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CCDB → Angiosperms → Orobanchaceae → Castilleja → Castilleja gracilis Benth.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Castilleja gracilis Benth. | Castilleja gracilis Benth. | 10 | IPCN online | Chuang, T. I. & L. R. Heckard. 1993. Chromosome numbers of neotropical Castilleja (Scrophulariaceae: tribe Pediculareae) and their taxonomic implications. Ann. Missouri Bot. Gard. 80: 974–986. |