| Name | Cordylanthus kingii subsp. helleri (Ferris) T. I. Chuang & Heckard |
| Authorship | (Ferris) T. I. Chuang & Heckard |
| Rank | Subspecies |
| Placed in | Cordylanthus kingii S. Watson |
| Citation | 1986 Syst. Bot. Monogr. 10: 81 |
| Holdings | 9 Specimens held in the Harvard University Herbaria identified as Cordylanthus kingii subsp. helleri (Ferris) T. I. Chuang & Heckard |
| Identification made in | [no date] (9) |
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