Abstract: In type specimens deposited at Herbarium (PE), Institute of Botany, Chinese Academy of Sciences, the types of some taxon names in Sympetalae from China are found to be syntypes under Article 9.5 of International Code of Nomenclature for algae, fungi, and plants (Melbourne Code), including Lonicera chrysantha Turcz. var. longipes Maxim., L.syringantha Maxim., L.tangutica Maxim. and Viburnum erubescens Wall. var. carnosulum W.W. Smith in Caprifoliaceae, Valeriana minutiflora Hand.-Mazz. and V.tangutica Batal. in Valerianaceae, Scabiosa bretschneideri Batal. in Dipsacaceae, and Ainsliaea scabrida Dunn, Anaphalis hancockii Maxim., A.lactea Maxim., Artemisia smithii Mattf., Blumea henryi Dunn, Cacalia matsudae Kitam., Cremanthodium discoideum Maxim., C.humile Maxim., Leontopodium haplophylloides Hand.-Mazz., L.roseum Hand.-Mazz., Nannoglottis carpesioides Maxim., Saussurea quercifolia W.W.Smith var. major Anth., Senecio begoniaefolius Franch., S.koualapensis Franch., S.sagitta Maxim., S.tanguticus Maxim. and Tanacetum potaninii Krash. var. suffruticosum Krash. in Asteraceae. According to Article 8.1, 9.11 and 9.12, and Recommendation 9A.3, lectotypes for twenty-four names are here designated.