Type specimens online: What is available, what is not, and how to proceed; Reflections based on an analysis of the images of type specimens of southern African Polygala (Polygalaceae) accessible on the worldwide web

Author: Smith Gideon F.   Figueiredo Estrela  

Publisher: International Association for Plant Taxonomy

ISSN: 1996-8175

Source: Taxon, Vol.62, Iss.4, 2013-08, pp. : 801-806

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