- Dietes grandiflora, Wild iris
- Diplarrena moraea, White Iris;White Flag Iris;Moraea diandra Vahl;Diplarrhena moraea var alpina orth var Hookf sensu Hooker, JD 1858
- Iris bracteata, Siskiyou iris
- Iris brevicaulis, Zigzag iris;Short-stemmed iris;Lamance iris
- Iris chrysophylla, Yellowleaf iris;Yellow-Leaved Iris
- Iris cristata, Dwarf crested iris
- Iris douglasiana, Douglas iris;Mountain Iris
- Iris ensata, Beaked Iris;Iris kaempferi Siebold ex Lem;Japanese iris;Yu chan hua
- Iris fernaldii, Fernalds iris
- Iris flavescens, Lemonyellow iris
- Iris foetidissima, Stinking Iris;Stinking iris
- Iris fulva, Copper iris
- Iris germanica, Bearded Iris;German iris
- Iris giganticaerulea, Giant blue iris
- Iris hartwegii, Rainbow iris;Sierra Iris
- Iris hexagona, Dixie iris;Carolina Iris
- Iris hookeri, Canada Iris
- Iris innominata, Del Norte County iris;Del-Norte-County Iris
- Iris lacustris, Dwarf lake iris
- Iris laevigata, Japanese Iris;Rabbitear iris
- Iris latifolia, English Iris;Iris xiphioides Ehrh;Xiphion latifolia Mill
- Iris macrosiphon, Bowltube iris;Ground Iris;Bowl-Tubed Iris
- Iris missouriensis, Rocky Mountain iris;Iris longipetala
- Iris munzii, Munzs iris
- Iris orientalis, Iris ochroleuca L;Turkish Iris;Iris spuria subsp ochroleuca (L) Dykes;Yellowband iris;Yellow-Banded Iris
- Iris pallida, Sweet iris
| - Iris prismatica, Slender blue iris
- Iris pseudacorus, Yellow Flag;Pale Yellow Iris;Paleyellow iris;Pale yellow iris;Yellow water iris;Yellow flag
- Iris pumila, Pygmy Iris;Dwarf iris
- Iris purdyi, Purdys iris
- Iris savannarum, Prairie Iris
- Iris setosa, Beachhead iris;Beach-Head Iris
- Iris sibirica, Siberian Iris;Siberian iris
- Iris spuria, Blue Iris;Seashore Iris
- Iris susiana, Mourning Iris;Iris sofarana
- Iris tectorum, Wall iris
- Iris tenax, Toughleaf iris;Tough-Leaved Iris;Oregon Flag
- Iris tenuis, Clackamas iris
- Iris tenuissima, Longtube iris;Long-Tubed Iris
- Iris thompsonii, Thompsons iris
- Iris tridentata, Savannah iris
- Iris tuberosa, Snakes-head Iris;Hermodactylus tuberosus
- Iris unguicularis, Iris stylosa Desf;Algerian Iris
- Iris variegata, Hungarian iris
- Iris verna, Dwarf violet iris;Dwarf iris
- Iris versicolor, Harlequin blueflag;Purple Iris;Northern Blue Flag;Harlequin Blue Flag
- Iris virginica, Virginia iris;Southern blue flag;Virginia blue flag;Wild blue flag
- Iris xiphium, Spanish Iris;Iris variabilis Jacq;Spanish iris
- Moraea setifolia, Thread Iris;Gynandriris setifolia Lf RCFoster;Iris setifolia Lf;Moraea xerospatha Baker;Moraea xerospatha var monophylla JMBlack
- Orthrosanthus laxus, Morning Iris;Libertia laxa Endl
- Patersonia fragilis, Swamp Iris;Short Purple Flag;Genosiris fragilis Labill;Patersonia glauca RBr
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