| antarctica | | deschampsia antarctica | species | 10 | 0 |
| argentina | | avenella flexuosa | species | 2 | 0 |
| argentina | | deschampsia antarctica | species | 5 | 0 |
| argentina | | deschampsia cespitosa | species | 3 | 0 |
| argentina | | deschampsia elongata | species | 1 | 0 |
| argentina | | deschampsia kingii | species | 3 | 0 |
| argentina | | deschampsia parvula | species | 2 | 0 |
| argentina | | deschampsia patula | species | 1 | 0 |
| argentina | | deschampsia venustula | species | 2 | 0 |
| argentina | | vahlodea atropurpurea | species | 2 | 0 |
| argentina | mendoza province | deschampsia cespitosa | species | 2 | 0 |
| argentina | rio negro province | deschampsia cespitosa | species | 1 | 0 |
| argentina | rio negro province | deschampsia elongata | species | 1 | 0 |
| argentina | santa cruz province | deschampsia patula | species | 1 | 0 |
| argentina | santa cruz province | deschampsia venustula | species | 2 | 0 |
| argentina | tierra del fuego province | avenella flexuosa | species | 2 | 0 |
| argentina | tierra del fuego province | deschampsia antarctica | species | 4 | 0 |
| argentina | tierra del fuego province | deschampsia kingii | species | 3 | 0 |
| argentina | tierra del fuego province | deschampsia parvula | species | 2 | 0 |
| argentina | tierra del fuego province | vahlodea atropurpurea | species | 10 | 0 |
| brazil | | deschampsia cespitosa | species | 6 | 0 |
| canada | | deschampsia brevifolia | species | 2 | 0 |
| canada | alberta | deschampsia cespitosa | species | 7 | 0 |
| canada | british columbia | aira caryophyllea | species | 9 | 0 |
| canada | british columbia | aira praecox | species | 9 | 0 |
| canada | british columbia | corynephorus canescens | species | 2 | 0 |
| canada | british columbia | deschampsia cespitosa | species | 12 | 0 |
| canada | british columbia | deschampsia danthonioides | species | 3 | 0 |
| canada | british columbia | deschampsia elongata | species | 12 | 0 |
| canada | british columbia | vahlodea atropurpurea | species | 23 | 0 |
| canada | northwest territories | deschampsia brevifolia | species | 27 | 0 |
| canada | northwest territories | deschampsia cespitosa | species | 13 | 0 |
| canada | northwest territories | deschampsia sukatschewii | species | 6 | 0 |
| canada | nunavut | deschampsia brevifolia | species | 10 | 0 |
| canada | nunavut | deschampsia cespitosa | species | 24 | 0 |
| canada | nunavut | deschampsia sukatschewii | species | 6 | 0 |
| canada | ontario | avenella flexuosa | species | 4 | 0 |
| canada | ontario | deschampsia cespitosa | species | 2 | 0 |
| canada | quebec | avenella flexuosa | species | 4 | 0 |
| canada | saskatchewan | deschampsia cespitosa | species | 9 | 0 |
| canada | yukon | deschampsia cespitosa | species | 5 | 0 |
| chile | | aira caryophyllea | species | 2 | 0 |
| chile | | deschampsia cespitosa | species | 1 | 0 |
| chile | o'higgins region | deschampsia danthonioides | species | 18 | 0 |
| chile | santiago metropolitan region | deschampsia berteroana | species | 2 | 0 |
| china | | deschampsia cespitosa | species | 7 | 0 |
| denmark | | corynephorus canescens | species | 2 | 0 |
| falkland islands | | deschampsia antarctica | species | 12 | 0 |
| finland | | avenella flexuosa | species | 1 | 0 |
| france | | avenella flexuosa | species | 1 | 0 |
| france | | deschampsia cespitosa | species | 1 | 0 |
| germany | | deschampsia cespitosa subsp. cespitosa | subspecies | 3 | 0 |
| greenland | | deschampsia brevifolia | species | 5 | 0 |
| greenland | | deschampsia cespitosa var. alpina | varietas | 4 | 0 |
| greenland | | deschampsia sukatschewii | species | 4 | 0 |
| indonesia | | deschampsia klossii | species | 2 | 0 |
| malaysia | | avenella flexuosa | species | 2 | 0 |
| new zealand | | deschampsia cespitosa | species | 1 | 0 |
| new zealand | | deschampsia chapmanii | species | 1 | 0 |
| new zealand | | deschampsia tenella | species | 1 | 0 |
| new zealand | otago | avenella flexuosa | species | 1 | 0 |
| new zealand | southland | deschampsia tenella | species | 22 | 0 |
| norway | | deschampsia cespitosa | species | 3 | 0 |
| norway | hedmark county | deschampsia cespitosa | species | 1595 | 0 |
| norway | oppland county | deschampsia cespitosa var. alpina | varietas | 2 | 0 |
| norway | rogaland county | deschampsia setacea | species | 20 | 0 |
| norway | svalbard | deschampsia cespitosa var. alpina | varietas | 1 | 0 |
| norway | vest-agder county | deschampsia setacea | species | 1 | 0 |
| poland | mazovia province | deschampsia cespitosa | species | 1 | 0 |
| portugal | | aira caryophyllea | species | 2 | 0 |
| portugal | | aira praecox | species | 2 | 0 |
| saint helena | tristan da cunha dependency | deschampsia christophersenii | species | 4 | 0 |
| saint helena | tristan da cunha dependency | deschampsia mejlandii | species | 2 | 0 |
| south georgia and the south sandwich islands | | deschampsia antarctica | species | 14 | 0 |
| south korea | | aira caryophyllea | species | 6 | 0 |
| spain | | aira cupaniana | species | 2 | 0 |
| spain | | airopsis tenella | species | 4 | 0 |
| spain | | avenella flexuosa | species | 5 | 0 |
| spain | | corynephorus canescens | species | 4 | 0 |
| spain | | deschampsia cespitosa | species | 3 | 0 |
| svalbard and jan mayen | svalbard | deschampsia cespitosa var. alpina | varietas | 5 | 0 |
| sweden | | avenella flexuosa | species | 46 | 0 |
| switzerland | geneva region | deschampsia cespitosa | species | 2 | 0 |
| tanzania | | aira caryophyllea | species | 3 | 0 |
| tanzania | | deschampsia cespitosa | species | 4 | 0 |
| united kingdom | | aira caryophyllea | species | 1 | 0 |
| united kingdom | | avenella flexuosa | species | 1 | 0 |
| united kingdom | | corynephorus canescens | species | 3 | 0 |
| united kingdom | | deschampsia setacea | species | 1 | 0 |
| united states | | deschampsia cespitosa | species | 3 | 0 |
| united states | alaska | deschampsia cespitosa | species | 2 | 0 |
| united states | california | deschampsia cespitosa | species | 6 | 0 |
| united states | california | deschampsia elongata | species | 18 | 0 |
| united states | hawaii | deschampsia nubigena | species | 2 | 0 |
| united states | idaho | deschampsia cespitosa | species | 3 | 0 |
| united states | idaho | deschampsia cespitosa subsp. cespitosa | subspecies | 1 | 0 |
| united states | new york | deschampsia cespitosa | species | 3 | 0 |
| united states | tennessee | avenella flexuosa | species | 2 | 0 |