Majbrit Zeuthen Søgaard

Catenarina is a genus of lichen-forming fungi in the family Teloschistaceae consisting of three species. These crustose lichens are characterized by their reddish-brown pigmentation and the presence of the secondary compound 7-chlorocatenarin. The genus is found in the southernmost regions of the Southern Hemisphere, including Antarctica, southern Patagonia, and the Kerguelen Islands.

Catenarina vivasiana is a species of crustose lichen in the family Teloschistaceae. It is found in the southernmost regions of South America, predominantly in Chile. Characterised by its dark reddish-brown thallus and unique chemistry, this lichen is named in honour of Spanish lichenologist Mercedes Vivas. It was formally described as a new species in 2014.

Catenarina iomma is a species of saxicolous (rock-dwelling), crustose lichen in the family Teloschistaceae. This Antarctic lichen was formally described as a new species in 1993 by Maria Olech and Ulrik Søchting; they initially classified it in Caloplaca. The type specimen was collected by the first author from the Admiralty Bay/Bransfield Strait junction, King George Island (South Shetland Islands), where it was found growing on beach rocks. The species epithet, which combines the Ancient Greek ios and omma, means "rusty eye", alluding to the orange apothecia (fruiting bodies) that are

Catenarina desolata is a species of lichen in the family Teloschistaceae. It was formally described as a new species in 2014 by lichenologists Ulrik Søchting, Majbrit Søgaard, and Arve Elvebakk. It is predominantly found in the southernmost parts of Chile, with some instances in Antarctica and the Kerguelen Islands. Characterised by its dark reddish-brown to almost purple apothecia, this species of lichen was originally thought to be lichenicolous, meaning it grows on other lichens, particularly Aspicilia species. The later discovery non-lichen-dwelling examples from James Ross Island in the

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