| Name | Symphyotrichum lateriflorum var. horizontale (Desfontaines) G. L. Nesom |
| Authorship | (Desfontaines) G. L. Nesom |
| Rank | Variety |
| Placed in | Symphyotrichum lateriflorum (Linnaeus) Á. Löve & D. Löve |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Symphyotrichum lateriflorum var. horizontale (Desfontaines) G. L. Nesom |
| Identification made in | 2017 (1) |