Cetraria

Cetraria is a genus of fruticose lichens that associate with green algae as photobionts. Most species are found at high latitudes, occurring on sand or heath. Species have a characteristic "strap-like" form, with spiny lobe edges.

Cetraria
Cetraria aculeata
Scientific classification
Kingdom: Fungi
Division: Ascomycota
Class: Lecanoromycetes
Order: Lecanorales
Family: Parmeliaceae
Genus: Cetraria
Ach. (1803)
Type species
Cetraria islandica
(L.) Ach. (1803)
Synonyms[1]
  • Cetraria sect. Platysma Körb. (1859)
  • Cetrariomyces E.A.Thomas (1939)
  • Coelocaulon Link (1833)
  • Geissodea Vent. (1799)
  • Platisma Hoffm. (1796)
  • Platyphyllum Vent. (1799)
  • Pseudocornicularia Gyeln. (1933)
  • Squamaria Hoffm. (1789)

Cetraria islandica, Iceland moss, is one of the few culinary lichens, ground and eaten by Northern Europeans in times of famine.

Another species is used today as a "bulking" agent in garam masala of traditional Indian cuisine.

Species
  • Cetraria aculeata (Schreb.) Fr. (1826)
  • Cetraria australiensis W.A.Weber ex Kärnefelt (1977)
  • Cetraria corrugata (R.F.Wang, X.L.Wei & J.C.Wei) Divakar, A.Crespo & Lumbsch (2017)
  • Cetraria endochrysea (Lynge) Divakar, A.Crespo & Lumbsch (2017)
  • Cetraria flavonigrescens (A.Thell & Randlane) Divakar, A.Crespo & Lumbsch (2017)
  • Cetraria isidiigera (Kurok. & M.J.Lai) Divakar, A.Crespo & Lumbsch (2017)
  • Cetraria islandica (L.) Ach. (1803)
  • Cetraria minuscula (Elenkin & Savicz) McCune (2018)
  • Cetraria muricata (Ach.) Eckfeldt (1895)
  • Cetraria odontella (Ach.) Ach. 1814)
  • Cetraria racemosa (Lynge) Øvstedal (2009)
  • Cetraria sepincola (Hoffm.) Ach. (1803)
  • Cetraria sinensis (X.Q.Gao) Divakar, A.Crespo & Lumbsch (2017)
  • Cetraria wangii Divakar, A.Crespo & Lumbsch (2017)
  • Cetraria weii Divakar, A.Crespo & Lumbsch (2017)

References
  1. "Synonymy: Cetraria Ach". Species Fungorum. Retrieved 1 May 2020.
  • Cetraria arenaria
  • Cetraria islandica
  • Cetraria laevigata
  • Marginal projections on C. laevigata


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