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Plants
| Title | Common Name |
|---|---|
| Chelone glabra | Tosbagacicegi; Turtlehead |
| Chiococca alba | Bejuco Timaque; Bejuco De Berraco; Cainca; Croc Souris; David'S Root; Quimaque; Jasmin Batard; Timacle; Timaque; Snowberry |
| Chlorophora tinctoria | Palo De Mora |
| Chrozophora plicata | not available |
| Chrozophora rottleri | not available |
| Chrysanthemum coronarium | T'Ung Hao; Buphthalmon; P'Eng Hao |
| Cicuta douglasii | not available |
| Cimicifuga foetida | not available |
| Cissampelos mucronata | not available |
| Cissampelos pareira | Aristoloche Lobee; Feuille Coeur; Bejuco De Raton; Liane Patte Cheval; Gasing-gasing |
| Cistus ladaniferus | Girit Ladeni; Jara; Ladanum |
| Citrullus colocynthis | Ebucehilkarpuzu; Handhal; Pikrokolokunthia; Phidangourgia; Coloquintida; Visala; Kozalk; Haji Qawugh |
| Citrus aurantifolia | Citron; Citronnier; Limau nipis; Limau amkian; Lima; Limau masam; Lima Bobo; Limau asam; Citron Vert; Citronnier Verjus |
| Citrus aurantium | Ch'Eng; Turunc; Kuang Chu; Orange; Chin Ch'Iu; Orange Sure; Z'Orange Sure; Bergamot; Hua Chu Hung; Coolie Orange; Naranja De Babor; Oranger; Naranjo Amargo; Naranja Agria |
| Claoxylon indicum | not available |
| Claoxylon polot | Juru asam |
| Clausena anisata | not available |
| Clematis dioica | Liane Bon Garcon; Cabellos De Angel; Barbas De Chivos |
| Clematis vitalba | Filbahar; Herbe Aux Gueux; Lienen Krut; Clematide; Berce De L'Avierje |
| Clerodendrum paniculatum | Pangil-pangil; Pepangil |