| Iris alata Poir. | Iris planifolia (Mill.) Fiori & Paol. | | | Iris alata Poir. | Iris planifolia (Mill.) Fiori & Paol. | 20245 | 428899 |
| Iris bucharica Foster | | a | | Iris bucharica Foster | | 20265 | |
| Iris caucasica Hoffm. | | a | | Iris caucasica Hoffm. | | 20270 | |
| Iris drepanophylla Aitch. & Baker | | a | | Iris drepanophylla Aitch. & Baker | | 20294 | |
| Iris magnifica Vved. | | a | | Iris magnifica Vved. | | 20356 | |
| Iris narbutii O. Fedtsch. | | a | | Iris narbutii O. Fedtsch. | | 20366 | |
| Iris orchioides Carrière | | a | | Iris orchioides Carrière | | 20374 | |
| Iris palaestina (Baker) Boiss. | | a | | Iris palaestina (Baker) Boiss. | | 20377 | |
| Iris persica L. | | a | | Iris persica L. | | 20380 | |
| Iris persica L. var. stenophylla (Hausskn. & Siehe ex Baker) Dykes | Iris stenophylla Hausskn. & Siehe ex Baker | | i | Iris persica L. var.stenophylla (Hausskn. & Siehe ex Baker) Dykes | Iris stenophylla Hausskn. & Siehe ex Baker | 20381 | 20417 |
| Iris stenophylla Hausskn. & Siehe ex Baker | | a | | Iris stenophylla Hausskn. & Siehe ex Baker | | 20417 | |
| Iris stocksii (Baker) Boiss. | | a | | Iris stocksii (Baker) Boiss. | | 20418 | |
| Iris vicaria (Vved.) T. Hall & Seisums | | a | | Iris vicaria (Vved.) T. Hall & Seisums | | 20441 | |
| Iris warleyensis Foster | | a | | Iris warleyensis Foster | | 20443 | |
| Iris kopetdagensis (Vved.) B. Mathew & Wendelbo | | a | | Iris kopetdagensis (Vved.) B. Mathew & Wendelbo | | 315296 | |
| Iris aitchisonii (Baker) Boiss. | | a | | Iris aitchisonii (Baker) Boiss. | | 428843 | |
| Iris albomarginata R. C. Foster | | a | | Iris albomarginata R. C. Foster | | 428844 | |
| Iris atropatana Grossh. | | a | | Iris atropatana Grossh. | | 428846 | |
| Iris aucheri (Baker) Sealy | | a | | Iris aucheri (Baker) Sealy | | 428847 | |
| Iris baldschuanica O. Fedtsch. & B. Fedtsch. | | a | | Iris baldschuanica O. Fedtsch. & B. Fedtsch. | | 428849 | |
| Iris cabulica Gilli | | a | | Iris cabulica Gilli | | 428850 | |
| Iris carterorum B. Mathew & Wendelbo | | a | | Iris carterorum B. Mathew & Wendelbo | | 428853 | |
| Iris cycloglossa Wendelbo | | a | | Iris cycloglossa Wendelbo | | 428854 | |
| Iris doabensis B. Mathew | | a | | Iris doabensis B. Mathew | | 428858 | |
| Iris edomensis Sealy | | a | | Iris edomensis Sealy | | 428861 | |
| Iris fosteriana Aitch. & Baker | | a | | Iris fosteriana Aitch. & Baker | | 428865 | |
| Iris galatica Siehe | | a | | Iris galatica Siehe | | 428868 | |
| Iris graeberiana Tubergen ex Sealy | | a | | Iris graeberiana Tubergen ex Sealy | | 428871 | |
| Iris hippolyti (Vved.) Kamelin | | a | | Iris hippolyti (Vved.) Kamelin | | 428872 | |
| Iris hymenospatha B. Mathew & Wendelbo | | a | | Iris hymenospatha B. Mathew & Wendelbo | | 428876 | |
| Iris inconspicua (Vved.) T. Hall & Seisums | | a | | Iris inconspicua (Vved.) T. Hall & Seisums | | 428877 | |
| Iris kuschakewiczii B. Fedtsch. | | a | | Iris kuschakewiczii B. Fedtsch. | | 428879 | |
| Iris leptorhiza Vved. | | a | | Iris leptorhiza Vved. | | 428881 | |
| Iris linifolia (Regel) O. Fedtsch. | | a | | Iris linifolia (Regel) O. Fedtsch. | | 428883 | |
| Iris maracandica (Vved.) Wendelbo | | a | | Iris maracandica (Vved.) Wendelbo | | 428884 | |
| Iris microglossa Wendelbo | | a | | Iris microglossa Wendelbo | | 428886 | |
| Iris narynensis O. Fedtsch. | | a | | Iris narynensis O. Fedtsch. | | 428890 | |
| Iris nicolai Vved., nom. inval. | Iris rosenbachiana Regel | | | Iris nicolai Vved., nom. inval. | Iris rosenbachiana Regel | 428892 | 428908 |
| Iris nusairiensis Mouterde | | a | | Iris nusairiensis Mouterde | | 428893 | |
| Iris odontostyla B. Mathew & Wendelbo | | a | | Iris odontostyla B. Mathew & Wendelbo | | 428895 | |
| Iris parvula (Vved.) T. Hall & Seisums | | a | | Iris parvula (Vved.) T. Hall & Seisums | | 428897 | |
| Iris planifolia (Mill.) Fiori & Paol. | | a | | Iris planifolia (Mill.) Fiori & Paol. | | 428899 | |
| Iris platyptera B. Mathew & Wendelbo | | a | | Iris platyptera B. Mathew & Wendelbo | | 428900 | |
| Iris popovii (Vved.) Vved. ex F. O. Khass. & Rakhimova | | a | | Iris popovii (Vved.) Vved. ex F. O. Khass. & Rakhimova | | 428901 | |
| Iris porphyrochrysa Wendelbo | | a | | Iris porphyrochrysa Wendelbo | | 428902 | |
| Iris postii Mouterde | | a | | Iris postii Mouterde | | 428903 | |
| Iris pseudocaucasica Grossh. | | a | | Iris pseudocaucasica Grossh. | | 428905 | |
| Iris regis-uzziae Feinbrun | | a | | Iris regis-uzziae Feinbrun | | 428906 | |
| Iris rosenbachiana Regel | | a | | Iris rosenbachiana Regel | | 428908 | |
| Iris schischkinii Grossh. | | a | | Iris schischkinii Grossh. | | 428910 | |
| Iris subdecolorata Vved. | | a | | Iris subdecolorata Vved. | | 428911 | |
| Iris svetlanae (Vved.) F. O. Khass. | | a | | Iris svetlanae (Vved.) F. O. Khass. | | 428913 | |
| Iris tadshikorum Vved. | | a | | Iris tadshikorum Vved. | | 428915 | |
| Iris tubergeniana Foster | | a | | Iris tubergeniana Foster | | 428916 | |
| Iris vvedenskyi Nevski ex Woronow & Popov | | a | | Iris vvedenskyi Nevski ex Woronow & Popov | | 428917 | |
| Iris wendelboi Grey-Wilson & B. Mathew | | a | | Iris wendelboi Grey-Wilson & B. Mathew | | 428918 | |
| Iris willmottiana Foster | | a | | Iris willmottiana Foster | | 428919 | |
| Iris xanthochlora Wendelbo | | a | | Iris xanthochlora Wendelbo | | 428920 | |
| Iris zaprjagajevii (Abramov) T. Hall & Seisums | | a | | Iris zaprjagajevii (Abramov) T. Hall & Seisums | | 428921 | |
| Iris zenaidae (Vved.) F. O. Khass. & Rakhimova | | a | | Iris zenaidae (Vved.) F. O. Khass. & Rakhimova | | 428922 | |
| Iris coerulea B. Fedtsch. | Iris fedtschenkoi F. O. Khass. & Rakhimova | | | Iris coerulea B. Fedtsch. | Iris fedtschenkoi F. O. Khass. & Rakhimova | 429298 | 468596 |
| Iris caucasica Hoffm. var. linifolia Regel | Iris linifolia (Regel) O. Fedtsch. | | i | Iris caucasica Hoffm. var.linifolia Regel | Iris linifolia (Regel) O. Fedtsch. | 432665 | 428883 |
| Iris orchioides hort. | Iris bucharica Foster | | | Iris orchioides hort. | Iris bucharica Foster | 468588 | 20265 |
| Iris fedtschenkoi F. O. Khass. & Rakhimova | | a | | Iris fedtschenkoi F. O. Khass. & Rakhimova | | 468596 | |
| Iris pseudocapnoides Rukšāns | | a | | Iris pseudocapnoides Rukšāns | | 468597 | |
| Iris capnoides (Vved.) T. Hall & Seisums | | a | | Iris capnoides (Vved.) T. Hall & Seisums | | 468602 | |