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Plants
| Title | Common Name |
|---|---|
| Ranunculus japonicus | not available |
| Ranunculus scleratus | Shih Lung Jui; Crowfoot,Acrid; Ti Shen; Shui Chin; K'U Chin; Cloffing |
| Raputia magnifica | not available |
| Reseda luteola | Mahabbet Chichegi; Muhabbetcicegi; Thail Ath Thikh; Pastel Sauvage; Woad |
| Retama raetam | Retemshrub |
| Rheum officinale | Cin Ravendi; Da Huang; Kelembak; Ta Huang; Medicinel Rhubarb; Huang Liang; Chiang Chun |
| Rhododendron fortunei | Yeh P'I P'A |
| Rhus parviflora | not available |
| Rhus semialata | Fu Yang; Yen Fu Tzu; Fu Mu |
| Rhus vernicifera | Ch'I; Kan Ch'I |
| Rhus verniciflua | Urusi |
| Ricinus communis | To-Goma; Pei Ma; Bean,Castor; Huile Ricin; Khirwe; Jarak; Pi Ma; Castor Bean; Castor; Gana Garchak; Hintyagi Agaci; Palma Christi; Higuerilla; Eranda; Tartago; Sittamoonaka; Castorbean; Ricino |
| Rosa laevigata | Chin Ying Tsu; Naniwa-Ibara |
| Rosmarinus officinalis | Biberiye; Romarin; Romero; Rosemary; Anthos; Mannen-Ro; Romero Comun |
| Rubia cordifolia | Ti Hsueh; Jan Fei Ts'Ao; Ch'Ien Ts'Ao; Hsueh Chien Ch'Ou; Sou; Ch'Ien; Manjistha |
| Rumex ecklonianus | not available |
| Rumex japonicus | Gisi-Gisi; Niu She Ts'Ai; Kuei Mu; Yang Ti; Yang Ti Gen; Tu Ts'Ai; Chin Ch'Iao Mai; Yang Ti Ta Huang |
| Rungia repens | not available |
| Ruta chalepensis | Fringed Rue; Ko-Henruda |
| Ruta graveolens | Rue; Godong mungu; Yun Hsiang Ts'Ao; Bahce Sedefotu; Ruta; Henruda; Rue Fetide; Ruda; Sadal; Aruda; Ubat atal |