| Ulex europaeus L., 1753 |
| Vachellia Wight & Arn., 1834 |
| Vachellia biaciculata (S. Watson) Seigler & Ebinger, 2006 |
| Vachellia bilimekii (J.F. Macbr.) Seigler & Ebinger, 2006 |
| Vachellia brandegeana (I.M. Johnst.) Seigler & Ebinger, 2006 |
| Vachellia bravoensis (Isely) Seigler & Ebinger, 2006 |
| Vachellia californica (Brandegee) Seigler & Ebinger, 2006 |
| Vachellia campechiana (Mill.) Seigler & Ebinger, 2006 |
| Vachellia campechiana f. houghii (Britton & Rose) Seigler & Ebinger, 2006 |
| Vachellia chiapensis (Saff.) Seigler & Ebinger, 2006 |
| Vachellia collinsii (Saff.) Seigler & Ebinger, 2006 |
| Vachellia constricta (Benth.) Seigler & Ebinger, 2006 |
| Vachellia cookii (Saff.) Seigler & Ebinger, 2006 |
| Vachellia cornigera (L.) Seigler & Ebinger, 2006 |
| Vachellia farnesiana (L.) Wight & Arn., 1834 |
| Vachellia gentlei (Standl.) Seigler & Ebinger, 2006 |
| Vachellia glandulifera (S. Watson) Seigler & Ebinger, 2006 |
| Vachellia globulifera (Saff.) Seigler & Ebinger, 2006 |
| Vachellia guanacastensis (H.D. Clarke, Seigler & Ebinger) Seigler & Ebinger, 2005 |
| Vachellia hindsii (Benth.) Seigler & Ebinger, 2006 |