A key and synopsis of the mosses of Campbell Island, New Zealand

Abstract The moss flora of Campbell Island (52°33′S, 169°08′E) is reported to consist of 119 species, 3 varieties, and 1 form. A key is given. Historically, Campbell Island is important because of the numerous type specimens collected there. Sixty-eight of these taxa are reported as new to the island. The new combinations Thamnobryum pandum (H. f. & W.) Vitt* and Hypopterygium novae-seelandiae fo. glaucum (Sull.) Vitt are made. Four species are reported as new to the Australasian region: Anisothecium persquarrosum (Dus.) Broth., Plagiothecium laetum B.S.G., Pseudodistichium austro-georgicum Card., and Tortella fragilis (Honk. & Wils.) Limpr. An alphabetical listing of all species is given.