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32 caltrops and ratanies species
Tribulus terrestris
Larrea tridentata
Zygophyllum fabago
Porlieria angustifolia
Guaiacum coulteri
Kallstroemia parviflora
Kallstroemia hirsutissima
Krameria ramosissima
Guaiacum angustifolium
Balanites aegyptiaca
Larrea cuneifolia
Larrea nitida
Fagonia chilensis
Fagonia laevis
Fagonia pachyacantha
Krameria bicolor
Kallstroemia californica
Kallstroemia grandiflora
Gonopterodendron arboreum
Krameria lanceolata
Larrea divaricata
Kallstroemia maxima
Guaiacum sanctum
Krameria erecta
Tribulus cistoides
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