Parmotrema aberrans

Parmotrema aberrans is a species of lichen in the family Parmeliaceae. It is found in the Neotropics, from Mexico to Paraguay.[1] The species was originally described by Edvard August Vainio in 1890 as a form of Parmelia xanthina.[2] In 1958, Henry Nicollon des Abbayes promoted it to species level within Parmelia.[3] Luciana Canêz and Marcelo Marcelli transferred it to Parmotrema in 2008.[4]

Parmotrema aberrans
Scientific classification
Kingdom: Fungi
Division: Ascomycota
Class: Lecanoromycetes
Order: Lecanorales
Family: Parmeliaceae
Genus: Parmotrema
Species:
P. aberrans
Binomial name
Parmotrema aberrans
(Vain.) Canêz & Marcelli (2008)
Synonyms
  • Parmelia xanthina f. aberrans Vain. (1890)
  • Parmelia aberrans (Vain.) Abbayes (1958)

Characteristics of Parmotrema aberrans include a greenish-yellow thallus (due to the presence of usnic acid), continuous cilia on the margins, cylindrical isidia with cilia, and the presence of gyrophoric acid in the medulla. Parmotrema xanthinum is quite similar in appearance and morphology, but lacks medullary gyrophoric acid.[4]

The lichenicolous fungus Macroskyttea parmotrematis (Helotiales), reported as a new genus and species in 2015, inhabits the thalli of Parmotrema aberrans (as well as P. ultralucens).[5]

See also

References
  1. Kukwa, Martin; Bach, Kerstin; Sipman, Harrie J.M.; Flakus, Adam (2012). "Thirty-six species of the lichen genus Parmotrema (Lecanorales, Ascomycota) new to Bolivia". Polish Botanical Journal. 57 (1): 243–257.
  2. Vainio, Edvard A. (1890). "Étude sur la classification naturelle et la morphologie des Lichens du Brésil. Pars prima". Acta Societatis Pro Fauna et Flora Fennica (in French). 7 (1): 1-247 (see p. 37).
  3. Abbayes, H. des. (1958). "Lichens recoltes en Guinée Française et en Cote d'Ivoire (Missions H. des Abbayes 1948, 1951 et 1954) IX.-- Supplement aux Parmeliacees". Bulletin de l'Institut Fondamental d' Afrique Noire (in French). 20 (1): 1–27.
  4. Marcelli, Marcelo P.; Canêz, Luciana S. (2008). "Novelties on Southern Brazilian Parmeliaceae". Mycotaxon. 105: 225–234.
  5. Etayo, Javier; Flakus, Adam; Suija, Ave; Kukwa, Martin (2015). "Macroskyttea parmotrematis gen. et sp. nov. (Helotiales, Leotiomycetes, Ascomycota), a new lichenicolous fungus from Bolivia". Phytotaxa. 224 (3): 247–257. doi:10.11646/phytotaxa.224.3.3.
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