| Name | Elatostema rigidum var. laxum (Elmer) H. Schroeter |
| Authorship | (Elmer) H. Schroeter |
| Rank | Variety |
| Placed in | Elatostema rigidum Weddell |
| Citation | 1936 Feddes Repert. Spec. Nov. Regni Veg. Beih. 83(2): 111 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Elatostema rigidum var. laxum (Elmer) H. Schroeter |
| Identification made in | [no date] (2) |