Abstract
A revision of the nomenclature of six South American taxa related to Woodsia is presented, as a part of a taxonomic revision of the genus in South America. Lectotypes are selected for Cheilanthes crenata, Woodsia crenata var. pallidipes, Woodsia incisa, Woodsia montevidensis var. fuscipes and the second step lectotypification for Dicksonia montevidensis and Woodsia peruviana, based on the analysis of their protologues and original herbarium material. All names are currently synonyms of Woodsia montevidensis. Physematium incisum (Gillies ex Hook. & Grev.) Kunze constitutes an illegitimate name and Physematium cumingianum is considered as nomen inquirendum.
Highlights
Woodsia (Polypodiidae: Woodsiaceae) is a genus comprising about 35-40 taxa of small and tufted ferns growing on or in the vicinity of cliffs and rocks (Brown 1964)
Typification was done according to the current edition of the International Code of Nomenclature for algae, fungi and plants (ICN) (McNeill et al 2012) and considering the proposal concerning inadvertent lectotypifications and neotypifications (Prado et al 2015)
In this paper we have arranged the South American taxa related to Woodsia in alphabetical order by the names under Woodsia, as all of them are current synonyms of Woodsia montevidensis (Spreng.) Hieron., following Brown (1964), de la Sota (1977), and Tryon and Stolze (1991)
Summary
Woodsia (Polypodiidae: Woodsiaceae) is a genus comprising about 35-40 taxa of small and tufted ferns growing on or in the vicinity of cliffs and rocks (Brown 1964). Since Kunze’s own herbarium in Leipzig is destroyed, we looked for further original material of Cheilanthes crenata from Huanuco, Peru collected by Poeppig at B, BM, K, L, LE, MO, NY, OXF, P, PCR, US and W.
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