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CCDB → Angiosperms → Orobanchaceae → Orthocarpus → Orthocarpus cuspidatus subsp. copelandii (Eastw.) T. I. Chuang & Heckard
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Orthocarpus copelandii Eastw. | Orthocarpus cuspidatus subsp. copelandii (Eastw.) T. I. Chuang & Heckard | 14 | IPCN online | Chuang, T. I. & L. R. Heckard. 1982. Chromosome numbers of Orthocarpus and related monotypic genera (Scrophulariaceae: subtribe Castillejinae). Brittonia 34: 89–101. | |||
| ! | Orthocarpus cuspidatus subsp. copelandii (Eastw.) T. I. Chuang & Heckard | Orthocarpus cuspidatus subsp. copelandii (Eastw.) T. I. Chuang & Heckard | 14 | IPCN online | Chuang, T. I. & L. R. Heckard. 1992. A taxonomic revision of Orthocarpus (Scrophulariaceae---tribe Pediculareae). Syst. Bot. 17(4): 560–582. |