Buellia gypsyensis

Species of lichen

Buellia gypsyensis is a species of crustose lichen in the family Caliciaceae. Found in the Falkland Islands, it was described as a new species in 2019 by British lichenologist Alan Fryday. The type was collected from Gypsy Cove near Port Stanley in East Falkland, where it was found growing on a north-facing rock; it is named for its type locality. The main distinguishing characteristics of the lichen are its filiform (threadlike) conidia and the presence of 5-O-methylhiascic acid as the major secondary chemical in the thallus.

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