| Asteraceae | |
Ageratella microphylla var. microphylla
| | | |
| Asteraceae | |
Ageratella microphylla var. palmeri
| A. Gray | Proc. Amer. Acad. Arts 22: 419 | 1887 |
| Asteraceae | |
Ageratella microphylla var. seemannii
| (Benth. & Hook. f.) A. Gray | Proc. Amer. Acad. Arts 22: 419 | 1887 |
| Asteraceae | |
Ageratella microphylla var. sonorana
| B.L. Turner | Phytologia 78(3): 206 | 1995 |