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Plants
| Title | Common Name |
|---|---|
| Quisqualis indica | Shih Chun Tzu; Urdani; Wedani; Rangoon Creeper; Pokok setendai; Dani (Speckled) |
| Randia aculeata | Croc A Chien |
| Randia dumetorum | Mindal Arbud |
| Randia fasciculata | Akar duri (Thorny climber) |
| Ranunculus acris | Mao Ken; Wenwort; Altindugme; Mao Chin; Statice |
| Ranunculus glaberrimus | not available |
| Rehmannia glutinosa | Ti Huang; Kaikei-Zio; Akaya-Zio; Shu Ti Huang; Sheng Ti Huang; Ti Huang Chiu; Sheng Di |
| Reissantia indica | Hoeh tutung; Mangender; Ojot tju-tju-rian |
| Renealmia exaltata | Pacova |
| Rhamnus japonica | Kuro-Ume-Modoki; Shu Li; Japanese Buckthorn; Shan Li; Niu Li |
| Rheedia madruno | not available |
| Rheum emodi | Himalaya Rhubarb |
| Rheum officinale | Cin Ravendi; Da Huang; Kelembak; Ta Huang; Medicinel Rhubarb; Huang Liang; Chiang Chun |
| Rhizophora mangle | Ch'Ieh Ting; Manglier Chandelle; Mangrove; Red Mangrove; Mangle Colorado; Manglier Rouge; Mangle Rojo; K'Ao Hua; Manglier Noir |
| Rhus coriaria | Sumak Agaci; Sumbaq; Tursh; Somack; Notia; Sumak; Sommak; Zumaque; Sumac |
| Rhus glabra | Ciplak Sumak Agaci; Smooth Sumach; White Shoemake; Upland Sumach |
| Rhus terebinthifolia | Quauhchichioalli |
| Rhus trilobata | Squawberry; Lemonade Sumach |
| Ribes lobbii | not available |
| 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 |