Dahanayake, N.Chen, X-L.Zhao, F-C.Yang, Y-S.Hong Wu, H.2012-04-102012-04-102010Tropical Agricultural Research and Extension13(2)pp.29-32https://dl.nsf.gov.lk/handle/1/8112AgricultureMedicinal plantsPurple coneflowerEchinacea purpurea LPlant regenerationIn vitro propagationAn efficient in vitro propagation system for purple cone-flower (Echinacea purpurea L)Article