| canada | ontario | tridens flavus | species | 6 | 0 |
| united states | | tridens flavus | species | 16 | 0 |
| united states | | tridens flavus var. chapmanii | varietas | 15 | 0 |
| united states | | tridens flavus var. flavus | varietas | 10 | 0 |
| united states | tennessee | tridens flavus | species | 1 | 0 |
| united states | virginia | tridens flavus | species | 1 | 0 |