| Iris acutiloba C. A. Mey. | | a | | Iris acutiloba C. A. Mey. | | 20244 | |
| Iris alberti Regel | | a | | Iris alberti Regel | | 20246 | |
| Iris antilibanotica Dinsm. | | a | | Iris antilibanotica Dinsm. | | 20249 | |
| Iris aphylla L. | | a | | Iris aphylla L. | | 20250 | |
| Iris atropurpurea Baker | | a | | Iris atropurpurea Baker | | 20252 | |
| Iris attica Boiss. & Heldr. | | a | | Iris attica Boiss. & Heldr. | | 20254 | |
| Iris aurantica Dinsm. | | a | | Iris aurantica Dinsm. | | 20255 | |
| Iris barnumiae Baker & Foster | | a | | Iris barnumiae Baker & Foster | | 20258 | |
| Iris bartonii Foster | Iris kashmiriana Baker | | | Iris bartonii Foster | Iris kashmiriana Baker | 20259 | 20341 |
| Iris basaltica Dinsm. | | a | | Iris basaltica Dinsm. | | 20260 | |
| Iris biggeri Dinsm. | | a | | Iris biggeri Dinsm. | | 20263 | |
| Iris bismarckiana Regel | | a | | Iris bismarckiana Regel | | 20264 | |
| Iris cengialti Ambrosi ex A. Kern. | Iris pallida Lam. subsp. cengialti (Ambrosi ex A. Kern.) Foster | | | Iris cengialti Ambrosi ex A. Kern. | Iris pallida Lam. subsp. cengialti (Ambrosi ex A. Kern.) Foster | 20271 | 402219 |
| Iris chamaeiris Ambrosi var. italica (Parl.) Baker | Iris lutescens Lam. | | i | Iris chamaeiris Ambrosi var.italica (Parl.) Baker | Iris lutescens Lam. | 20273 | 20353 |
| Iris chamaeiris Ambrosi var. olbiensis (Hénon) Baker | Iris lutescens Lam. | | i | Iris chamaeiris Ambrosi var.olbiensis (Hénon) Baker | Iris lutescens Lam. | 20274 | 20353 |
| Iris ewbankiana Foster | Iris acutiloba C. A. Mey. | | | Iris ewbankiana Foster | Iris acutiloba C. A. Mey. | 20298 | 20244 |
| Iris falcifolia Bunge | | a | | Iris falcifolia Bunge | | 20299 | |
| Iris flavescens Redouté | Iris variegata L. | | | Iris flavescens Redouté | Iris variegata L. | 20302 | 428612 |
| Iris fominii Woronow ex Grossh. | Iris acutiloba C. A. Mey. | | | Iris fominii Woronow ex Grossh. | Iris acutiloba C. A. Mey. | 20304 | 20244 |
| Iris furcata M. Bieb. | Iris aphylla L. | | | Iris furcata M. Bieb. | Iris aphylla L. | 20308 | 20250 |
| Iris gatesii Foster | | a | | Iris gatesii Foster | | 20309 | |
| Iris ×germanica L. | | a | | Iris germanica L. | | 20310 | |
| Iris grossheimii Woronow ex Grossh. | | a | | Iris grossheimii Woronow ex Grossh. | | 20315 | |
| Iris hauranensis Dinsm. | Iris jordana Dinsm. | | | Iris hauranensis Dinsm. | Iris jordana Dinsm. | 20323 | 428634 |
| Iris haynei Baker | | a | | Iris haynei Baker | | 20324 | |
| Iris hermona Dinsm. | | a | | Iris hermona Dinsm. | | 20326 | |
| Iris hookeriana Foster | | a | | Iris hookeriana Foster | | 20332 | |
| Iris hoogiana Dykes | | a | | Iris hoogiana Dykes | | 20333 | |
| Iris iberica Hoffm. | | a | | Iris iberica Hoffm. | | 20335 | |
| Iris imbricata Lindl. | | a | | Iris imbricata Lindl. | | 20336 | |
| Iris italica Parl. | Iris lutescens Lam. | | | Iris italica Parl. | Iris lutescens Lam. | 20337 | 20353 |
| Iris junonia Schott & Kotschy | Iris pallida Lam. | | | Iris junonia Schott & Kotschy | Iris pallida Lam. | 20339 | 20378 |
| Iris kashmiriana Baker | | a | | Iris kashmiriana Baker | | 20341 | |
| Iris kasruwana Dinsm. | Iris sofarana Foster | | | Iris kasruwana Dinsm. | Iris sofarana Foster | 20342 | 20403 |
| Iris korolkowii Regel | | a | | Iris korolkowii Regel | | 20345 | |
| Iris kamaonensis Wall. ex D. Don, orth. var. | Iris kemaonensis Wall. ex Royle | | | Iris kamaonensis Wall. ex D. Don, orth. var. | Iris kemaonensis Wall. ex Royle | 20346 | 429062 |
| Iris lortetii Barbey ex Boiss. | | a | | Iris lortetii Barbey ex Boiss. | | 20350 | |
| Iris lupina Foster | | a | | Iris lupina Foster | | 20351 | |
| Iris ×lurida Aiton | Iris ×sambucina L. | | | Iris lurida Aiton | Iris sambucina L. | 20352 | 20392 |
| Iris lutescens Lam. | | a | | Iris lutescens Lam. | | 20353 | |
| Iris lutescens Lam. var. statellae (Tod.) Baker | Iris lutescens Lam. | | i | Iris lutescens Lam. var.statellae (Tod.) Baker | Iris lutescens Lam. | 20354 | 20353 |
| Iris lycotis Woronow | Iris iberica Hoffm. | | | Iris lycotis Woronow | Iris iberica Hoffm. | 20355 | 20335 |
| Iris mellita Janka | Iris suaveolens Boiss. & Reut. | | | Iris mellita Janka | Iris suaveolens Boiss. & Reut. | 20360 | 20421 |
| Iris nazarena (Foster) Dinsm. | Iris bismarckiana Regel | | | Iris nazarena (Foster) Dinsm. | Iris bismarckiana Regel | 20367 | 20264 |
| Iris nigricans Dinsm. | | a | | Iris nigricans Dinsm. | | 20369 | |
| Iris obtusifolia Baker | Iris imbricata Lindl. | | | Iris obtusifolia Baker | Iris imbricata Lindl. | 20371 | 20336 |
| Iris olbiensis Hénon | Iris lutescens Lam. | | | Iris olbiensis Hénon | Iris lutescens Lam. | 20373 | 20353 |
| Iris pallida Lam. | | a | | Iris pallida Lam. | | 20378 | |
| Iris paradoxa Steven | | a | | Iris paradoxa Steven | | 20379 | |
| Iris polakii Stapf | | a | | Iris polakii Stapf | | 20382 | |
| Iris pumila L. | | a | | Iris pumila L. | | 20386 | |
| Iris rubromarginata Baker | Iris suaveolens Boiss. & Reut. | | | Iris rubromarginata Baker | Iris suaveolens Boiss. & Reut. | 20389 | 20421 |
| Iris samariae Dinsm. | | a | | Iris samariae Dinsm. | | 20391 | |
| Iris ×sambucina L. | | a | | Iris sambucina L. | | 20392 | |
| Iris sari Schott ex Baker var. nazarena Foster | Iris bismarckiana Regel | | i | Iris sari Schott ex Baker var.nazarena Foster | Iris bismarckiana Regel | 20394 | 20264 |
| Iris schelkownikowii Fomin | | a | | Iris schelkownikowii Fomin | | 20396 | |
| Iris sikkimensis Dykes | | a | | Iris sikkimensis Dykes | | 20400 | |
| Iris sofarana Foster | | a | | Iris sofarana Foster | | 20403 | |
| Iris ×squalens L. | Iris ×sambucina L. | | | Iris squalens L. | Iris sambucina L. | 20415 | 20392 |
| Iris statellae Tod. | Iris lutescens Lam. | | | Iris statellae Tod. | Iris lutescens Lam. | 20416 | 20353 |
| Iris stolonifera Maxim. | | a | | Iris stolonifera Maxim. | | 20419 | |
| Iris suaveolens Boiss. & Reut. | | a | | Iris suaveolens Boiss. & Reut. | | 20421 | |
| Iris sulphurea K. Koch | Iris imbricata Lindl. | | | Iris sulphurea K. Koch | Iris imbricata Lindl. | 20422 | 20336 |
| Iris susiana L. | | a | | Iris susiana L. | | 20423 | |
| Iris urmiensis Hoog | Iris barnumiae Baker & Foster | | | Iris urmiensis Hoog | Iris barnumiae Baker & Foster | 20436 | 20258 |
| Iris westii Dinsm. | | a | | Iris westii Dinsm. | | 20444 | |
| Iris ×germanica L. var. florentina Dykes | | a | i | Iris germanica L. var.florentina Dykes | | 400251 | |
| Iris florentina L. | | a | | Iris florentina L. | | 400617 | |
| Iris pallida Lam. subsp. pallida | | a | i | Iris pallida Lam. subsp. pallida | | 402218 | |
| Iris pallida Lam. subsp. cengialti (Ambrosi ex A. Kern.) Foster | | a | i | Iris pallida Lam. subsp. cengialti (Ambrosi ex A. Kern.) Foster | | 402219 | |
| Iris ×germanica L. var. germanica | | a | i | Iris germanica L. var.germanica | | 405220 | |
| Iris albicans Lange | Iris florentina L. | | | Iris albicans Lange | Iris florentina L. | 410592 | 400617 |
| Iris tigridia Bunge | | a | | Iris tigridia Bunge | | 413660 | |
| Iris alexeenkoi Grossh. | | a | | Iris alexeenkoi Grossh. | | 428483 | |
| Iris amoena Redouté | Iris variegata L. | | | Iris amoena Redouté | Iris variegata L. | 428484 | 428612 |
| Iris babadagica Rzazade & Goln. | | a | | Iris babadagica Rzazade & Goln. | | 428583 | |
| Iris glockiana O. Schwarz | | a | | Iris glockiana O. Schwarz | | 428589 | |
| Iris griffithii Baker | | a | | Iris griffithii Baker | | 428591 | |
| Iris marsica I. Ricci & Colas. | | a | | Iris marsica I. Ricci & Colas. | | 428597 | |
| Iris perrieri Simonet ex P. Fourn. | | a | | Iris perrieri Simonet ex P. Fourn. | | 428599 | |
| Iris pseudopumila Tineo | | a | | Iris pseudopumila Tineo | | 428600 | |
| Iris reichenbachii Heuff. | | a | | Iris reichenbachii Heuff. | | 428602 | |
| Iris scariosa Willd. ex Link | | a | | Iris scariosa Willd. ex Link | | 428604 | |
| Iris schachtii Markgr. | | a | | Iris schachtii Markgr. | | 428605 | |
| Iris subbiflora Brot. | | a | | Iris subbiflora Brot. | | 428606 | |
| Iris taochia Woronow ex Grossh. | | a | | Iris taochia Woronow ex Grossh. | | 428608 | |
| Iris timofejewii Woronow | | a | | Iris timofejewii Woronow | | 428609 | |
| Iris variegata L. | | a | | Iris variegata L. | | 428612 | |
| Iris bloudowii Bunge | | a | | Iris bloudowii Bunge | | 428613 | |
| Iris humilis Georgi | | a | | Iris humilis Georgi | | 428615 | |
| Iris mandshurica Maxim. | | a | | Iris mandshurica Maxim. | | 428616 | |
| Iris potaninii Maxim. | | a | | Iris potaninii Maxim. | | 428618 | |
| Iris assadiana Chaudhary et al. | | a | | Iris assadiana Chaudhary et al. | | 428621 | |
| Iris atrofusca Baker | | a | | Iris atrofusca Baker | | 428623 | |
| Iris bostrensis Mouterde | | a | | Iris bostrensis Mouterde | | 428627 | |
| Iris camillae Grossh. | | a | | Iris camillae Grossh. | | 428628 | |
| Iris cedretii Dinsm. ex Chaudhary | | a | | Iris cedretii Dinsm. ex Chaudhary | | 428629 | |
| Iris damascena Mouterde | | a | | Iris damascena Mouterde | | 428630 | |
| Iris elisabethae Siehe | | a | | Iris elisabethae Siehe | | 428631 | |
| Iris heylandiana Boiss. & Reut. | | a | | Iris heylandiana Boiss. & Reut. | | 428632 | |
| Iris jordana Dinsm. | | a | | Iris jordana Dinsm. | | 428634 | |
| Iris keredjensis Parsa | | a | | Iris keredjensis Parsa | | 428635 | |
| Iris kirkwoodiae Chaudhary | | a | | Iris kirkwoodiae Chaudhary | | 428636 | |
| Iris mariae Barbey | | a | | Iris mariae Barbey | | 428637 | |
| Iris meda Stapf | | a | | Iris meda Stapf | | 428640 | |
| Iris nectarifera Güner | | a | | Iris nectarifera Güner | | 428642 | |
| Iris petrana Dinsm. | | a | | Iris petrana Dinsm. | | 428643 | |
| Iris swensoniana Chaudhary et al. | | a | | Iris swensoniana Chaudhary et al. | | 428644 | |
| Iris yebrudii Dinsm. ex Chaudhary | | a | | Iris yebrudii Dinsm. ex Chaudhary | | 428645 | |
| Iris afghanica Wendelbo | | a | | Iris afghanica Wendelbo | | 428646 | |
| Iris darwasica Regel | | a | | Iris darwasica Regel | | 428647 | |
| Iris heweri Grey-Wilson & B. Mathew | | a | | Iris heweri Grey-Wilson & B. Mathew | | 428648 | |
| Iris kuschkensis Grey-Wilson & B. Mathew | | a | | Iris kuschkensis Grey-Wilson & B. Mathew | | 428652 | |
| Iris lineata Foster ex Regel | | a | | Iris lineata Foster ex Regel | | 428654 | |
| Iris longiscapa Ledeb. | | a | | Iris longiscapa Ledeb. | | 428655 | |
| Iris goniocarpa Baker | | a | | Iris goniocarpa Baker | | 428658 | |
| Iris narcissiflora Diels | | a | | Iris narcissiflora Diels | | 428928 | |
| Iris purpureobractea B. Mathew & T. Baytop | | a | | Iris purpureobractea B. Mathew & T. Baytop | | 428958 | |
| Iris revoluta Colas. | | a | | Iris revoluta Colas. | | 428959 | |
| Iris curvifolia Y. T. Zhao | | a | | Iris curvifolia Y. T. Zhao | | 428961 | |
| Iris pandurata Maxim. | Iris tigridia Bunge | | | Iris pandurata Maxim. | Iris tigridia Bunge | 428962 | 413660 |
| Iris flavissima Pall. | Iris humilis Georgi | | | Iris flavissima Pall. | Iris humilis Georgi | 429049 | 428615 |
| Iris psammocola Y. T. Zhao | | a | | Iris psammocola Y. T. Zhao | | 429059 | |
| Iris cuniculiformis Noltie & K. Y. Guan | | a | | Iris cuniculiformis Noltie & K. Y. Guan | | 429061 | |
| Iris kemaonensis Wall. ex Royle | | a | | Iris kemaonensis Wall. ex Royle | | 429062 | |
| Iris dolichosiphon Noltie | | a | | Iris dolichosiphon Noltie | | 429063 | |
| Iris mesopotamica Dykes | | a | | Iris mesopotamica Dykes | | 429078 | |
| Iris medwedewii Fomin | Iris paradoxa Steven | | | Iris medwedewii Fomin | Iris paradoxa Steven | 429289 | 20379 |
| Iris karategina B. Fedtsch. | Iris lineata Foster ex Regel | | | Iris karategina B. Fedtsch. | Iris lineata Foster ex Regel | 429291 | 428654 |
| Iris bicapitata Colas. | | a | | Iris bicapitata Colas. | | 429299 | |
| Iris sari Schott ex Baker | | a | | Iris sari Schott ex Baker | | 432682 | |
| Iris sprengeri Siehe | | a | | Iris sprengeri Siehe | | 432683 | |
| Iris dolichosiphon Noltie subsp. dolichosiphon | | a | i | Iris dolichosiphon Noltie subsp. dolichosiphon | | 432690 | |
| Iris dolichosiphon Noltie subsp. orientalis Noltie | | a | i | Iris dolichosiphon Noltie subsp. orientalis Noltie | | 432691 | |
| Iris adriatica Trinajstić ex Mitić | | a | | Iris adriatica Trinajstić ex Mitić | | 432697 | |
| Iris relicta Colas. | | a | | Iris relicta Colas. | | 432698 | |
| Iris iberica Hoffm. subsp. elegantissma (Sosn.) Fed. & Takht. | | a | i | Iris iberica Hoffm. subsp. elegantissma (Sosn.) Fed. & Takht. | | 449664 | |
| Iris iberica Hoffm. subsp. iberica | | a | i | Iris iberica Hoffm. subsp. iberica | | 449665 | |
| Iris glaucescens Bunge | Iris scariosa Willd. ex Link | | | Iris glaucescens Bunge | Iris scariosa Willd. ex Link | 468581 | 428604 |
| Iris acutiloba C. A. Mey. subsp. acutiloba | | a | i | Iris acutiloba C. A. Mey. subsp. acutiloba | | 476345 | |
| Iris acutiloba C. A. Mey. subsp. lineolata (Trautv.) B. Mathew & Wendelbo | | a | i | Iris acutiloba C. A. Mey. subsp. lineolata (Trautv.) B. Mathew & Wendelbo | | 476346 | |
| Iris acutiloba C. A. Mey. var. lineolata Trautv. | Iris acutiloba C. A. Mey. subsp. lineolata (Trautv.) B. Mathew & Wendelbo | | i | Iris acutiloba C. A. Mey. var.lineolata Trautv. | Iris acutiloba C. A. Mey. subsp. lineolata (Trautv.) B. Mathew & Wendelbo | 476347 | 476346 |
| Iris acutiloba C. A. Mey. subsp. longitepala B. Mathew & Zarrei | | a | i | Iris acutiloba C. A. Mey. subsp. longitepala B. Mathew & Zarrei | | 476348 | |
| Iris florentina hort. | Iris ×germanica L. var. florentina Dykes | | | Iris florentina hort. | Iris germanica L. var.florentina Dykes | 481074 | 400251 |