| Chaenorhinum minus |
| Chaenorhinum origanifolium |
| Chaenorhinum reyesii |
| Chaenorhinum robustum |
| Chaenorhinum rubrifolium |
| Chaetonychia cymosa |
| Chamaemelum mixtum |
| Chamaemelum nobile |
| Chenopodium album |
| Chenopodium ambrosioides |
| Chenopodium bonus-henricus |
| Chenopodium exsuccum |
| Chenopodium hybridum |
| Chenopodium multifidum |
| Chenopodium murale |
| Chenopodium opulifolium |
| Chenopodium polyspermum |
| Chenopodium pumilio |
| Chenopodium urbicum |
| Chenopodium vulvaria |
| Chiliadenus glutinosus
|