A palynotaxonomic study of the genus Filipendula (Rosaceae)
Sangtae LEE, Meekyung KANG, Kyeong-In HEO, Wen-Li CHEN, Chunghee LEE
J Syst Evol . 2009, (2): 115 -122 .  DOI: 10.1111/j.1759-6831.2009.00010.x