| Ranunculaceae |
Thalictrum zaissanicum Kotuch. |
| Santalaceae |
Thesium rupestre Ledeb. |
| Lamiaceae |
Thymus elegans Serg. |
| Lamiaceae |
Thymus krylovii Byczennikova |
| Lamiaceae |
Thymus narymensis Serg. |
| Lamiaceae |
Thymus schischkinii Serg. |
| Scrophulariaceae |
Veronica laeta ssp. arenosa (Serg.) Kossaczev |
| Scrophulariaceae |
Veronica reverdattoi Krasnob. |
| Scrophulariaceae |
Veronica sessiliflora Bunge |
| Scrophulariaceae |
Veronica spicata subsp. kamelinii Kossatschev |
| Fabaceae |
Vicia lilacina Ledeb |
| Violaceae |
Viola atroviolacea W. Becker |
| Violaceae |
Viola fischeri W. Becker |
| Woodsiaceae |
Woodsia taigischensis (Stepanov) A.A. Kuznetsov |
| Zygophyllaceae |
Zygophyllum pinnatum subsp. chakassicum Peschkova |