| Name | Eriastrum densifolium subsp. elongatum (Bentham) H. Mason | 
| Authorship | (Bentham) H. Mason | 
| Rank | Subspecies | 
| NomenclaturalStatus | NomLeg | 
| Placed in | Eriastrum densifolium (Bentham) H. Mason | 
| Holdings | 23 Specimens held in the Harvard University Herbaria identified as Eriastrum densifolium subsp. elongatum (Bentham) H. Mason | 
| Identification made in | [no date] (21), 2010 (2) |