Siskiyou Iris: Iris bracteata -
Slender-tubed Iris, Yellow-leaf Iris: Iris chrysophylla (Synonyms: Iris californica, Iris macrosiphon) -
Douglas Iris: Iris douglasiana (Synonyms: Iris douglasiana var. oregonenesis) -
Thompson's Iris: Iris x thompsonii (Synonyms: Iris douglasiana x innominata, Iris thompsonii) -
Bearded Iris, German Iris, Garden Iris: Iris germanica -
Del Norte County Iris, Golden Iris: Iris innominata -
Rocky Mountain Iris, Western Blue Flag, Western Iris, Western Blue Flag: Iris missouriensis -
Yellow Flag, Yellow Water Iris, Pale Yellow Iris: Iris pseudacorus -
Gorman's Iris, Oregon Flag, Oregon Iris, Tough-leaved Iris: Iris tenax var. gormanii -
Oregon Flag, Oregon Iris, Tough-leaf Iris, Tough-leaved Iris: Iris tenax var. tenax (Synonym: Iris tenax ssp. tenax) -
Longtube Iris: Iris tenuissima