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CCDB → Angiosperms → Orobanchaceae → Castilleja → Castilleja ambigua subsp. humboldtiensis (D. D. Keck) T. I. Chuang & Heckard
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Orthocarpus castillejoides var. humboldtensis D. D. Keck | Castilleja ambigua subsp. humboldtiensis (D. D. Keck) T. I. Chuang & Heckard | 12 | IPCN65 | Anderson 1965 | ||
| ! | Orthocarpus castillejoides var. humboldtensis D. D. Keck | Castilleja ambigua subsp. humboldtiensis (D. D. Keck) 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. |