leiden, the Netherlands. Retrieved 24 August 2023.
  3. Dodge, Carroll W. (1965). "Lichenological notes on the flora of the Antarctic continent and the Subantarctic Islands: VI. New taxa from the Antarctic continent and adjacent islands". Transactions of the American Microscopical Society. 84: 507–529 [525]. doi:10.2307/3224798. JSTOR 3224798.
  4. Søchting, U.; Øvstedal, D.O.; Sancho, L.G. (2004). "The lichens of Hurd Peninsula, Livingston Island, South Shetlands, Antarctica". Bibliotheca Lichenologica. 88: 607–658 [622].
  5. Arup, Ulf; Søchting, Ulrik; Frödén, Patrik (2013). "A new taxonomy of the family Teloschistaceae". Nordic Journal of Botany. 31 (1): 16–83. doi:10.1111/j.1756-1051.2013.00062.x.
  6. Scur, Mayara Camila; Kitaura, Marcos Junji; de Paula, Julia Bianchi; Spielmann, Adriano Afonso; Lorenz, Aline Pedroso (2021). "Contrasting variation patterns in Austroplaca hookeri and Rusavskia elegans (Teloschistaceae, lichenized Ascomycota) in maritime Antarctica". Polar Biology. 45 (1): 101–111. doi:10.1007/s00300-021-02976-4.


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