Willeya laevigata
Willeya laevigata is a species of saxicolous, crustose lichen in the family Verrucariaceae. Found in northwest Vietnam, it was formally described as a new species in 2014 by Cécile Gueidan. The type specimen was found growing on shaded calcareous rock outcrops in a rainforest in the Mai Châu district of Hòa Bình province. The species epithet laevigata refers to the smooth upper surface of the thallus.