Abstract
ABSTRACT Pteridaceae is a large family of ferns in New Zealand with six genera, 15 indigenous species and 11 naturalised species. Eleven lectotypes are designated for basionyms relevant to New Zealand – Adiantum affine var. heterophyllum Colenso, A. cunninghamii Hook., A. pullum Colenso, A. trapeziforme G.Forst., A. trigonum Labill., Cheilanthes sieberi var. deltoidea J.B.Armstr., C. kirkii J.B.Armstr., Pteris affinis A.Rich., P. macilenta A.Rich., P. macilenta var. saxatilis Carse, and P. pendula Colenso. No type material has been found for the indigenous taxon Adiantum affine var. chathamicum Field, and the type for this name remains undesignated. Lectotypes are being chosen where possible for all names at specific and subspecific rank, for which no holotype was designated by the original author, in order to fix the application of the name concerned. Justification for the choice is provided in each case. This article is a contribution towards clarifying the taxonomic and nomenclatural status of New Zealand plants for the plant names database (Ngā Tipu Aotearoa) and the electronic Flora of New Zealand.
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