| Stipa avenacea L. | Piptochaetium avenaceum (L.) Parodi | | | Stipa avenacea L. | Piptochaetium avenaceum (L.) Parodi | 35609 | 402293 |
| Stipa baicalensis Roshev. | | a | | Stipa baicalensis Roshev. | | 35610 | |
| Stipa barbata Desf. | | a | | Stipa barbata Desf. | | 35611 | |
| Stipa bavioensis Speg. | Nassella philippii (Steud.) Barkworth | | | Stipa bavioensis Speg. | Nassella philippii (Steud.) Barkworth | 35612 | 444576 |
| Stipa bicolor Vahl | Piptochaetium bicolor (Vahl) É. Desv. | | | Stipa bicolor Vahl | Piptochaetium bicolor (Vahl) É. Desv. | 35613 | 28614 |
| Stipa bloomeri Bol. | Achnatherum ×bloomeri (Bol.) Barkworth | | | Stipa bloomeri Bol. | Achnatherum bloomeri (Bol.) Barkworth | 35614 | 402282 |
| Stipa brachychaeta Godr. | Amelichloa brachychaeta (Godr.) Arriaga & Barkworth | | | Stipa brachychaeta Godr. | Amelichloa brachychaeta (Godr.) Arriaga & Barkworth | 35615 | 452839 |
| Stipa bromoides (L.) Dörfl. | Achnatherum bromoides (L.) P. Beauv. | | | Stipa bromoides (L.) Dörfl. | Achnatherum bromoides (L.) P. Beauv. | 35616 | 317761 |
| Stipa calamagrostis (L.) Wahlenb. | Achnatherum calamagrostis (L.) P. Beauv. | | | Stipa calamagrostis (L.) Wahlenb. | Achnatherum calamagrostis (L.) P. Beauv. | 35617 | 317758 |
| Stipa californica Merr. & Burtt Davy | Achnatherum occidentale (Thurb.) Barkworth subsp. californicum (Merr. & Burtt Davy) Barkworth | | | Stipa californica Merr. & Burtt Davy | Achnatherum occidentale (Thurb.) Barkworth subsp. californicum (Merr. & Burtt Davy) Barkworth | 35618 | 402272 |
| Stipa capillata L. | | a | | Stipa capillata L. | | 35620 | |
| Stipa caucasica Schmalh. | | a | | Stipa caucasica Schmalh. | | 35621 | |
| Stipa cernua Stebbins & Á. Löve | Nassella cernua (Stebbins & Á. Löve) Barkworth | | | Stipa cernua Stebbins & Á. Löve | Nassella cernua (Stebbins & Á. Löve) Barkworth | 35622 | 402078 |
| Stipa charruana Arechav. | Nassella charruana (Arechav.) Barkworth | | | Stipa charruana Arechav. | Nassella charruana (Arechav.) Barkworth | 35623 | 402079 |
| Stipa chrysophylla É. Desv. | Stipa humilis Brot. | | | Stipa chrysophylla É. Desv. | Stipa humilis Brot. | 35624 | 35651 |
| Stipa chubutensis Speg. | | a | | Stipa chubutensis Speg. | | 35625 | |
| Stipa clarazii Ball | | a | | Stipa clarazii Ball | | 35626 | |
| Stipa columbiana auct. | Achnatherum nelsonii (Scribn.) Barkworth subsp. dorei (Barkworth & J. Maze) Barkworth | | | Stipa columbiana auct. | Achnatherum nelsonii (Scribn.) Barkworth subsp. dorei (Barkworth & J. Maze) Barkworth | 35627 | 402271 |
| Stipa columbiana Macoun var. nelsonii (Scribn.) H. St. John | Achnatherum nelsonii (Scribn.) Barkworth subsp. nelsonii | | i | Stipa columbiana Macoun var.nelsonii (Scribn.) H. St. John | Achnatherum nelsonii (Scribn.) Barkworth subsp. nelsonii | 35630 | 402269 |
| Stipa comata Trin. & Rupr. | Hesperostipa comata (Trin. & Rupr.) Barkworth subsp. comata | | | Stipa comata Trin. & Rupr. | Hesperostipa comata (Trin. & Rupr.) Barkworth subsp. comata | 35631 | 402286 |
| Stipa comata Trin. & Rupr. var. intermedia Scribn. & Tweedy | Hesperostipa comata (Trin. & Rupr.) Barkworth subsp. intermedia (Scribn. & Tweedy) Barkworth | | i | Stipa comata Trin. & Rupr. var.intermedia Scribn. & Tweedy | Hesperostipa comata (Trin. & Rupr.) Barkworth subsp. intermedia (Scribn. & Tweedy) Barkworth | 35632 | 402287 |
| Stipa dasyphylla (Lindem.) Czern. ex Trautv. | | a | | Stipa dasyphylla (Lindem.) Czern. ex Trautv. | | 35633 | |
| Stipa densiflora Hughes | Austrostipa densiflora (Hughes) S. W. L. Jacobs & J. Everett | | | Stipa densiflora Hughes | Austrostipa densiflora (Hughes) S. W. L. Jacobs & J. Everett | 35634 | 407844 |
| Stipa diegoensis Swallen | Achnatherum diegoense (Swallen) Barkworth | | | Stipa diegoensis Swallen | Achnatherum diegoense (Swallen) Barkworth | 35635 | 402265 |
| Stipa dregeana Steud. | | a | | Stipa dregeana Steud. | | 35636 | |
| Stipa elegantissima Labill. | Austrostipa elegantissima (Labill.) S. W. L. Jacobs & J. Everett | | | Stipa elegantissima Labill. | Austrostipa elegantissima (Labill.) S. W. L. Jacobs & J. Everett | 35637 | 407845 |
| Stipa eminens Cav. | Achnatherum eminens (Cav.) Barkworth | | | Stipa eminens Cav. | Achnatherum eminens (Cav.) Barkworth | 35638 | 402266 |
| Stipa falcata Hughes | Austrostipa scabra (Lindl.) S. W. L. Jacobs & J. Everett subsp. falcata (Hughes) S. W. L. Jacobs & J. Everett | | | Stipa falcata Hughes | Austrostipa scabra (Lindl.) S. W. L. Jacobs & J. Everett subsp. falcata (Hughes) S. W. L. Jacobs & J. Everett | 35639 | 408772 |
| Stipa filiculmis Delile | Nassella filiculmis (Delile) Barkworth | | | Stipa filiculmis Delile | Nassella filiculmis (Delile) Barkworth | 35640 | 402081 |
| Stipa fimbriata Kunth | Piptochaetium fimbriatum (Kunth) Hitchc. | | | Stipa fimbriata Kunth | Piptochaetium fimbriatum (Kunth) Hitchc. | 35641 | 28616 |
| Stipa fontanesii Parl. | Stipa holosericea Trin. & Rupr. subsp. fontanesii (Parl.) Tzvelev | | | Stipa fontanesii Parl. | Stipa holosericea Trin. & Rupr. subsp. fontanesii (Parl.) Tzvelev | 35642 | 408761 |
| Stipa formicarum Delile | Nassella formicarum (Delile) Barkworth | | | Stipa formicarum Delile | Nassella formicarum (Delile) Barkworth | 35643 | 402082 |
| Stipa gigantea Link | Celtica gigantea (Link) F. M. Vázquez & Barkworth | | | Stipa gigantea Link | Celtica gigantea (Link) F. M. Vázquez & Barkworth | 35644 | 446537 |
| Stipa gynerioides Phil. | Stipa eriostachya Kunth | | | Stipa gynerioides Phil. | Stipa eriostachya Kunth | 35646 | 444580 |
| Stipa hirtiflora Hack. | | a | | Stipa hirtiflora Hack. | | 35647 | |
| Stipa haussknechtii Boiss. | | a | | Stipa haussknechtii Boiss. | | 35648 | |
| Stipa hohenackeriana Trin. & Rupr. | | a | | Stipa hohenackeriana Trin. & Rupr. | | 35649 | |
| Stipa holosericea Trin. & Rupr. | | a | | Stipa holosericea Trin. & Rupr. | | 35650 | |
| Stipa humilis Brot. | | a | | Stipa humilis Brot. | | 35651 | |
| Stipa hyalina Nees | Nassella hyalina (Nees) Barkworth | | | Stipa hyalina Nees | Nassella hyalina (Nees) Barkworth | 35652 | 402083 |
| Stipa hymenoides Roem. & Schult. | Achnatherum hymenoides (Roem. & Schult.) Barkworth | | | Stipa hymenoides Roem. & Schult. | Achnatherum hymenoides (Roem. & Schult.) Barkworth | 35654 | 402285 |
| Stipa hypogona Hack. | Piptochaetium napostaense (Speg.) Hack. | | | Stipa hypogona Hack. | Piptochaetium napostaense (Speg.) Hack. | 35655 | 408773 |
| Stipa ibari Phil. | | a | | Stipa ibari Phil. | | 35656 | |
| Stipa ichu (Ruiz & Pav.) Kunth | Jarava ichu Ruiz & Pav. | | | Stipa ichu (Ruiz & Pav.) Kunth | Jarava ichu Ruiz & Pav. | 35657 | 20637 |
| Stipa jacquemontii Jaub. & Spach | Achnatherum jacquemontii (Jaub. & Spach) P. C. Kuo & S. L. Lu | | | Stipa jacquemontii Jaub. & Spach | Achnatherum jacquemontii (Jaub. & Spach) P. C. Kuo & S. L. Lu | 35658 | 317759 |
| Stipa joannis Čelak. | | a | | Stipa joannis Čelak. | | 35659 | |
| Stipa joannis Čelak. var. puberula Podp. & Suza | | a | i | Stipa joannis Čelak. var.puberula Podp. & Suza | | 35660 | |
| Stipa juergensii Hack. | Nassella juergensii (Hack.) Barkworth | | | Stipa juergensii Hack. | Nassella juergensii (Hack.) Barkworth | 35661 | 402084 |
| Stipa juncea auct. | Stipa offneri Breistr. | | | Stipa juncea auct. | Stipa offneri Breistr. | 35662 | 408784 |
| Stipa juncoides Speg. | | a | | Stipa juncoides Speg. | | 35663 | |
| Stipa kirghisorum P. A. Smirn. | | a | | Stipa kirghisorum P. A. Smirn. | | 35664 | |
| Stipa lagascae Roem. & Schult. | | a | | Stipa lagascae Roem. & Schult. | | 35665 | |
| Stipa lemmonii (Vasey) Scribn. | Achnatherum lemmonii (Vasey) Barkworth | | | Stipa lemmonii (Vasey) Scribn. | Achnatherum lemmonii (Vasey) Barkworth | 35666 | 402267 |
| Stipa lessingiana Trin. & Rupr. | | a | | Stipa lessingiana Trin. & Rupr. | | 35667 | |
| Stipa lettermanii Vasey | Achnatherum lettermanii (Vasey) Barkworth | | | Stipa lettermanii Vasey | Achnatherum lettermanii (Vasey) Barkworth | 35668 | 402268 |
| Stipa leucotricha Trin. & Rupr. | Nassella leucotricha (Trin. & Rupr.) R. W. Pohl | | | Stipa leucotricha Trin. & Rupr. | Nassella leucotricha (Trin. & Rupr.) R. W. Pohl | 35669 | 402085 |
| Stipa longiglumis Phil. | Nassella longiglumis (Phil.) Barkworth | | | Stipa longiglumis Phil. | Nassella longiglumis (Phil.) Barkworth | 35670 | 402086 |
| Stipa megapotamica Spreng. ex Trin. | Nassella megapotamica (Spreng. ex Trin.) Barkworth | | | Stipa megapotamica Spreng. ex Trin. | Nassella megapotamica (Spreng. ex Trin.) Barkworth | 35671 | 402087 |
| Stipa melanosperma J. Presl | Nassella melanosperma (J. Presl) Barkworth | | | Stipa melanosperma J. Presl | Nassella melanosperma (J. Presl) Barkworth | 35672 | 402088 |
| Stipa melanosperma J. Presl var. erythrina Hack. | Nassella melanosperma (J. Presl) Barkworth | | i | Stipa melanosperma J. Presl var.erythrina Hack. | Nassella melanosperma (J. Presl) Barkworth | 35673 | 402088 |
| Stipa namaquensis Pilg. | | a | | Stipa namaquensis Pilg. | | 35674 | |
| Stipa neaei Nees | | a | | Stipa neaei Nees | | 35675 | |
| Stipa neesiana Trin. & Rupr. | Nassella neesiana (Trin. & Rupr.) Barkworth | | | Stipa neesiana Trin. & Rupr. | Nassella neesiana (Trin. & Rupr.) Barkworth | 35676 | 402089 |
| Stipa neomexicana (Thurb.) Scribn. | Hesperostipa neomexicana (Thurb.) Barkworth | | | Stipa neomexicana (Thurb.) Scribn. | Hesperostipa neomexicana (Thurb.) Barkworth | 35678 | 402289 |
| Stipa nevadensis B. L. Johnson | Achnatherum nevadense (B. L. Johnson) Barkworth | | | Stipa nevadensis B. L. Johnson | Achnatherum nevadense (B. L. Johnson) Barkworth | 35679 | 402273 |
| Stipa nitida Summerh. & C. E. Hubb. | Austrostipa nitida (Summerh. & C. E. Hubb.) S. W. L. Jacobs & J. Everett | | | Stipa nitida Summerh. & C. E. Hubb. | Austrostipa nitida (Summerh. & C. E. Hubb.) S. W. L. Jacobs & J. Everett | 35680 | 407846 |
| Stipa nutans Hack. | Nassella nutans (Hack.) Barkworth | | | Stipa nutans Hack. | Nassella nutans (Hack.) Barkworth | 35681 | 402090 |
| Stipa occidentalis Thurb. ex S. Watson | Achnatherum occidentale (Thurb. ex S. Watson) Barkworth subsp. occidentale | | | Stipa occidentalis Thurb. ex S. Watson | Achnatherum occidentale (Thurb. ex S. Watson) Barkworth subsp. occidentale | 35682 | 402274 |
| Stipa orientalis Trin. | | a | | Stipa orientalis Trin. | | 35683 | |
| Stipa papposa Nees | Jarava plumosa (Spreng.) S. W. L. Jacobs & J. Everett | | | Stipa papposa Nees | Jarava plumosa (Spreng.) S. W. L. Jacobs & J. Everett | 35684 | 417051 |
| Stipa parviflora Desf. | Stipellula parviflora (Desf.) Röser & Hamasha | | | Stipa parviflora Desf. | Stipellula parviflora (Desf.) Röser & Hamasha | 35685 | 477756 |
| Stipa patagonica Speg. | | a | | Stipa patagonica Speg. | | 35686 | |
| Stipa pennata L. | | a | | Stipa pennata L. | | 35687 | |
| Stipa pennata L. subsp. lessingiana (Trin. & Rupr.) K. Richt. | Stipa lessingiana Trin. & Rupr. | | i | Stipa pennata L. subsp. lessingiana (Trin. & Rupr.) K. Richt. | Stipa lessingiana Trin. & Rupr. | 35688 | 35667 |
| Stipa pennata L. var. neomexicana Thurb. | Hesperostipa neomexicana (Thurb.) Barkworth | | i | Stipa pennata L. var.neomexicana Thurb. | Hesperostipa neomexicana (Thurb.) Barkworth | 35689 | 402289 |
| Stipa pontica P. A. Smirn. | | a | | Stipa pontica P. A. Smirn. | | 35690 | |
| Stipa pringlei Scribn. var. lemmonii Vasey | Achnatherum lemmonii (Vasey) Barkworth | | i | Stipa pringlei Scribn. var.lemmonii Vasey | Achnatherum lemmonii (Vasey) Barkworth | 35691 | 402267 |
| Stipa psylantha Speg. | | a | | Stipa psylantha Speg. | | 35692 | |
| Stipa pubescens R. Br. | Austrostipa pubescens (R. Br.) S. W. L. Jacobs & J. Everett | | | Stipa pubescens R. Br. | Austrostipa pubescens (R. Br.) S. W. L. Jacobs & J. Everett | 35693 | 407847 |
| Stipa pulcherrima K. Koch | | a | | Stipa pulcherrima K. Koch | | 35694 | |
| Stipa pulcherrima K. Koch var. gallica (Steven) Podp. | Stipa pennata L. subsp. eriocaulis (Borbás) Martinovský & Skalický | | i | Stipa pulcherrima K. Koch var.gallica (Steven) Podp. | Stipa pennata L. subsp. eriocaulis (Borbás) Martinovský & Skalický | 35695 | 408765 |
| Stipa pulchra Hitchc. | Nassella pulchra (Hitchc.) Barkworth | | | Stipa pulchra Hitchc. | Nassella pulchra (Hitchc.) Barkworth | 35696 | 402091 |
| Stipa redowskii Trin. | | a | | Stipa redowskii Trin. | | 35697 | |
| Stipa retorta (Nees) Mez | | a | | Stipa retorta (Nees) Mez | | 35698 | |
| Stipa richardsonii Link | Achnatherum richardsonii (Link) Barkworth | | | Stipa richardsonii Link | Achnatherum richardsonii (Link) Barkworth | 35699 | 402277 |
| Stipa richteriana Kar. & Kir. | | a | | Stipa richteriana Kar. & Kir. | | 35700 | |
| Stipa rosengurttii Chase | Nassella rosengurtii (Chase) Barkworth | | | Stipa rosengurttii Chase | Nassella rosengurtii (Chase) Barkworth | 35701 | 402092 |
| Stipa scabra Lindl. | Austrostipa scabra (Lindl.) S. W. L. Jacobs & J. Everett subsp. scabra | | | Stipa scabra Lindl. | Austrostipa scabra (Lindl.) S. W. L. Jacobs & J. Everett subsp. scabra | 35702 | 408771 |
| Stipa semibarbata R. Br. | Austrostipa semibarbata (R. Br.) S. W. L. Jacobs & J. Everett | | | Stipa semibarbata R. Br. | Austrostipa semibarbata (R. Br.) S. W. L. Jacobs & J. Everett | 35703 | 407850 |
| Stipa setigera J. Presl | Nassella mucronata (Kunth) R. W. Pohl | | | Stipa setigera J. Presl | Nassella mucronata (Kunth) R. W. Pohl | 35704 | 444584 |
| Stipa sibirica (L.) Lam. | Achnatherum sibiricum (L.) Keng ex Tzvelev | | | Stipa sibirica (L.) Lam. | Achnatherum sibiricum (L.) Keng ex Tzvelev | 35705 | 467997 |
| Stipa spartea Trin. | Hesperostipa spartea (Trin.) Barkworth | | | Stipa spartea Trin. | Hesperostipa spartea (Trin.) Barkworth | 35706 | 402290 |
| Stipa speciosa Trin. & Rupr. | Achnatherum speciosum (Trin. & Rupr.) Barkworth | | | Stipa speciosa Trin. & Rupr. | Achnatherum speciosum (Trin. & Rupr.) Barkworth | 35707 | 402280 |
| Stipa splendens Trin. | Achnatherum splendens (Trin.) Nevski | | | Stipa splendens Trin. | Achnatherum splendens (Trin.) Nevski | 35708 | 317760 |
| Stipa stenophylla (Czern. ex Lindem.) Trautv. | Stipa tirsa Steven | | | Stipa stenophylla (Czern. ex Lindem.) Trautv. | Stipa tirsa Steven | 35709 | 319072 |
| Stipa szovitziana Trin. & Rupr. | Stipa arabica Trin. & Rupr. | | | Stipa szovitziana Trin. & Rupr. | Stipa arabica Trin. & Rupr. | 35710 | 315844 |
| Stipa tenacissima Loefl. ex L. | Macrochloa tenacissima (Loefl. ex L.) Kunth | | | Stipa tenacissima Loefl. ex L. | Macrochloa tenacissima (Loefl. ex L.) Kunth | 35711 | 446538 |
| Stipa tenuis Phil. | Nassella tenuis (Phil.) Barkworth | | | Stipa tenuis Phil. | Nassella tenuis (Phil.) Barkworth | 35712 | 402093 |
| Stipa tenuissima Trin. | Nassella tenuissima (Trin.) Barkworth | | | Stipa tenuissima Trin. | Nassella tenuissima (Trin.) Barkworth | 35713 | 402094 |
| Stipa thurberiana Piper | Achnatherum thurberianum (Piper) Barkworth | | | Stipa thurberiana Piper | Achnatherum thurberianum (Piper) Barkworth | 35714 | 402281 |
| Stipa tortilis Desf. | Stipellula capensis (Thunb.) Röser & Hamasha | | | Stipa tortilis Desf. | Stipellula capensis (Thunb.) Röser & Hamasha | 35715 | 477755 |
| Stipa trichotoma Nees | Nassella trichotoma (Nees) Hack. ex Arechav. | | | Stipa trichotoma Nees | Nassella trichotoma (Nees) Hack. ex Arechav. | 35716 | 316386 |
| Stipa tucumana Parodi | Nassella tucumana (Parodi) Torres | | | Stipa tucumana Parodi | Nassella tucumana (Parodi) Torres | 35717 | 444568 |
| Stipa ucrainica P. A. Smirn. | | a | | Stipa ucrainica P. A. Smirn. | | 35718 | |
| Stipa verruculosa Mez | Piptochaetium verruculosum (Mez) Henrard | | | Stipa verruculosa Mez | Piptochaetium verruculosum (Mez) Henrard | 35719 | 28626 |
| Stipa viridula Trin. | Nassella viridula (Trin.) Barkworth | | | Stipa viridula Trin. | Nassella viridula (Trin.) Barkworth | 35720 | 402095 |
| Stipa pennata L. var. gallica Steven | Stipa pennata L. subsp. eriocaulis (Borbás) Martinovský & Skalický | | i | Stipa pennata L. var.gallica Steven | Stipa pennata L. subsp. eriocaulis (Borbás) Martinovský & Skalický | 70755 | 408765 |
| Stipa sareptana A. K. Becker | | a | | Stipa sareptana A. K. Becker | | 100475 | |
| Stipa scribneri Vasey | Achnatherum scribneri (Vasey) Barkworth | | | Stipa scribneri Vasey | Achnatherum scribneri (Vasey) Barkworth | 100553 | 402279 |
| Stipa araxensis Grossh. | | a | | Stipa araxensis Grossh. | | 103570 | |
| Stipa brachyphylla Hitchc. | Nassella brachyphylla (Hitchc.) Barkworth | | | Stipa brachyphylla Hitchc. | Nassella brachyphylla (Hitchc.) Barkworth | 103571 | 402077 |
| Stipa bungeana Trin. | | a | | Stipa bungeana Trin. | | 103572 | |
| Stipa capensis Thunb. | Stipellula capensis (Thunb.) Röser & Hamasha | | | Stipa capensis Thunb. | Stipellula capensis (Thunb.) Röser & Hamasha | 103573 | 477755 |
| Stipa caragana Trin. | Achnatherum caragana (Trin.) Nevski | | | Stipa caragana Trin. | Achnatherum caragana (Trin.) Nevski | 103574 | 317757 |
| Stipa zalesskii Wilensky ex Grossh. | | a | | Stipa zalesskii Wilensky ex Grossh. | | 105647 | |
| Stipa spp. | | a | | Stipa spp. | | 300587 | |
| Stipa nelsonii Scribn. | Achnatherum nelsonii (Scribn.) Barkworth subsp. nelsonii | | | Stipa nelsonii Scribn. | Achnatherum nelsonii (Scribn.) Barkworth subsp. nelsonii | 313888 | 402269 |
| Stipa nelsonii Scribn. subsp. nelsonii | Achnatherum nelsonii (Scribn.) Barkworth subsp. nelsonii | | i | Stipa nelsonii Scribn. subsp. nelsonii | Achnatherum nelsonii (Scribn.) Barkworth subsp. nelsonii | 313889 | 402269 |
| Stipa nelsonii Scribn. subsp. dorei Barkworth & J. Maze | Achnatherum nelsonii (Scribn.) Barkworth subsp. dorei (Barkworth & J. Maze) Barkworth | | i | Stipa nelsonii Scribn. subsp. dorei Barkworth & J. Maze | Achnatherum nelsonii (Scribn.) Barkworth subsp. dorei (Barkworth & J. Maze) Barkworth | 313890 | 402271 |
| Stipa curamalalensis Speg. | Nassella curamalalensis (Speg.) Barkworth | | | Stipa curamalalensis Speg. | Nassella curamalalensis (Speg.) Barkworth | 315840 | 402080 |
| Stipa robusta (Vasey) Scribn. | Achnatherum robustum (Vasey) Barkworth | | | Stipa robusta (Vasey) Scribn. | Achnatherum robustum (Vasey) Barkworth | 315841 | 402278 |
| Stipa viridula Trin. var. robusta Vasey | Achnatherum robustum (Vasey) Barkworth | | i | Stipa viridula Trin. var.robusta Vasey | Achnatherum robustum (Vasey) Barkworth | 315842 | 402278 |
| Stipa brandisii Mez | Achnatherum brandisii (Mez) Z. L. Wu | | | Stipa brandisii Mez | Achnatherum brandisii (Mez) Z. L. Wu | 315843 | 468001 |
| Stipa arabica Trin. & Rupr. | | a | | Stipa arabica Trin. & Rupr. | | 315844 | |
| Stipa inebrians Hance | Achnatherum inebrians (Hance) Keng | | | Stipa inebrians Hance | Achnatherum inebrians (Hance) Keng | 317756 | 317755 |
| Stipa mongholica Turcz. ex Trin. | Ptilagrostis mongholica (Turcz. ex Trin.) Griseb. subsp. mongholica | | | Stipa mongholica Turcz. ex Trin. | Ptilagrostis mongholica (Turcz. ex Trin.) Griseb. subsp. mongholica | 318241 | 412771 |
| Stipa spicata L. f. | Trachypogon spicatus (L. f.) Kuntze | | | Stipa spicata L. f. | Trachypogon spicatus (L. f.) Kuntze | 318276 | 36820 |
| Stipa tirsa Steven | | a | | Stipa tirsa Steven | | 319072 | |
| Stipa glareosa P. A. Smirn. | | a | | Stipa glareosa P. A. Smirn. | | 401972 | |
| Stipa caudata Trin. | Amelichloa caudata (Trin.) Arriaga & Barkworth | | | Stipa caudata Trin. | Amelichloa caudata (Trin.) Arriaga & Barkworth | 403690 | 451883 |
| Stipa pekinense Hance | Achnatherum pekinense (Hance) Ohwi | | | Stipa pekinense Hance | Achnatherum pekinense (Hance) Ohwi | 408099 | 408097 |
| Stipa aristella L. | Achnatherum bromoides (L.) P. Beauv. | | | Stipa aristella L. | Achnatherum bromoides (L.) P. Beauv. | 408759 | 317761 |
| Stipa holosericea Trin. & Rupr. subsp. holosericea | | a | i | Stipa holosericea Trin. & Rupr. subsp. holosericea | | 408760 | |
| Stipa holosericea Trin. & Rupr. subsp. fontanesii (Parl.) Tzvelev | | a | i | Stipa holosericea Trin. & Rupr. subsp. fontanesii (Parl.) Tzvelev | | 408761 | |
| Stipa pennata auct. nonn. | Stipa joannis Čelak. | | | Stipa pennata auct. nonn. | Stipa joannis Čelak. | 408762 | 35659 |
| Stipa eriocaulis Borbás | Stipa pennata L. subsp. eriocaulis (Borbás) Martinovský & Skalický | | | Stipa eriocaulis Borbás | Stipa pennata L. subsp. eriocaulis (Borbás) Martinovský & Skalický | 408763 | 408765 |
| Stipa pennata L. subsp. pennata | | a | i | Stipa pennata L. subsp. pennata | | 408764 | |
| Stipa pennata L. subsp. eriocaulis (Borbás) Martinovský & Skalický | | a | i | Stipa pennata L. subsp. eriocaulis (Borbás) Martinovský & Skalický | | 408765 | |
| Stipa pennata L. var. stenophylla Czern. ex Lindem. | Stipa tirsa Steven | | i | Stipa pennata L. var.stenophylla Czern. ex Lindem. | Stipa tirsa Steven | 408774 | 319072 |
| Stipa offneri Breistr. | | a | | Stipa offneri Breistr. | | 408784 | |
| Stipa caucasica Schmalh. subsp. caucasica | | a | i | Stipa caucasica Schmalh. subsp. caucasica | | 408790 | |
| Stipa caucasica Schmalh. subsp. desertorum (Roshev.) Tzvelev | | a | i | Stipa caucasica Schmalh. subsp. desertorum (Roshev.) Tzvelev | | 408791 | |
| Stipa desertorum (Roshev.) Ikonn. | Stipa caucasica Schmalh. subsp. desertorum (Roshev.) Tzvelev | | | Stipa desertorum (Roshev.) Ikonn. | Stipa caucasica Schmalh. subsp. desertorum (Roshev.) Tzvelev | 408794 | 408791 |
| Stipa membranacea L. | Vulpia membranacea (L.) Dumort. | | | Stipa membranacea L. | Vulpia membranacea (L.) Dumort. | 408827 | 408821 |
| Stipa porteri Rydb. | Ptilagrostis mongholica (Turcz. ex Trin.) Griseb. subsp. porteri (Rydb.) Barkworth | | | Stipa porteri Rydb. | Ptilagrostis mongholica (Turcz. ex Trin.) Griseb. subsp. porteri (Rydb.) Barkworth | 412770 | 412768 |
| Stipa avenacioides Nash | | a | | Stipa avenacioides Nash | | 412827 | |
| Stipa grandis P. A. Smirn. | | a | | Stipa grandis P. A. Smirn. | | 413668 | |
| Stipa krylovii Roshev. | | a | | Stipa krylovii Roshev. | | 413669 | |
| Stipa tuckeri F. Muell. | | a | | Stipa tuckeri F. Muell. | | 414997 | |
| Stipa brevipes É. Desv. | Amelichloa brevipes (É. Desv.) Arriaga & Barkworth | | | Stipa brevipes É. Desv. | Amelichloa brevipes (É. Desv.) Arriaga & Barkworth | 418229 | 452840 |
| Stipa vaseyi Scribn. | Achnatherum robustum (Vasey) Barkworth | | | Stipa vaseyi Scribn. | Achnatherum robustum (Vasey) Barkworth | 418498 | 402278 |
| Stipa duthiei Hook. f. | Achnatherum duthiei (Hook. f.) P. C. Kuo & S. L. Lu | | | Stipa duthiei Hook. f. | Achnatherum duthiei (Hook. f.) P. C. Kuo & S. L. Lu | 418745 | 418744 |
| Stipa aliena Keng | | a | | Stipa aliena Keng | | 418801 | |
| Stipa capillacea Keng | | a | | Stipa capillacea Keng | | 418802 | |
| Stipa przewalskyi Roshev. | | a | | Stipa przewalskyi Roshev. | | 418803 | |
| Stipa roborowskyi Roshev. | | a | | Stipa roborowskyi Roshev. | | 418804 | |
| Stipa pubiflora (Trin. & Rupr.) Muñoz-Schick | Nassella pubiflora (Trin. & Rupr.) É. Desv. | | | Stipa pubiflora (Trin. & Rupr.) Muñoz-Schick | Nassella pubiflora (Trin. & Rupr.) É. Desv. | 444572 | 103503 |
| Stipa philippii Steud. | Nassella philippii (Steud.) Barkworth | | | Stipa philippii Steud. | Nassella philippii (Steud.) Barkworth | 444577 | 444576 |
| Stipa eriostachya Kunth | | a | | Stipa eriostachya Kunth | | 444580 | |
| Stipa mucronata Kunth | Nassella mucronata (Kunth) R. W. Pohl | | | Stipa mucronata Kunth | Nassella mucronata (Kunth) R. W. Pohl | 444585 | 444584 |
| Stipa coronata Thurb. var. depauperata (M. E. Jones) Hitchc. | Achnatherum parishii (Vasey) Barkworth subsp. depauperatum (M. E. Jones) Barkworth | | i | Stipa coronata Thurb. var.depauperata (M. E. Jones) Hitchc. | Achnatherum parishii (Vasey) Barkworth subsp. depauperatum (M. E. Jones) Barkworth | 448029 | 474563 |
| Stipa clandestina Hack. | Amelichloa clandestina (Hack.) Arriaga & Barkworth | | | Stipa clandestina Hack. | Amelichloa clandestina (Hack.) Arriaga & Barkworth | 451675 | 451884 |
| Stipa sericea Michx. | Muhlenbergia sericea (Michx.) P. M. Peterson | | | Stipa sericea Michx. | Muhlenbergia sericea (Michx.) P. M. Peterson | 455161 | 455160 |
| Stipa lepida Hitchc. | Nassella lepida (Hitchc.) Barkworth | | | Stipa lepida Hitchc. | Nassella lepida (Hitchc.) Barkworth | 465917 | 465916 |
| Stipa capillaris Lam. | Muhlenbergia capillaris (Lam.) Trin. | | | Stipa capillaris Lam. | Muhlenbergia capillaris (Lam.) Trin. | 465938 | 465937 |
| Stipa parishii Vasey var. depauperata M. E. Jones | Achnatherum parishii (Vasey) Barkworth subsp. depauperatum (M. E. Jones) Barkworth | | i | Stipa parishii Vasey var.depauperata M. E. Jones | Achnatherum parishii (Vasey) Barkworth subsp. depauperatum (M. E. Jones) Barkworth | 474564 | 474563 |
| Stipa parishii Vasey | Achnatherum parishii (Vasey) Barkworth subsp. parishii | | | Stipa parishii Vasey | Achnatherum parishii (Vasey) Barkworth subsp. parishii | 474565 | 474562 |
| Stipa flavescens Labill. | Austrostipa flavescens (Labill.) S. W. L. Jacobs & J. Everett | | | Stipa flavescens Labill. | Austrostipa flavescens (Labill.) S. W. L. Jacobs & J. Everett | 477361 | 477083 |
| Stipa mollis R. Br. | Austrostipa mollis (R. Br.) S. W. L. Jacobs & J. Everett | | | Stipa mollis R. Br. | Austrostipa mollis (R. Br.) S. W. L. Jacobs & J. Everett | 477362 | 477339 |
| Stipa nodosa S. T. Blake | Austrostipa nodosa (S. T. Blake) S. W. L. Jacobs & J. Everett | | | Stipa nodosa S. T. Blake | Austrostipa nodosa (S. T. Blake) S. W. L. Jacobs & J. Everett | 477363 | 477086 |
| Stipa stipoides (Hook. f.) Veldkamp | Austrostipa stipoides (Hook. f.) S. W. L. Jacobs & J. Everett | | | Stipa stipoides (Hook. f.) Veldkamp | Austrostipa stipoides (Hook. f.) S. W. L. Jacobs & J. Everett | 477411 | 477091 |
| Stipa retorta Cav. | Stipellula capensis (Thunb.) Röser & Hamasha | | | Stipa retorta Cav. | Stipellula capensis (Thunb.) Röser & Hamasha | 477754 | 477755 |
| Stipa exigua (Thurb.) Columbus & J. P. Sm. | Piptatheropsis exigua (Thurb.) Romasch. et al. | | | Stipa exigua (Thurb.) Columbus & J. P. Sm. | Piptatheropsis exigua (Thurb.) Romasch. et al. | 477758 | 477759 |
| Stipa macounii Scribn. | Piptatheropsis canadensis (Poir.) Romasch. et al. | | | Stipa macounii Scribn. | Piptatheropsis canadensis (Poir.) Romasch. et al. | 477763 | 477760 |
| Stipa juncea Michx. | Piptatheropsis canadensis (Poir.) Romasch. et al. | | | Stipa juncea Michx. | Piptatheropsis canadensis (Poir.) Romasch. et al. | 477764 | 477760 |
| Stipa canadensis Poir. | Piptatheropsis canadensis (Poir.) Romasch. et al. | | | Stipa canadensis Poir. | Piptatheropsis canadensis (Poir.) Romasch. et al. | 477765 | 477760 |
| Stipa arida M. E. Jones | Achnatherum aridum (M. E. Jones) Barkworth | | | Stipa arida M. E. Jones | Achnatherum aridum (M. E. Jones) Barkworth | 480888 | 462830 |
| Stipa lemmonii (Vasey) Scribn. var. pubescens Crampton | Achnatherum lemmonii (Vasey) Barkworth subsp. pubescens (Crampton) Barkworth | | i | Stipa lemmonii (Vasey) Scribn. var.pubescens Crampton | Achnatherum lemmonii (Vasey) Barkworth subsp. pubescens (Crampton) Barkworth | 480889 | 465165 |
| Stipa lemmonii (Vasey) Scribn. var. lemmonii | Achnatherum lemmonii (Vasey) Barkworth | | i | Stipa lemmonii (Vasey) Scribn. var.lemmonii | Achnatherum lemmonii (Vasey) Barkworth | 480890 | 402267 |
| Stipa campylachne Nees | Austrostipa campylachne (Nees) S. W. L. Jacobs & J. Everett | | | Stipa campylachne Nees | Austrostipa campylachne (Nees) S. W. L. Jacobs & J. Everett | 481000 | 480999 |
| Stipa stillmanii Bol. | Achnatherum stillmanii (Bol.) Barkworth | | | Stipa stillmanii Bol. | Achnatherum stillmanii (Bol.) Barkworth | 482181 | 482180 |
| Stipa ovata Trin. | Piptochaetium ovatum (Trin.) É. Desv. | | | Stipa ovata Trin. | Piptochaetium ovatum (Trin.) É. Desv. | 483096 | 483097 |
| Stipa coronata Thurb. var. coronata | Achnatherum coronatum (Thurb.) Barkworth | | i | Stipa coronata Thurb. var.coronata | Achnatherum coronatum (Thurb.) Barkworth | 484278 | 484277 |
| Stipa coronata Thurb. | Achnatherum coronatum (Thurb.) Barkworth | | | Stipa coronata Thurb. | Achnatherum coronatum (Thurb.) Barkworth | 484279 | 484277 |