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CCDB → Angiosperms → Orobanchaceae → Castilleja → Castilleja densiflora subsp. gracilis (Benth.) T. I. Chuang & Heckard
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Orthocarpus densiflorus var. gracilis (Benth.) D. D. Keck | Castilleja densiflora subsp. gracilis (Benth.) T. I. Chuang & Heckard | 12 | IPCN online | Chuang, T. I. & L. R. Heckard. 1982. Chromosome numbers of Orthocarpus and related monotypic genera (Scrophulariaceae: subtribe Castillejinae). Brittonia 34: 89–101. |