| bolivia | | bouteloua megapotamica | species | 3 | 0 |
| canada | alberta | bouteloua gracilis | species | 3 | 0 |
| canada | manitoba | bouteloua curtipendula | species | 2 | 0 |
| canada | manitoba | bouteloua gracilis | species | 5 | 0 |
| chile | | bouteloua simplex | species | 1 | 0 |
| costa rica | | bouteloua americana | species | 6 | 0 |
| costa rica | | bouteloua repens | species | 1 | 0 |
| costa rica | | bouteloua swallenii | species | 3 | 0 |
| cuba | | bouteloua americana | species | 1 | 0 |
| dominican republic | | bouteloua juncea | species | 3 | 0 |
| ecuador | | bouteloua americana | species | 2 | 0 |
| ecuador | | bouteloua disticha | species | 1 | 0 |
| honduras | | bouteloua repens | species | 1 | 0 |
| honduras | | bouteloua scabra | species | 1 | 0 |
| mexico | | bouteloua alamosana | species | 3 | 0 |
| mexico | | bouteloua aristidoides | species | 2 | 0 |
| mexico | | bouteloua barbata | species | 10 | 0 |
| mexico | | bouteloua barbata var. rothrockii | varietas | 6 | 0 |
| mexico | | bouteloua barbata var. sonorae | varietas | 1 | 0 |
| mexico | | bouteloua chasei | species | 11 | 0 |
| mexico | | bouteloua chondrosioides | species | 2 | 0 |
| mexico | | bouteloua curtipendula | species | 22 | 0 |
| mexico | | bouteloua curtipendula var. caespitosa | varietas | 8 | 0 |
| mexico | | bouteloua curtipendula var. curtipendula | varietas | 4 | 0 |
| mexico | | bouteloua curtipendula var. tenuis | varietas | 5 | 0 |
| mexico | | bouteloua dactyloides | species | 1 | 0 |
| mexico | | bouteloua dimorpha | species | 6 | 0 |
| mexico | | bouteloua distans | species | 3 | 0 |
| mexico | | bouteloua disticha | species | 5 | 0 |
| mexico | | bouteloua diversispicula | species | 3 | 0 |
| mexico | | bouteloua elata | species | 6 | 0 |
| mexico | | bouteloua erecta | species | 6 | 0 |
| mexico | | bouteloua eriopoda | species | 3 | 0 |
| mexico | | bouteloua gracilis | species | 34 | 0 |
| mexico | | bouteloua griffithsii | species | 3 | 0 |
| mexico | | bouteloua herrera-arrietae | species | 3 | 0 |
| mexico | | bouteloua hirsuta | species | 6 | 0 |
| mexico | | bouteloua hirsuta var. glandulosa | varietas | 6 | 0 |
| mexico | | bouteloua hirsuta var. hirsuta | varietas | 3 | 0 |
| mexico | | bouteloua johnstonii | species | 3 | 0 |
| mexico | | bouteloua karwinskii | species | 15 | 0 |
| mexico | | bouteloua media | species | 5 | 0 |
| mexico | | bouteloua mexicana | species | 3 | 0 |
| mexico | | bouteloua multifida | species | 11 | 0 |
| mexico | | bouteloua nervata | species | 6 | 0 |
| mexico | | bouteloua parryi | species | 1 | 0 |
| mexico | | bouteloua parryi var. gentryi | varietas | 3 | 0 |
| mexico | | bouteloua pedicellata | species | 8 | 0 |
| mexico | | bouteloua polymorpha | species | 8 | 0 |
| mexico | | bouteloua purpurea | species | 12 | 0 |
| mexico | | bouteloua radicosa | species | 11 | 0 |
| mexico | | bouteloua reflexa | species | 4 | 0 |
| mexico | | bouteloua repens | species | 24 | 0 |
| mexico | | bouteloua rigidiseta | species | 6 | 0 |
| mexico | | bouteloua scorpioides | species | 12 | 0 |
| mexico | | bouteloua simplex | species | 10 | 0 |
| mexico | | bouteloua stolonifera | species | 15 | 0 |
| mexico | | bouteloua tamaulipensis | species | 6 | 0 |
| mexico | | bouteloua triaena | species | 14 | 0 |
| mexico | | bouteloua trifida | species | 15 | 0 |
| mexico | | bouteloua uniflora | species | 4 | 0 |
| mexico | | bouteloua uniflora var. coahuilensis | varietas | 3 | 0 |
| mexico | | bouteloua varia | species | 3 | 0 |
| mexico | | bouteloua warnockii | species | 6 | 0 |
| mexico | | bouteloua williamsii | species | 19 | 0 |
| mexico | sonora | bouteloua alamosana | species | 1 | 0 |
| united states | | bouteloua aristidoides | species | 3 | 0 |
| united states | | bouteloua aristidoides var. arizonica | varietas | 3 | 0 |
| united states | | bouteloua barbata | species | 3 | 0 |
| united states | | bouteloua barbata var. barbata | varietas | 3 | 0 |
| united states | | bouteloua barbata var. rothrockii | varietas | 9 | 0 |
| united states | | bouteloua breviseta | species | 3 | 0 |
| united states | | bouteloua chondrosioides | species | 3 | 0 |
| united states | | bouteloua curtipendula | species | 11 | 0 |
| united states | | bouteloua curtipendula var. caespitosa | varietas | 2 | 0 |
| united states | | bouteloua curtipendula var. curtipendula | varietas | 2 | 0 |
| united states | | bouteloua dimorpha | species | 4 | 0 |
| united states | | bouteloua eludens | species | 5 | 0 |
| united states | | bouteloua eriopoda | species | 4 | 0 |
| united states | | bouteloua gracilis | species | 8 | 0 |
| united states | | bouteloua hirsuta | species | 3 | 0 |
| united states | | bouteloua hirsuta subsp. pectinata | subspecies | 8 | 0 |
| united states | | bouteloua hirsuta var. hirsuta | varietas | 3 | 0 |
| united states | | bouteloua parryi var. parryi | varietas | 2 | 0 |
| united states | | bouteloua radicosa | species | 3 | 0 |
| united states | | bouteloua repens | species | 7 | 0 |
| united states | | bouteloua rigidiseta | species | 3 | 0 |
| united states | | bouteloua simplex | species | 6 | 0 |
| united states | | bouteloua trifida | species | 6 | 0 |
| united states | | bouteloua warnockii | species | 3 | 0 |
| united states | minnesota | bouteloua hirsuta | species | 2 | 0 |
| united states | tennessee | bouteloua curtipendula | species | 1 | 0 |
| united states | texas | bouteloua curtipendula | species | 3 | 0 |
| united states | texas | bouteloua rigidiseta | species | 1 | 0 |
| venezuela | | bouteloua americana | species | 1 | 0 |
| venezuela | | bouteloua repens | species | 1 | 0 |