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Plants
| Title | Common Name |
|---|---|
| Rinorea kunstleriana | Sigoh; Setong pachat; Sigoniah |
| Rivea corymbosa | Ololiuqui |
| Rolandra fruticosa | not available |
| Rosa chinensis | Yueh Chi Hua |
| Rosa multiflora | Fo Chien Hsiao; Ch'Iang Wei; No-Ibara; Ying Shih; Ch'Iang Mi |
| Rubus spectabilis | not available |
| Rubus ursinus | not available |
| Ruellia repens | Deras malam); Akar keremak (Poultice plant); Deras malam; Seranam; Rumput halyor |
| 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 |
| Rumex nepalensis | Yang Ti Gen |
| Rumex obtusifolius | Lapathus; Lappacium; Kut Yaprakli Labada; Dock,Blunt-Leaved; Hummaidh; Surale Di Tch'Van |
| Rumex occidentalis | not available |
| Rumex violascens | not available |
| Ruta chalepensis | Fringed Rue; Ko-Henruda |
| Rytigynia canthioides | not available |
| Sadleria hillebrandii | not available |
| Sagina maxima | Ch'I Ku Ts'Ao |
| Sagittaria sagittifolia | Chien Tao Ts'Ao; Pai Ti Li; T'Zu Ku; Chieh Ku; Shui P'Ing; Yen Wei Ts'Ao; Suokiu |
| Salix babylonica | Weeping Willow; Liu; Al Baki; Liu Chiao; Al Safsaf; T'Ien Ch'A; Dar Be; Salgueiro Chorao |
| Salix nigra | Kara Sogut; Black Willow; Willow,Black |