WATSONIA
| SPECIES | SOURCE | |
| Watsonia aletroides | Ori Fragman-Sapir UCI Arboretum |
 |
| Watsonia ardenei | Ori Fragman-Sapir |  |
| Watsonia angusta | Maurice Boussard |  |
| Watsonia borbonica | Jean-Baptiste Boudias UCI Arboretum |
 |
| Watsonia coccinea | UCI Arboretum Mary Sue Ittner |
 |
| Watsonia forcadei | Daryl Geoghegan |  |
| Watsonia fulgens | Karl King |  |
| Watsonia humilis | UCI Arboretum Karl King |
 |
| Watsonia hysterantha | Dennis Tsang |  |
| Watsonia intermedia | Karl King |  |
| Watsonia laccata | UCI Arboretum |  |
| Watsonia marginata | Ori Fragman-Sapir UCI Arboretum |
 |
| Watsonia meriana | Ori Fragman-Sapir UCI Arboretum |
 |
| Watsonia pillansii | Ori Fragman-Sapir |  |
| Watsonia rogersii | UCI Arboretum |  |
| Watsonia roseo-alba | Michael Vassar |  |
| Watsonia stenosiphon | Maurice Boussard |  |
| Watsonia vanderspuyiae | Ori Fragman-Sapir |  |
| Watsonia zehyeri | Maarten Groos |  |
