M. A. Iyengar: Pharmacognosy of Powdered Crude Drugs
1. Radix / Root Drugs, 2. Rhizoma / Rhizome Drugs, 3. Rhizoma & Radix / Rhizome & Root Drugs, 4. Cortex / Bark Drugs, 5. Lignum / Wood Drugs, 6. Folia / Leaf Drugs, 7. Flores / Flower Drugs, 8. Fruct …