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CCDB → Angiosperms → Colchicaceae → Colchicum → Colchicum ritchii R. Br.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Colchicum ritchii R. Br. | Colchicum ritchii R. Br. | 14 | IAPT/IOPB | IAPT/IOPB Chromosome Data 7 | |||
| Colchicum ritchii R. Br. | Colchicum ritchii R. Br. | 14 | Chacón, 2014 | Feinbrun 1958 | |||
| ! | Colchicum ritchii R. Br. | Colchicum ritchii R. Br. | 14 | Darlington, 1955 | Feinbrun unp. | ||
| Colchicum ritchii R. Br. | Colchicum ritchii R. Br. | 14 | Cave1958 | Feinbrun 1958a |