No taxon left behind? - a critical taxonomic checklist of Carpinus and Ostrya (Coryloideae, Betulaceae) Author Holstein, Norbert Rheinische Friedrich-Wilhelms-Universität Bonn, Bonn, Nordrhein-Westfalen, Germany. & Corresponding author: holstein @ uni-bonn. de Author Weigend, Maximilian Rheinische Friedrich-Wilhelms-Universität Bonn, Bonn, Nordrhein-Westfalen, Germany. & Email: mweigend @ uni-bonn. de text European Journal of Taxonomy 2017 2017-12-07 375 1 52 journal article 21949 10.5852/ejt.2017.375 c072dbcc-028b-4fa2-a564-8601e0435854 2118-9773 3838542 31. Carpinus purpurinervis Hu Acta Phytotaxonomica Sinica 9: 293 ( Hu 1964 ). – Type : China , Kwangsi [ Guangxi ], Du-an, in forests, 2 Jul. 1957 , Y.K. Li [ Li Yin-kuen / 李荫昆 ] P01567 (holo-: PE; iso-: IBK00190887!, IBK00190888!, IBK00190889!, IBK00190890!, IBK00190891!, IBSC0368220).