Hooker, J.D.; Wilson, W. 1844: Musci Antarctici; being characters with brief descriptions of the new species of Mosses discovered during the voyage of H.M. Discovery ships, Erebus and Terror, in the southern circumpolar regions, together with those of Tasmania and New Zealand. London journal of botany 3: 533-556.
The epithet purpurascens means becoming purple., Lectotype: Campbell's Island, in moist bogs, amongst grasses, altitude 1000 ft., J.D. Hooker, BM! (Designated by Goffinet 2006.) Isolectotypes: BM-K!
NZOR Concept Id
NZFLORA (2012-) New Zealand Plant Names - Name based concepts