Yarrumia colensoiYarrumia colensoi is a species of lichen. It occurs in New Zealand, but is not endemic.DescriptionThis species is glaucous green, with a dimpled, wide, lobed upper surface. There are yellowish isidiate margins, and a light brown undersurface with pseudocyphellae.EcologyIt is known to grow on southern beech, podocarps, and other trees.EtymologyThe species name is derived from William Colenso. The cave wētā Maotaweta virescens will feed on it in captivity.