Buellia subeffigurata

Species of lichen

Buellia subeffigurata is a species of crustose lichen in the family Caliciaceae. Found in South Africa, it was formally described as a new species in 2021 by John Alan Elix, Helmut Mayrhofer, and Wolfgang Wetschnig. The type specimen was collected in the Knersvlakte, at an altitude of 150 m (490 ft). Here the saxicolous lichen was found growing on quartziferous rock. The species epithet refers to its subeffigurate marginal lobes. The results of standard chemical spot tests are: thallus K+ (yellow), P+ (yellow-orange), and C−. Buellia subeffigurata contains thiophanic acid as a major secondary chemical, and isoarthothelin and atranorin as minor compounds.

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