| Name | Iris douglasiana var. oregonensis R. C. Foster |
| Authorship | R. C. Foster |
| Rank | Variety |
| Placed in | Iris douglasiana Herbert |
| Citation | 1937 Contr. Gray Herb. 119: 35, pl. 2, f. 2 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Iris douglasiana var. oregonensis R. C. Foster |
| Identification made in | [no date] (1) |