| Author | L. | |
| Distribution | Mostly in the Mountains, scattered elsewhere.
Native of Eurasia and North Africa; in N.A. scattered across the U.S. and southern Canada. | |
| Abundance | Uncommon in the Mountains; rare elsewhere. | |
| Habitat | Marshes, wet roadside ditches, margins of impoundments, montane seepage bogs, stream margins. | |
| Phenology | Flowering and fruiting May-July. | |
| Identification | Yellow Iris is quite spectacular and unmistakable when in flower, with its bright yellow corollas, basally darker and with brown lines. | |
| Taxonomic Comments | | |
| Other Common Name(s) | | |
| State Rank | SE | |
| Global Rank | GNR | |
| State Status | | |
| US Status | | |
| USACE-agcp | OBL link |
| USACE-emp | OBL link |