Psoronactis

<i>Psoronactis</i>

Psoronactis

Species of lichen

Psoronactis is a monotypic fungal genus in the family Roccellaceae. It contains the single species Psoronactis dilleniana, a saxicolous (rock-dwelling), crustose lichen. This species was first described in 1799 by Swedish lichenologist Erik Acharius as Lichen dillenianus.[2] The taxon was shuffled to several genera in the 1800s as different authors had different opinions on how to classify the species;[1] in more modern times, it was transferred to genus Lecanographa in 2013.[3] Psoronactis was circumscribed in 2014 by Damien Ernst and Anders Tehler, following molecular phylogenetic analysis and revision of the Roccellaceae that showed the species occupied a distinct lineage in the family. The genus name alludes to the lichen products present in its thallus: psoromic acid and 2'-O-demethylpsoromic acid. It is these compounds that differentiate it chemically from the similar genus Lecanactis.[4]

Quick Facts Psoronactis, Scientific classification ...

References

  1. [1]
    "Synonymy. Current Name: Psoronactis dilleniana (Ach.) Ertz & Tehler, in Ertz, Tehler, Irestedt, Frisch, Thor & van den Boom, Fungal Diversity 70: 46 (2014) [2015]". Species Fungorum. Retrieved 12 November 2022.
  2. [2]
    Acharius, Erik (1799). Lichenographiae Sueciae Prodromus (in Latin). Linköping: D.G. Björn. p. 57.
  3. [3]
    Obermayer, Walter (2013). "Dupla Graecensia Lichenum (2013, numbers 801–960)" (PDF). Fritschiana. 76: 1–45 [20].
  4. [4]
    Ertz, Damien; Tehler, Anders; Irestedt, Martin; Frisch, Andreas; Thor, Göran; van den Boom, Pieter (2014). "A large-scale phylogenetic revision of Roccellaceae (Arthoniales) reveals eight new genera". Fungal Diversity. 70 (1): 31–53. doi:10.1007/s13225-014-0286-5. S2CID 7994392.


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