| Name | Werneria orbignyana var. longifolia Rockhhausen |
| Authorship | Rockhhausen |
| Rank | Variety |
| Placed in | Werneria orbignyana Weddell |
| Citation | 1939 Bot. Jahrb. Syst. 70(3): 331 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Werneria orbignyana var. longifolia Rockhhausen |
| Identification made in | [no date] (1), 2019 (2) |