The lichen genus Pertusaria in Rarotonga, Cook Islands

Authors :: John A. Elix
Alan W. Archer
Source :: Telopea. 18:19-26
Publication Year :: 2015
Publisher :: Royal Botanical Gardens and Domain Trust, 2015.
Abstract: The first account of the lichen genus Pertusaria (Pertusariaceae) on the island of Rarotonga (Cook Islands) is given. A total of 8 taxa are recorded, of which 5 are new to science viz: Pertusaria atroguttata, P. homilocarpa, P. megacarpa, P. rarotongensis and P. rarotongensis var. stictica. A key to the species is provided.