| Chylismia brevipes (A. Gray) Small | | a | | Chylismia brevipes (A. Gray) Small | | 458558 | |
| Chylismia brevipes (A. Gray) Small subsp. brevipes | | a | i | Chylismia brevipes (A. Gray) Small subsp. brevipes | | 458559 | |
| Chylismia brevipes (A. Gray) Small subsp. arizonica (P. H. Raven) W. L. Wagner & Hoch | | a | i | Chylismia brevipes (A. Gray) Small subsp. arizonica (P. H. Raven) W. L. Wagner & Hoch | | 458560 | |
| Chylismia brevipes (A. Gray) Small subsp. pallidula (Munz) W. L. Wagner & Hoch | | a | i | Chylismia brevipes (A. Gray) Small subsp. pallidula (Munz) W. L. Wagner & Hoch | | 458561 | |
| Chylismia claviformis (Torr. & Frém.) A. Heller subsp. aurantiaca (Munz) W. L. Wagner & Hoch | | a | i | Chylismia claviformis (Torr. & Frém.) A. Heller subsp. aurantiaca (Munz) W. L. Wagner & Hoch | | 458569 | |
| Chylismia claviformis (Torr. & Frém.) A. Heller subsp. peeblesii (Munz) W. L. Wagner & Hoch | | a | i | Chylismia claviformis (Torr. & Frém.) A. Heller subsp. peeblesii (Munz) W. L. Wagner & Hoch | | 458570 | |
| Chylismia claviformis (Torr. & Frém.) A. Heller subsp. peirsonii (Munz) W. L. Wagner & Hoch | | a | i | Chylismia claviformis (Torr. & Frém.) A. Heller subsp. peirsonii (Munz) W. L. Wagner & Hoch | | 458571 | |
| Chylismia claviformis (Torr. & Frém.) A. Heller subsp. rubescens (P. H. Raven) W. L. Wagner & Hoch | | a | i | Chylismia claviformis (Torr. & Frém.) A. Heller subsp. rubescens (P. H. Raven) W. L. Wagner & Hoch | | 458572 | |
| Chylismia claviformis (Torr. & Frém.) A. Heller subsp. wigginsii (P. H. Raven) W. L. Wagner & Hoch | | a | i | Chylismia claviformis (Torr. & Frém.) A. Heller subsp. wigginsii (P. H. Raven) W. L. Wagner & Hoch | | 458573 | |
| Chylismia claviformis (Torr. & Frém.) A. Heller subsp. yumae (P. H. Raven) W. L. Wagner & Hoch | | a | i | Chylismia claviformis (Torr. & Frém.) A. Heller subsp. yumae (P. H. Raven) W. L. Wagner & Hoch | | 458574 | |
| Chylismia claviformis (Torr. & Frém.) A. Heller subsp. funerea (P. H. Raven) W. L. Wagner & Hoch | | a | i | Chylismia claviformis (Torr. & Frém.) A. Heller subsp. funerea (P. H. Raven) W. L. Wagner & Hoch | | 458575 | |
| Chylismia claviformis (Torr. & Frém.) A. Heller subsp. integrior (P. H. Raven) W. L. Wagner & Hoch | | a | i | Chylismia claviformis (Torr. & Frém.) A. Heller subsp. integrior (P. H. Raven) W. L. Wagner & Hoch | | 458576 | |
| Chylismia claviformis (Torr. & Frém.) A. Heller subsp. lancifolia (A. Heller) W. L. Wagner & Hoch | | a | i | Chylismia claviformis (Torr. & Frém.) A. Heller subsp. lancifolia (A. Heller) W. L. Wagner & Hoch | | 458577 | |
| Chylismia claviformis (Torr. & Frém.) A. Heller subsp. cruciformis (Kellogg) W. L. Wagner & Hoch | | a | i | Chylismia claviformis (Torr. & Frém.) A. Heller subsp. cruciformis (Kellogg) W. L. Wagner & Hoch | | 458578 | |
| Chylismia claviformis (Torr. & Frém.) A. Heller | | a | | Chylismia claviformis (Torr. & Frém.) A. Heller | | 458579 | |
| Chylismia claviformis (Torr. & Frém.) A. Heller subsp. claviformis | | a | i | Chylismia claviformis (Torr. & Frém.) A. Heller subsp. claviformis | | 458580 | |
| Chylismia lancifolia A. Heller | Chylismia claviformis (Torr. & Frém.) A. Heller subsp. lancifolia (A. Heller) W. L. Wagner & Hoch | | | Chylismia lancifolia A. Heller | Chylismia claviformis (Torr. & Frém.) A. Heller subsp. lancifolia (A. Heller) W. L. Wagner & Hoch | 458593 | 458577 |
| Chylismia walkeri A. Nelson | | a | | Chylismia walkeri A. Nelson | | 458602 | |
| Chylismia walkeri A. Nelson subsp. walkeri | | a | i | Chylismia walkeri A. Nelson subsp. walkeri | | 458603 | |
| Chylismia walkeri A. Nelson subsp. tortilis (Jeps.) W. L. Wagner & Hoch | | a | i | Chylismia walkeri A. Nelson subsp. tortilis (Jeps.) W. L. Wagner & Hoch | | 458604 | |
| Chylismia multijuga (S. Watson) Small | | a | | Chylismia multijuga (S. Watson) Small | | 458607 | |
| Chylismia scapoidea (Torr. & A. Gray) Nutt. ex Raim. | | a | | Chylismia scapoidea (Torr. & A. Gray) Nutt. ex Raim. | | 462832 | |
| Chylismia cardiophylla (Torr.) Small | | a | | Chylismia cardiophylla (Torr.) Small | | 480533 | |
| Chylismia cardiophylla (Torr.) Small subsp. cardiophylla | | a | i | Chylismia cardiophylla (Torr.) Small subsp. cardiophylla | | 480536 | |
| Chylismia cardiophylla (Torr.) Small subsp. robusta (P. H. Raven) W. L. Wagner & Hoch | | a | i | Chylismia cardiophylla (Torr.) Small subsp. robusta (P. H. Raven) W. L. Wagner & Hoch | | 480537 | |