| argentina | | schizachyrium condensatum | species | 2 | 0 |
| argentina | | schizachyrium microstachyum | species | 2 | 0 |
| argentina | | schizachyrium sanguineum | species | 29 | 0 |
| argentina | | schizachyrium tenerum | species | 12 | 0 |
| brazil | rio de janeiro | schizachyrium condensatum | species | 6 | 0 |
| canada | ontario | schizachyrium scoparium | species | 3 | 0 |
| central african republic | | schizachyrium exile | species | 1 | 0 |
| china | sichuan | schizachyrium sp. us:3530409 | species | 1 | 0 |
| madagascar | | schizachyrium cf. sanguineum jh-2017 | species | 3 | 0 |
| mexico | | schizachyrium cirratum | species | 1 | 0 |
| mexico | | schizachyrium malacostachyum | species | 2 | 0 |
| panama | | schizachyrium brevifolium | species | 2 | 0 |
| south korea | | schizachyrium brevifolium | species | 4 | 0 |
| united states | | schizachyrium sanguineum | species | 2 | 0 |
| united states | | schizachyrium scoparium | species | 2 | 0 |
| united states | | schizachyrium scoparium var. neomexicanum | varietas | 1 | 0 |
| united states | florida | schizachyrium sanguineum | species | 1 | 0 |
| united states | florida | schizachyrium sanguineum var. hirtiflorum | varietas | 1 | 0 |
| united states | texas | schizachyrium scoparium | species | 1 | 0 |