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.

Gallery

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  Cetraria arenaria
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  Cetraria islandica
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  Cetraria laevigata
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  Marginal projections on C. laevigata