Asteraceae | |
Symphyotrichum novi-belgii var. crenifolium
| (Fernald) Labrecque & Brouillet | Phytologia 82(3): 138 | 1997 |
Asteraceae | |
Symphyotrichum novi-belgii var. elodes
| (Torr. & A. Gray) G.L. Nesom | Phytologia 77(3): 287 | 1994 [1995] |
Asteraceae | |
Symphyotrichum novi-belgii var. novi-belgii
| | | |
Asteraceae | |
Symphyotrichum novi-belgii var. villicaule
| (A. Gray) Labrecque & Brouillet | Phytologia 82(3): 138 | 1997 |