| Name | Johnstonella angustifolia (Torrey) Hasenstab & M.G. Simpson |
| Authorship | (Torrey) Hasenstab & M.G. Simpson |
| Rank | Species |
| Placed in | Johnstonella |
| Citation | 2012 Syst. Bot. 37(3): 754 |
| Holdings | 168 Specimens held in the Harvard University Herbaria identified as Johnstonella angustifolia (Torrey) Hasenstab & M.G. Simpson |
| Identification made in | [no date] (168) |