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Yuan Q, Yang QE. 2006. Chromosomes of four species in three genera of Commelinaceae from China and their systematic implications. Botanical Journal of the Linnean Society. 152: 399-403.

Yuan Q, Yang QE. 2006. Cytology, palynology, and taxonomy of Asteropyrum and four other genera of Ranunculaceae. Botanical Journal of the Linnean Society. 152: 15-26.

Yuan Q, Yang QE. 2006.Tribal relationships of Beesia, Eranthis and seven other genera of Ranunculaceae: evidence from cytological characters. Botanical Journal of the Linnean Society.150: 267-289.

Yuan Q, Yang QE. 2006. Polyploidy in Aconitum subgenus Lycoctonum (Ranunculaceae). Botanical Journal of the Linnean Society. 150: 343-353.