Arizona Poppy 
Big caltrop 
Creosote bush 
Desert date 
Fagonia arabica 
Fagonia bruguieri 
Fagonia glutinosa 
Fagonia mollis 
Fagonia scabra 
Guaiacum angustifolium 
Jamaican feverplant 
Puncture Vine 
Roughbark lignum-vitae 
Seetzenia orientalis 
Shrubby Twinleaf 
Syrian bean-caper 
Tetraena qatarensis 
Tetraena simplex 
Tribulus bimucronatus 
Tribulus macropterus 
Tribulus mollis 
Tribulus pentandrus 
Virgin's Mantle 
Zygophyllum album