| Tetraneuris herbacea Greene | | a | | Tetraneuris herbaceaGreene | |
| Tetraneuris linearifolia (Hook.) Greene | | a | | Tetraneuris linearifolia(Hook.) Greene | |
| Tetraneuris ivesiana Greene | | a | | Tetraneuris ivesianaGreene | |
| Tetraneuris acaulis (Pursh) Greene | | a | | Tetraneuris acaulis(Pursh) Greene | |
| Tetraneuris acaulis (Pursh) Greene var. caespitosa A. Nelson | | a | i | Tetraneuris acaulis(Pursh) Greene var.caespitosa A. Nelson | |
| Tetraneuris acaulis (Pursh) Greene var. arizonica (Greene) K. L. Parker | | a | i | Tetraneuris acaulis(Pursh) Greene var.arizonica (Greene) K. L. Parker | |
| Tetraneuris arizonica Greene | Tetraneuris acaulis (Pursh) Greene var. arizonica (Greene) K. L. Parker | | | Tetraneuris arizonicaGreene | Tetraneuris acaulis(Pursh) Greene var.arizonica (Greene) K. L. Parker |
| Tetraneuris acaulis (Pursh) Greene var. epunctata (A. Nelson) Kartesz & Gandhi | | a | i | Tetraneuris acaulis(Pursh) Greene var.epunctata (A. Nelson) Kartesz & Gandhi | |
| Tetraneuris epunctata A. Nelson | Tetraneuris acaulis (Pursh) Greene var. epunctata (A. Nelson) Kartesz & Gandhi | | | Tetraneuris epunctataA. Nelson | Tetraneuris acaulis(Pursh) Greene var.epunctata (A. Nelson) Kartesz & Gandhi |
| Tetraneuris acaulis (Pursh) Greene var. acaulis | | a | i | Tetraneuris acaulis(Pursh) Greene var.acaulis | |
| Tetraneuris argentea (A. Gray) Greene | | a | | Tetraneuris argentea(A. Gray) Greene | |
| Tetraneuris scaposa (DC.) Greene | | a | | Tetraneuris scaposa(DC.) Greene | |
| Tetraneuris scaposa (DC.) Greene var. argyrocaulon (K. L. Parker) K. L. Parker | | a | i | Tetraneuris scaposa(DC.) Greene var.argyrocaulon (K. L. Parker) K. L. Parker | |
| Tetraneuris scaposa (DC.) Greene var. scaposa | | a | i | Tetraneuris scaposa(DC.) Greene var.scaposa | |
| Tetraneuris verdiensis R. A. Denham & B. L. Turner | | a | | Tetraneuris verdiensisR. A. Denham & B. L. Turner | |
| Tetraneuris torreyana (Nutt.) Greene | | a | | Tetraneuris torreyana(Nutt.) Greene | |