A taxonomic revision of the Lichen genus Hypogymnia in Australasia.

Abstract

The Australian, New Zealand and Papua New Guinean representatives of Hypogymia are reviewed. Photographs, keys and descriptions are given for the 11 species and five varieties. Two new species are described, H. enteromorphoides and H. kosciuskoensis, as well as a new variety, H. subphysodes var. austerodioides and six new combinations are made, namely H. lugubris var. sublugubris, H. lugubris var. compactior, H. pulchrilobata, H. pul- verata, H. tubularis and H. turgidula. Distribution of these taxa is discussed and maps have been provided. The species included in this revision are H. billardieri, H. enteromorphoides, H. kosciuskoensis, H. lugubris, H. mundata, H. pulchrilobata, H. pulverata, H. subphysodes, H. tubularis, H. turgidula and H. vittata.