Lemmon Marigold (Tagetes lemmonii)
Mexican Tarragon (Tagetes lucida)
Jewels of Opar (Talinum paniculatum)
The genus Tephrosia, the Hoary Peas
Hairy Fournwort (Tetramerium nervosum)
Angelita Daisy (Tetraneuris acaulis)
The Genus Thamnosma, Desert Rue
The Genus Thymophylla, Dogweeds
The Genus Tiquilia, Crinklemats
The Genus Tradescantia, Spiderworts
Arizona Bluecurls (Trichostema arizonicum)
American Threefold (Trixis californica)
