| armenia | ararat province | tanacetum canescens | species | 2 | 0 |
| armenia | ararat province | tanacetum pinnatum | species | 2 | 0 |
| armenia | gegharkunik province | tanacetum balsamita | species | 2 | 0 |
| armenia | gegharkunik province | tanacetum coccineum | species | 2 | 0 |
| armenia | kotayk province | tanacetum abrotanifolium | species | 2 | 0 |
| armenia | tavush province | tanacetum parthenium | species | 2 | 0 |
| armenia | yayots dzor province | tanacetum chiliophyllum | species | 2 | 0 |
| armenia | yayots dzor province | tanacetum punctatum | species | 2 | 0 |
| australia | | tanacetum coccineum | species | 1 | 0 |
| bulgaria | | tanacetum macrophyllum | species | 1 | 0 |
| bulgaria | | tanacetum millefolium | species | 1 | 0 |
| canada | | tanacetum balsamita | species | 11 | 0 |
| canada | alberta | tanacetum vulgare | species | 1 | 0 |
| canada | british columbia | tanacetum bipinnatum | species | 2 | 0 |
| canada | manitoba | tanacetum bipinnatum | species | 2 | 0 |
| canada | northwest territories | tanacetum coccineum | species | 4 | 0 |
| canada | northwest territories | tanacetum parthenium | species | 4 | 0 |
| canada | nunavut | tanacetum bipinnatum subsp. huronense | subspecies | 3 | 0 |
| canada | ontario | tanacetum bipinnatum | species | 2 | 0 |
| canada | ontario | tanacetum vulgare | species | 9 | 0 |
| canada | quebec | tanacetum vulgare | species | 1 | 0 |
| canada | yukon | tanacetum bipinnatum | species | 4 | 0 |
| canada | yukon | tanacetum vulgare | species | 4 | 0 |
| china | | tanacetum cinerariifolium | species | 1 | 0 |
| croatia | | tanacetum cinerariifolium | species | 19 | 0 |
| czech republic | | tanacetum vulgare | species | 1 | 0 |
| czech republic | south moravian region | tanacetum vulgare | species | 1 | 0 |
| finland | | tanacetum vulgare | species | 2 | 0 |
| germany | thuringen | tanacetum corymbosum | species | 3 | 0 |
| india | | tanacetum longifolium | species | 3 | 0 |
| iran | | tanacetum kotschyi | species | 1 | 0 |
| iran | | tanacetum parthenium | species | 1 | 0 |
| iran | | tanacetum sp. kh95 | species | 1 | 0 |
| italy | | tanacetum vulgare | species | 2 | 0 |
| italy | lombardy region | tanacetum corymbosum | species | 2 | 0 |
| japan | hiroshima prefecture | tanacetum cinerariifolium | species | 1 | 0 |
| latvia | | tanacetum vulgare | species | 1 | 0 |
| pakistan | | tanacetum cinerariifolium | species | 1 | 0 |
| poland | | tanacetum corymbosum | species | 3 | 0 |
| portugal | | tanacetum parthenium | species | 1 | 0 |
| spain | castile and leon | tanacetum vahlii | species | 1 | 0 |
| spain | murcia | tanacetum vahlii | species | 1 | 0 |
| switzerland | | tanacetum vulgare | species | 1 | 0 |
| turkey | nigde province | tanacetum argenteum | species | 191 | 0 |