| canada | ontario | spiranthes casei | species | 4 | 0 |
| canada | ontario | spiranthes casei var. casei | varietas | 2 | 0 |
| canada | quebec | spiranthes casei | species | 4 | 0 |
| united states | | spiranthes casei | species | 16 | 0 |
| united states | michigan | spiranthes casei var. casei | varietas | 8 | 0 |
| united states | new york | spiranthes casei var. casei | varietas | 4 | 0 |
| united states | wisconsin | spiranthes casei var. casei | varietas | 4 | 0 |