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Plants
| Title | Common Name |
|---|---|
| Rhus succedanea | Huang Lu; Karkata; Haze(Ryukyu-Haze) |
| Rhus verniciflua | Urusi |
| Rhynchosia phaseoloides | Liane Bandee |
| Rhynchosia pyramidalis | Bejuco Pega-Palo; Nahuatl; Colorin |
| Rhynchosia pyramidata | 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 |
| Rivina humilis | Yerba De Cancer; Bonbon Codine; Caimoni Cimarron; Bonbon Coq D'Inde |
| Robinia pseudo-acacia | Black Locust |
| Robinia pseudoacacia | Akasya; Black Locust; Salgim Chichekli Aghaji; Al Sant Al Kathib |
| Rourea glabra | not available |
| Rourea minor | Beririt |
| Rourea volubilis | not available |
| Rudbeckia hirta | Black-Eye Suzan |
| Rudbeckia laciniata | Cone Flower |
| Rumex acetosa | Sorrel; Sorrel,Garden; Shan Tang Ti; Kuzukulagi; Suan Mo; Vinagrella; Acedera; Lapathus; Shan Ta Huang |
| Rumex acetosella | Sheep Sorrel; Sorrel,Field; Wilde Zuring; Acederilla; Chuka Palam; Petite Oseille; Acidula; Sorrel,Sheep'S; Sorrel; Chutrika; Cizana; Acetosella; Kleiner Sauer Ampfer; Tangax Uqux |
| Rumex crispus | Curly Dock; Kivircik Labada; Oseille Sauvage; Dock,Yellow; Hualtata; Oseille Marron; Chin Ch'Iao Mai; Niu She T'Ou; Surale Di Bierdji; Hummaidh |
| Rumex sp | Dock; Chun She |
| Rumex vesicarius | Hummaidh; Amlaveterinaryasa |
| Ruta graveolens | Rue; Godong mungu; Yun Hsiang Ts'Ao; Bahce Sedefotu; Ruta; Henruda; Rue Fetide; Ruda; Sadal; Aruda; Ubat atal |