KAJIAN KARAKTERISTIK AKSESI Echinacea purpurea (L.) Moench DI BALAI BESAR PENELITIAN DAN PENGEMBANGAN TANAMAN OBAT DAN OBAT TRADISIONAL Characteristics study of Echinacea purpurea(L.) Moench on Medicinal Plant and Traditional Research and Development Cent - Fauzi, Fauzi (Badan Penelitian dan Pengembangan Kesehatan, 2013)