| Name | Iris missouriensis Nuttall |
| Authorship | Nuttall |
| Rank | Species |
| Placed in | Iris Linnaeus |
| Contains | Iris missouriensis f. angustispatha R. C. Foster Iris missouriensis var. arizonica (Dykes) R. C. Foster Iris missouriensis var. pelogonus (Goodding) R. C. Foster |
| Citation | 1834 J. Acad. Nat. Sci. Philadelphia 7(1): 58–59 |
| Holdings | 144 Specimens held in the Harvard University Herbaria identified as Iris missouriensis Nuttall |
| Identification made in | [no date] (143), 1965 (1) |