Medicinal plants 336 Medicinal Plants 111 MEDICINAL PLANTS 58 Economic botany 51 Botany 46 Dissertations, Academic (Ph.D) 45 India 27 medicinal plants 27 Materia medica, Vegetable 21 Medicine 21 Thesis (Ph.D)-Biochemistry 21 MEDICINAL PLANT 20 Plants 20 Ayurveda 19 Medicinal Plants - Breeding 18 Medicinal Plants - Processing 18 Medicinal and Aromatic Plants 18 Economic Botany 17 Aromatic plants 16 Herbs 16 Medicinal plants-India 16 Recent progress in medicinal plants -- Indexes--- Medicinal plants -- Research -- Indexes-- Materia medica, Vegetable -- Research -- Indexes 15 Ethnobotany 14 Medicine, Ayurvedic 14 Thesis (Ph.D)-Botany 14 Traditional medicine 14 Biotechnology 13 Medicinal Plants India 13 Medicinal Plants-- Economic botany 13 MEDICINAL PLANTS; 12