A taxonomic revision of the genusGrammitisSw. (Grammitidaceae : Filicales) in New Zealand

Abstract
Four of the 10 taxa of Grammitis recorded from New Zealand and its subantarctic islands are new: G. givenii, G. magellanica subsp. nothofageti, G. pseudociliata, and G. rawlingsii all belong to the group of G. billardieri Willd., which is here treated in a strict sense. G. magellanica and G. patagonica are recorded for the first time in New Zealand. G. armstrongii is reinterpreted to include extra-Australasian material. Synonymy, typification, description, habitat data, extra-New Zealand distribution, citation of specimens examined, and distribution maps are given for each species and a key is provided.

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