| Species | Morpholgy | Preview | Code |
|---|---|---|---|
| Tribulus angustifolius ZYGOPHYLLACEAE | inaperturate | 137-2-1 | |
| Tribulus astrocarpus ZYGOPHYLLACEAE | 137-2-7 | ||
| Tribulus bicolor ZYGOPHYLLACEAE | inaperturate | 137-2-6 | |
| Tribulus cistoides ZYGOPHYLLACEAE | 137-2-2 | ||
| Tribulus cistoides ZYGOPHYLLACEAE | 137-2-2a | ||
| Tribulus cistoides ZYGOPHYLLACEAE | 137-2-2b | ||
| Tribulus cistoides ZYGOPHYLLACEAE | inaperturate | 137-2-2c | |
| Tribulus hystrix ZYGOPHYLLACEAE | 137-2-8 | ||
| Tribulus macrocarpus ZYGOPHYLLACEAE | 137-2-4 | ||
| Tribulus occidentalis ZYGOPHYLLACEAE | inaperturate | 137-2-9 | |
| Tribulus platypterus ZYGOPHYLLACEAE | 137-2-3 | ||
| Tribulus terrestris ZYGOPHYLLACEAE | inaperturate | 137-2-5a | |
| Tribulus terrestris ZYGOPHYLLACEAE | 137-2-5b | ||
| Tribulus terrestris ZYGOPHYLLACEAE | 137-2-5c | ||
| Tribulus terrestris ZYGOPHYLLACEAE | 137-2-5d |