| azerbaijan | | armillaria mellea | species | 1 | 0 |
| bhutan | | armillaria mellea subsp. nipponica | subspecies | 4 | 0 |
| china | | armillaria mellea | species | 43 | 0 |
| china | beijing | armillaria mellea | species | 1 | 1 |
| china | guangxi | armillaria mellea | species | 5 | 0 |
| china | guizhou | armillaria mellea | species | 14 | 0 |
| china | hubei | armillaria mellea | species | 8 | 0 |
| china | hunan | armillaria mellea | species | 5 | 0 |
| china | jiangsu | armillaria mellea subsp. nipponica | subspecies | 1 | 0 |
| china | sichuan | armillaria mellea | species | 3 | 0 |
| china | tibet | armillaria mellea | species | 13 | 0 |
| china | yunnan | armillaria mellea | species | 85 | 0 |
| china | zhejiang | armillaria mellea | species | 6 | 0 |
| czech republic | | armillaria mellea | species | 1 | 0 |
| denmark | | armillaria mellea | species | 3 | 0 |
| france | | armillaria mellea | species | 27 | 0 |
| france | ile-de-france region | armillaria mellea | species | 392 | 0 |
| germany | | armillaria mellea | species | 1 | 0 |
| hungary | | armillaria mellea | species | 17 | 0 |
| hungary | zala county | armillaria mellea | species | 18 | 0 |
| indonesia | | armillaria mellea | species | 1 | 0 |
| indonesia | jakarta | armillaria mellea | species | 1 | 0 |
| iran | | armillaria mellea | species | 3 | 0 |
| iran | ardabil province | armillaria mellea | species | 0 | 1 |
| iraq | | armillaria mellea | species | 1 | 0 |
| italy | | armillaria mellea | species | 21 | 0 |
| italy | emilia-romagna region | armillaria mellea | species | 9 | 0 |
| italy | lazio region | armillaria mellea | species | 5 | 0 |
| italy | sicily autonomous region | armillaria mellea | species | 5 | 0 |
| italy | south tyrol autonomous region | armillaria mellea | species | 35 | 1 |
| japan | | armillaria mellea | species | 44 | 0 |
| japan | kagoshima prefecture | armillaria mellea subsp. nipponica | subspecies | 1 | 0 |
| japan | tokyo prefecture | armillaria mellea | species | 1 | 0 |
| japan | yamagata prefecture | armillaria mellea | species | 1 | 0 |
| kenya | | armillaria mellea | species | 13 | 0 |
| kenya | central province | armillaria mellea | species | 6 | 0 |
| mexico | mexico | armillaria mellea | species | 8 | 0 |
| mexico | nuevo leon | armillaria mellea | species | 1 | 0 |
| poland | | armillaria mellea | species | 4 | 0 |
| poland | lubuskie province | armillaria mellea | species | 127 | 0 |
| portugal | | armillaria mellea | species | 1 | 0 |
| portugal | madeira autonomous region | armillaria mellea | species | 5 | 0 |
| sao tome and principe | | armillaria mellea | species | 10 | 0 |
| slovenia | | armillaria mellea | species | 1 | 0 |
| south africa | | armillaria mellea | species | 8 | 0 |
| south korea | | armillaria mellea | species | 13 | 0 |
| spain | | armillaria mellea | species | 5 | 0 |
| spain | basque country | armillaria mellea | species | 2 | 0 |
| spain | galicia | armillaria mellea | species | 0 | 1 |
| sweden | | armillaria mellea | species | 1 | 0 |
| switzerland | | armillaria mellea | species | 2 | 0 |
| tunisia | | armillaria mellea | species | 5 | 0 |
| ukraine | | armillaria mellea | species | 3 | 0 |
| ukraine | chernihiv oblast | armillaria mellea | species | 0 | 1 |
| united kingdom | | armillaria mellea | species | 15 | 0 |
| united kingdom | england | armillaria mellea | species | 76 | 0 |
| united kingdom | scotland | armillaria mellea | species | 6 | 0 |
| united kingdom | wales | armillaria mellea | species | 1 | 0 |
| united states | | armillaria mellea | species | 26 | 0 |
| united states | california | armillaria mellea | species | 161 | 1 |
| united states | georgia | armillaria mellea | species | 2 | 0 |
| united states | maryland | armillaria mellea | species | 15 | 0 |
| united states | massachusetts | armillaria mellea | species | 6 | 0 |
| united states | michigan | armillaria mellea | species | 1 | 0 |
| united states | minnesota | armillaria mellea | species | 2 | 0 |
| united states | missouri | armillaria mellea | species | 10 | 0 |
| united states | new hampshire | armillaria mellea | species | 11 | 0 |
| united states | north carolina | armillaria mellea | species | 9 | 0 |
| united states | pennsylvania | armillaria mellea | species | 5 | 0 |
| united states | south carolina | armillaria mellea | species | 5 | 0 |
| united states | tennessee | armillaria mellea | species | 33 | 0 |
| united states | virginia | armillaria mellea | species | 5 | 0 |
| united states | wisconsin | armillaria mellea | species | 3 | 0 |