| Tragacantha humistrata (A. Gray) Kuntze, 1891 |
| Tragacantha hypoleuca (S. Schauer) Kuntze, 1891 |
| Tragacantha leptocarpa (Torr. & A. Gray) Kuntze, 1891 |
| Tragacantha leucopsis (Torr. & A. Gray) Kuntze, 1891 |
| Tragacantha lotiflora (Hook.) Kuntze, 1891 |
| Tragacantha nothoxys (A. Gray) Kuntze, 1891 |
| Tragacantha orthantha (A. Gray) Kuntze, 1891 |
| Tragacantha oxyrhyncha (Hemsl.) Kuntze, 1891 |
| Tragacantha palmeri (A. Gray) Kuntze, 1891 |
| Tragacantha parva (Hemsl.) Kuntze, 1891 |
| Tragacantha racemosa (Pursh) Kuntze, 1891 |
| Tragacantha reptans (Humb. & Bonpl.) Kuntze, 1891 |
| Tragacantha sonorae (A. Gray) Kuntze, 1891 |
| Tragacantha strigulosa (Kunth) Kuntze, 1891 |
| Tragacantha tephrodes (A. Gray) Kuntze, 1891 |
| Tragacantha vaccarum (A. Gray) Kuntze, 1891 |
| Tragacantha vestita (Benth.) Kuntze, 1891 |
| Trichopodium C. Presl, 1845 |
| Trichopodium diffusum (Moric.) C. Presl, 1844 |
| Trichopodium glandulosum C. Presl, 1844 |