| 1 | Osmundastrum | cinnamomeum var. cinnamomeum | Cinnamon Fern (cinnamomeum) | Ferns | Osmundaceae | Polypodiopsida |
| 2 | Osmundastrum | cinnamomeum var. glandulosum | Glandular Cinnamon Fern | Ferns | Osmundaceae | Polypodiopsida |
| 3 | Osmundastrum | cinnamomeum | Cinnamon Fern | Ferns | Osmundaceae | Polypodiopsida |