| afghanistan | badakhshan province | piptatherum angustifolium | species | 2 | 0 |
| afghanistan | badakhshan province | piptatherum baluchistanicum | species | 2 | 0 |
| afghanistan | badakhshan province | piptatherum flaccidum | species | 2 | 0 |
| afghanistan | badakhshan province | piptatherum hilariae | species | 2 | 0 |
| afghanistan | badakhshan province | piptatherum laterale | species | 2 | 0 |
| afghanistan | badakhshan province | piptatherum munroi | species | 2 | 0 |
| afghanistan | badakhshan province | piptatherum platyanthum | species | 16 | 0 |
| afghanistan | badakhshan province | piptatherum purpurascens | species | 2 | 0 |
| afghanistan | badakhshan province | piptatherum rechingeri | species | 2 | 0 |
| afghanistan | badakhshan province | piptatherum vicarium | species | 2 | 0 |
| afghanistan | bamyan province | piptatherum barbellatum | species | 2 | 0 |
| australia | | oloptum miliaceum | species | 2 | 0 |
| australia | south australia | oloptum miliaceum | species | 3 | 0 |
| australia | tasmania | oloptum miliaceum | species | 5 | 0 |
| australia | victoria | oloptum miliaceum | species | 5 | 0 |
| canada | | piptatheropsis canadensis | species | 1 | 0 |
| canada | alberta | piptatheropsis exigua | species | 1 | 0 |
| canada | alberta | piptatheropsis micrantha | species | 1 | 0 |
| canada | british columbia | piptatheropsis exigua | species | 4 | 0 |
| canada | british columbia | piptatheropsis micrantha | species | 4 | 0 |
| canada | manitoba | piptatheropsis micrantha | species | 5 | 0 |
| canada | ontario | piptatheropsis canadensis | species | 5 | 0 |
| canada | quebec | patis racemosa | species | 4 | 0 |
| canada | quebec | piptatheropsis canadensis | species | 7 | 0 |
| china | | piptatherum kuoi | species | 3 | 0 |
| china | | piptatherum tibeticum | species | 3 | 0 |
| china | qinghai | piptatherum munroi | species | 8 | 0 |
| china | sichuan | piptatherum munroi | species | 1 | 0 |
| china | tibet | piptatherum gracile | species | 8 | 0 |
| china | tibet | piptatherum munroi | species | 2 | 0 |
| china | tibet | piptatherum tibeticum | species | 10 | 0 |
| greece | | piptatherum coerulescens | species | 1 | 0 |
| india | himachal pradesh | piptatherum aequiglume | species | 1 | 0 |
| jordan | | oloptum miliaceum | species | 1 | 0 |
| norway | | oloptum miliaceum | species | 3 | 0 |
| spain | | oloptum miliaceum | species | 4 | 0 |
| spain | catalonia | piptatherum paradoxum | species | 272 | 0 |
| tajikistan | | piptatherum ferganense | species | 1 | 0 |
| tajikistan | | piptatherum kokanicum | species | 2 | 0 |
| tajikistan | | piptatherum laterale | species | 2 | 0 |
| tajikistan | gorno-badakhshan autonomous region | piptatherum hilariae | species | 1 | 0 |
| ukraine | autonomous republic of crimea | piptatherum holciforme | species | 1 | 0 |
| united states | california | oloptum miliaceum | species | 4 | 0 |
| united states | idaho | piptatheropsis shoshoneana | species | 1 | 0 |
| united states | utah | piptatheropsis micrantha | species | 7 | 0 |