Abstract:Based on examinations of type specimens housed at PE, lectotypes for twenty names of Chinese taxa in Angiospermae are here designated under Article 8.1, 9.9, 9.10 and 37.2, Recommendation 9A.2 and 9A.3 of the International Code of Botanical Nomenclature (Vienna Code), because the types were respectively indicated by reference to a gathering that consists of more than one specimen, or more than one gatherings were simultaneously designated as types, or more than one gatherings were simultaneously designated, without indicating the type in the protologue.