| Name | Symphyotrichum novi-belgii var. crenifolium (Fernald) Labrecque & Brouillet |
| Authorship | (Fernald) Labrecque & Brouillet |
| Rank | Variety |
| Placed in | Symphyotrichum novi-belgii (Linnaeus) G. L. Nesom |
| Citation | 1997 Phytologia 82: 138 |
| Holdings | 7 Specimens held in the Harvard University Herbaria identified as Symphyotrichum novi-belgii var. crenifolium (Fernald) Labrecque & Brouillet |
| Identification made in | 2019 (7) |