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Updating classifications to reflect monophyly: 10 to 20 percent of species names change in Poaceae

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Abstract:

The ongoing realignment of angiosperm classification to create monophyletic groups is associated with the publication of numerous new combinations to transfer species between genera. How many species names will change in total? We use Poaceae as a model group to estimate the total number of name changes. We compare the species names accepted by the traditional classification system in GrassBase with the species names accepted by the recent research results compiled in GrassWorld. We estimate that 10%–20% of Poaceae species will have moved to a different genus by the time the realignment is complete. This is the first published estimate for a number of name changes associated with classification realignment to monophyletic groups.

Keywords: CLASSIFICATION; GRASSBASE; GRASSES; GRASSWORLD; MONOPHYLY; NAME CHANGES; POACEAE; REALIGNMENT

Document Type: Research Article

Affiliations: 1: Herbarium, Library and Archives, Royal Botanic Gardens, Kew, Richmond, Surrey TW9 3AB, U.K.;, Email: m.vorontsova@kew.org 2: Queensland Herbarium, DSITIA, Brisbane Botanic Gardens, Mt Coot-tha, Toowong, Queensland 4066, Australia

Publication date: August 14, 2012

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