| canada | british columbia | tripleurospermum maritimum subsp. inodorum | subspecies | 2 | 0 |
| canada | manitoba | tripleurospermum maritimum | species | 2 | 0 |
| canada | northwest territories | tripleurospermum maritimum | species | 2 | 0 |
| canada | northwest territories | tripleurospermum maritimum subsp. phaeocephalum | subspecies | 8 | 0 |
| canada | nunavut | tripleurospermum maritimum subsp. phaeocephalum | subspecies | 10 | 0 |
| canada | ontario | tripleurospermum maritimum subsp. inodorum | subspecies | 2 | 0 |
| canada | yukon | tripleurospermum maritimum | species | 2 | 0 |
| canada | yukon | tripleurospermum maritimum subsp. inodorum | subspecies | 2 | 0 |
| czech republic | south moravian region | tripleurospermum maritimum subsp. inodorum | subspecies | 2 | 0 |
| germany | thuringen | tripleurospermum maritimum subsp. inodorum | subspecies | 2 | 0 |
| switzerland | geneva region | tripleurospermum maritimum subsp. inodorum | subspecies | 2 | 0 |
| united kingdom | | tripleurospermum maritimum | species | 2 | 0 |
| united kingdom | | tripleurospermum maritimum subsp. inodorum | subspecies | 1 | 0 |