| australia | | populus alba | species | 1 | 0 |
| austria | | populus alba | species | 2 | 0 |
| austria | | populus nigra | species | 2 | 0 |
| austria | | populus tremula | species | 13 | 0 |
| canada | | populus balsamifera | species | 1 | 0 |
| canada | | populus sp. | species | 7 | 0 |
| canada | | populus trichocarpa | species | 1 | 0 |
| canada | alberta | populus angustifolia | species | 2 | 0 |
| canada | alberta | populus balsamifera | species | 200 | 0 |
| canada | alberta | populus deltoides | species | 0 | 1 |
| canada | alberta | populus tremuloides | species | 1 | 0 |
| canada | british columbia | populus angustifolia | species | 1 | 0 |
| canada | british columbia | populus balsamifera | species | 1 | 0 |
| canada | british columbia | populus tremula | species | 0 | 1 |
| canada | british columbia | populus tremuloides | species | 1 | 0 |
| canada | british columbia | populus trichocarpa | species | 1 | 0 |
| canada | manitoba | populus balsamifera | species | 105 | 0 |
| canada | new brunswick | populus balsamifera | species | 113 | 0 |
| canada | new brunswick | populus tremuloides | species | 4 | 0 |
| canada | newfoundland and labrador | populus balsamifera | species | 159 | 0 |
| canada | northwest territories | populus balsamifera | species | 2 | 0 |
| canada | northwest territories | populus tremuloides | species | 1 | 0 |
| canada | ontario | populus alba | species | 5 | 0 |
| canada | ontario | populus balsamifera | species | 5 | 0 |
| canada | ontario | populus deltoides | species | 9 | 0 |
| canada | ontario | populus grandidentata | species | 5 | 0 |
| canada | ontario | populus nigra | species | 2 | 0 |
| canada | ontario | populus sp. bioug24049-d06 | species | 2 | 0 |
| canada | ontario | populus tremuloides | species | 6 | 0 |
| canada | quebec | populus balsamifera | species | 103 | 1 |
| canada | quebec | populus deltoides | species | 1 | 1 |
| canada | quebec | populus grandidentata | species | 1 | 0 |
| canada | quebec | populus nigra | species | 1 | 0 |
| canada | quebec | populus tremuloides | species | 2 | 1 |
| canada | saskatchewan | populus angustifolia | species | 2 | 0 |
| canada | saskatchewan | populus deltoides | species | 1 | 0 |
| canada | yukon | populus balsamifera | species | 2 | 0 |
| canada | yukon | populus tremuloides | species | 2 | 0 |
| china | | populus adenopoda | species | 12 | 0 |
| china | | populus afghanica | species | 24 | 0 |
| china | | populus alba | species | 40 | 0 |
| china | | populus alba var. pyramidalis | varietas | 21 | 0 |
| china | | populus alba x populus glandulosa | species | 3 | 0 |
| china | | populus angustifolia | species | 35 | 0 |
| china | | populus balsamifera | species | 23 | 0 |
| china | | populus cathayana | species | 13 | 0 |
| china | | populus ciliata | species | 27 | 0 |
| china | | populus davidiana | species | 892 | 0 |
| china | | populus davidiana x populus alba var. pyramidalis | species | 1 | 0 |
| china | | populus deltoides | species | 68 | 0 |
| china | | populus deltoides x populus x canadensis | species | 2 | 0 |
| china | | populus euphratica | species | 78 | 0 |
| china | | populus fremontii | species | 35 | 0 |
| china | | populus grandidentata | species | 1 | 0 |
| china | | populus heterophylla | species | 35 | 0 |
| china | | populus hopeiensis | species | 1 | 0 |
| china | | populus ilicifolia | species | 36 | 0 |
| china | | populus koreana | species | 3 | 0 |
| china | | populus lasiocarpa | species | 27 | 0 |
| china | | populus laurifolia | species | 25 | 0 |
| china | | populus maximowiczii | species | 10 | 0 |
| china | | populus mexicana | species | 92 | 0 |
| china | | populus nigra | species | 25 | 0 |
| china | | populus nigra var. italica | varietas | 9 | 0 |
| china | | populus nigra x populus x canadensis | species | 1 | 0 |
| china | | populus pamirica | species | 24 | 0 |
| china | | populus pruinosa | species | 96 | 0 |
| china | | populus przewalskii | species | 23 | 0 |
| china | | populus qamdoensis | species | 37 | 0 |
| china | | populus qiongdaoensis | species | 2 | 0 |
| china | | populus rotundifolia | species | 3 | 0 |
| china | | populus rotundifolia var. duclouxiana | varietas | 16 | 0 |
| china | | populus simonii | species | 51 | 0 |
| china | | populus simonii x populus nigra | species | 13 | 0 |
| china | | populus sp. bop010024 | species | 1 | 0 |
| china | | populus suaveolens | species | 24 | 0 |
| china | | populus szechuanica | species | 46 | 0 |
| china | | populus szechuanica var. tibetica | varietas | 58 | 0 |
| china | | populus talassica | species | 24 | 0 |
| china | | populus tomentosa | species | 77 | 0 |
| china | | populus tremula | species | 7 | 0 |
| china | | populus tremula x populus alba | species | 1 | 0 |
| china | | populus tremuloides | species | 1 | 0 |
| china | | populus trichocarpa | species | 119 | 0 |
| china | | populus ussuriensis | species | 34 | 0 |
| china | | populus wilsonii | species | 46 | 0 |
| china | | populus x beijingensis | species | 10 | 0 |
| china | | populus x canadensis | species | 19 | 0 |
| china | | populus x jrtyschensis | species | 2 | 0 |
| china | | populus yatungensis | species | 1 | 0 |
| china | | populus yunnanensis | species | 28 | 0 |
| china | beijing | populus alba | species | 3 | 0 |
| china | beijing | populus alba var. pyramidalis | varietas | 3 | 0 |
| china | beijing | populus alba x populus glandulosa | species | 1 | 0 |
| china | beijing | populus candicans | species | 3 | 0 |
| china | beijing | populus cathayana | species | 3 | 0 |
| china | beijing | populus deltoides | species | 2 | 0 |
| china | beijing | populus sp. bop010024 | species | 3 | 0 |
| china | beijing | populus sp. bop010188 | species | 3 | 0 |
| china | beijing | populus tomentosa | species | 285 | 0 |
| china | beijing | populus x beijingensis | species | 3 | 0 |
| china | beijing | populus x canadensis | species | 6 | 0 |
| china | fujian | populus sp. dx-2016 | species | 2 | 0 |
| china | gansu | populus euphratica | species | 5 | 0 |
| china | gansu | populus simonii | species | 10 | 0 |
| china | guangdong | populus deltoides | species | 150 | 0 |
| china | guangxi | populus euphratica | species | 1 | 0 |
| china | heilongjiang | populus alba | species | 0 | 1 |
| china | jiangsu | populus deltoides | species | 404 | 0 |
| china | jiangsu | populus nigra | species | 1 | 0 |
| china | jiangsu | populus simonii | species | 3 | 0 |
| china | liaoning | populus alba | species | 0 | 2 |
| china | shaanxi | populus szechuanica | species | 1 | 0 |
| china | sichuan | populus davidiana | species | 2 | 0 |
| china | sichuan | populus szechuanica | species | 13 | 0 |
| china | tibet | populus ciliata | species | 6 | 0 |
| china | tibet | populus davidiana | species | 6 | 0 |
| china | tibet | populus purdomii | species | 5 | 0 |
| china | tibet | populus qamdoensis | species | 6 | 0 |
| china | tibet | populus rotundifolia var. duclouxiana | varietas | 8 | 0 |
| china | tibet | populus wuana | species | 6 | 0 |
| china | tibet | populus yatungensis | species | 11 | 0 |
| china | xinjiang | populus afghanica | species | 6 | 0 |
| china | xinjiang | populus alba var. alba | varietas | 7 | 0 |
| china | xinjiang | populus euphratica | species | 9 | 3 |
| china | xinjiang | populus laurifolia | species | 13 | 0 |
| china | xinjiang | populus nigra | species | 6 | 0 |
| china | xinjiang | populus pamirica var. akqiensis | varietas | 6 | 0 |
| china | xinjiang | populus pilosa | species | 12 | 0 |
| china | xinjiang | populus pruinosa | species | 8 | 0 |
| china | xinjiang | populus talassica | species | 9 | 0 |
| china | xinjiang | populus tremula | species | 7 | 0 |
| china | xinjiang | populus tremula x populus alba | species | 9 | 0 |
| china | xinjiang | populus x jrtyschensis | species | 13 | 0 |
| china | yunnan | populus rotundifolia | species | 2 | 0 |
| czech republic | | populus tremula | species | 2 | 0 |
| czech republic | | populus x canadensis | species | 9 | 0 |
| egypt | alexandria governorate | populus euphratica | species | 2 | 0 |
| egypt | alexandria governorate | populus nigra | species | 2 | 0 |
| france | | populus alba | species | 6 | 0 |
| france | | populus nigra | species | 1 | 0 |
| france | | populus tremula | species | 11 | 0 |
| france | | populus tremula x populus alba | species | 7 | 0 |
| france | centre region | populus x canadensis | species | 9 | 0 |
| france | lorraine region | populus tremula x populus alba | species | 6 | 0 |
| germany | | populus alba | species | 3 | 0 |
| germany | | populus nigra | species | 1 | 0 |
| germany | | populus tremula | species | 8 | 0 |
| germany | | populus trichocarpa | species | 1 | 0 |
| germany | bavaria | populus tremula x populus alba | species | 1 | 0 |
| greece | | populus tremula | species | 7 | 0 |
| india | himachal pradesh | populus alba | species | 3 | 0 |
| india | himachal pradesh | populus balsamifera | species | 3 | 0 |
| india | himachal pradesh | populus ciliata | species | 3 | 0 |
| india | himachal pradesh | populus deltoides | species | 3 | 0 |
| india | himachal pradesh | populus euphratica | species | 5 | 0 |
| india | himachal pradesh | populus fremontii | species | 7 | 0 |
| india | himachal pradesh | populus lasiocarpa | species | 5 | 0 |
| india | himachal pradesh | populus maximowiczii | species | 4 | 0 |
| india | himachal pradesh | populus nigra | species | 3 | 0 |
| india | himachal pradesh | populus simonii | species | 4 | 0 |
| india | himachal pradesh | populus szechuanica | species | 6 | 0 |
| india | himachal pradesh | populus tremula | species | 3 | 0 |
| india | himachal pradesh | populus trichocarpa | species | 1 | 0 |
| india | himachal pradesh | populus yunnanensis | species | 2 | 0 |
| italy | | populus nigra | species | 10 | 0 |
| italy | | populus tremula | species | 6 | 0 |
| italy | piemonte region | populus deltoides | species | 2 | 0 |
| italy | sardinia autonomous region | populus alba | species | 0 | 1 |
| italy | umbria region | populus alba | species | 3 | 0 |
| italy | umbria region | populus nigra | species | 3 | 0 |
| japan | hokkaido prefecture | populus davidiana | species | 3 | 0 |
| japan | hokkaido prefecture | populus suaveolens | species | 1 | 0 |
| japan | iwate prefecture | populus suaveolens | species | 2 | 0 |
| japan | nagano prefecture | populus tremula | species | 2 | 0 |
| japan | toyama prefecture | populus suaveolens | species | 1 | 0 |
| kenya | | populus ilicifolia | species | 3 | 0 |
| luxembourg | | populus nigra | species | 2 | 0 |
| morocco | | populus alba | species | 2 | 0 |
| morocco | | populus euphratica | species | 1 | 0 |
| morocco | | populus nigra | species | 1 | 0 |
| netherlands | | populus nigra | species | 12 | 0 |
| netherlands | | populus x canadensis | species | 5 | 0 |
| poland | | populus tremula | species | 8 | 0 |
| poland | mazovia province | populus tremula | species | 1 | 0 |
| portugal | | populus alba | species | 2 | 0 |
| portugal | | populus nigra | species | 2 | 0 |
| puerto rico | | populus tremuloides | species | 0 | 1 |
| russia | | populus alba | species | 2 | 0 |
| russia | | populus alba var. pyramidalis | varietas | 2 | 0 |
| russia | | populus nigra var. italica | varietas | 4 | 0 |
| russia | | populus suaveolens | species | 1 | 0 |
| russia | | populus x sibirica | species | 4 | 0 |
| russia | amur oblast | populus tremula | species | 1 | 0 |
| russia | kamchatka krai | populus suaveolens | species | 9 | 0 |
| slovakia | | populus tremula | species | 2 | 0 |
| south africa | gauteng province | populus deltoides | species | 2 | 0 |
| south africa | gauteng province | populus tremula x populus alba | species | 2 | 0 |
| south korea | | populus alba | species | 3 | 0 |
| south korea | | populus alba x populus glandulosa | species | 2 | 0 |
| south korea | | populus davidiana | species | 14 | 0 |
| south korea | | populus glandulosa | species | 3 | 0 |
| south korea | | populus maximowiczii | species | 1 | 0 |
| south korea | | populus nigra | species | 3 | 0 |
| south korea | | populus x canadensis | species | 1 | 0 |
| south korea | gyeonggi province | populus alba x populus glandulosa | species | 4 | 0 |
| south korea | south jeolla province | populus alba x populus glandulosa | species | 1 | 0 |
| spain | | populus alba | species | 11 | 0 |
| spain | | populus nigra | species | 4 | 0 |
| spain | | populus tremula | species | 2 | 0 |
| spain | | populus tremula x populus alba | species | 4 | 0 |
| sweden | | populus alba | species | 2 | 0 |
| sweden | | populus tremula | species | 6 | 0 |
| sweden | | populus tremula x populus tremuloides | species | 18 | 0 |
| switzerland | geneva region | populus nigra | species | 2 | 0 |
| united kingdom | | populus alba | species | 8 | 0 |
| united kingdom | | populus nigra | species | 4 | 0 |
| united kingdom | | populus tremula | species | 10 | 0 |
| united kingdom | | populus trichocarpa | species | 1 | 0 |
| united kingdom | | populus x canadensis | species | 1 | 0 |
| united states | | populus angustifolia | species | 2 | 0 |
| united states | | populus balsamifera | species | 1 | 0 |
| united states | | populus deltoides | species | 2 | 0 |
| united states | | populus grandidentata | species | 2 | 0 |
| united states | | populus heterophylla | species | 2 | 0 |
| united states | | populus mexicana | species | 2 | 0 |
| united states | | populus tremuloides | species | 2 | 0 |
| united states | | populus trichocarpa | species | 1 | 0 |
| united states | alaska | populus balsamifera | species | 929 | 0 |
| united states | alaska | populus tremuloides | species | 0 | 1 |
| united states | arizona | populus fremontii | species | 1 | 0 |
| united states | colorado | populus deltoides | species | 24 | 0 |
| united states | idaho | populus tremuloides | species | 0 | 1 |
| united states | michigan | populus grandidentata | species | 1 | 0 |
| united states | michigan | populus heterophylla | species | 4 | 0 |
| united states | minnesota | populus tremuloides | species | 0 | 1 |
| united states | montana | populus angustifolia | species | 1 | 0 |
| united states | new mexico | populus angustifolia | species | 1 | 0 |
| united states | new york | populus deltoides | species | 1 | 0 |
| united states | oregon | populus trichocarpa | species | 152 | 0 |
| united states | south carolina | populus tremula | species | 0 | 1 |
| united states | south dakota | populus tremuloides | species | 0 | 1 |
| united states | wisconsin | populus balsamifera | species | 7 | 0 |
| united states | wisconsin | populus grandidentata | species | 7 | 0 |
| united states | wisconsin | populus tremula | species | 1 | 0 |
| united states | wisconsin | populus tremuloides | species | 4 | 2 |
| united states | wyoming | populus tremuloides | species | 0 | 1 |