]> A barcode-00196723 China Sichuan Dujiangyan Municipality (formerly Guan Xian); just E of the town of Longxi along the E flowing tributary of the Longxi River. Erigeron canadense Linnaeus Linnaeus 2010-08-16 16:36:25 D. E. Boufford, B. Bartholomew, G. Li & G. H. Zhu