Dahanayake, N.; Yang, Yue-Sheng
(University of Ruhuna, Wellamadama, Matara, 2012-02-22)
Echinacea purpurea L., commonly known as purple coneflower, belongs to the
family Asteraceae, is one of the most economically important and popular
medicinal perennial herb presently used in the world ranking beside ...