Iris Species Database - Description, information about horticulture and breeding, and habitat. (3 photos)
Iris' Garden - Gardener in the Netherlands presents a photo of this plant, with basic horticultural information. (1 photo)
Missouri Botanical Garden - Plantfinder page for one of the plants growing at the garden, with usually one or more photos, horticultural information, and noteworthy characteristics. (zone 7-10) (1 photo)
(25 photos)