| Hierochloe borealis Roem. & Schult. | Anthoxanthum nitens (Weber) Y. Schouten & Veldkamp | | | Hierochloe borealis Roem. & Schult. | Anthoxanthum nitens (Weber) Y. Schouten & Veldkamp | 19120 | 452388 |
| Hierochloe flexuosa Hook. f. | Anthoxanthum flexuosum (Hook. f.) Veldkamp | | | Hierochloe flexuosa Hook. f. | Anthoxanthum flexuosum (Hook. f.) Veldkamp | 19121 | 452394 |
| Hierochloe fraseri Hook. f. | | a | | Hierochloe fraseri Hook. f. | | 19122 | |
| Hierochloe glabra Trin. | Anthoxanthum glabrum (Trin.) Veldkamp | | | Hierochloe glabra Trin. | Anthoxanthum glabrum (Trin.) Veldkamp | 19123 | 452395 |
| Hierochloe odorata (L.) P. Beauv. | Anthoxanthum nitens (Weber) Y. Schouten & Veldkamp | | | Hierochloe odorata (L.) P. Beauv. | Anthoxanthum nitens (Weber) Y. Schouten & Veldkamp | 19124 | 452388 |
| Hierochloe redolens (Vahl) Roem. & Schult. | Anthoxanthum redolens (Vahl) P. Royen | | | Hierochloe redolens (Vahl) Roem. & Schult. | Anthoxanthum redolens (Vahl) P. Royen | 19125 | 452396 |
| Hierochloe alpina (Sw. ex Willd.) Roem. & Schult. | Anthoxanthum monticola (Bigelow) Veldkamp subsp. alpinum (Sw. ex Willd.) Soreng | | | Hierochloe alpina (Sw. ex Willd.) Roem. & Schult. | Anthoxanthum monticola (Bigelow) Veldkamp subsp. alpinum (Sw. ex Willd.) Soreng | 452165 | 465380 |
| Hierochloe occidentalis Buckley | Anthoxanthum occidentale (Buckley) Veldkamp | | | Hierochloe occidentalis Buckley | Anthoxanthum occidentale (Buckley) Veldkamp | 453504 | 453502 |
| Hierochloe hirta (Schrank) Borbás | Anthoxanthum hirtum (Schrank) Y. Schouten & Veldkamp | | | Hierochloe hirta (Schrank) Borbás | Anthoxanthum hirtum (Schrank) Y. Schouten & Veldkamp | 468320 | 468319 |
| Hierochloe hirta (Schrank) Borbás subsp. arctica (J. Presl) G. Weim. | Anthoxanthum hirtum (Schrank) Y. Schouten & Veldkamp | | i | Hierochloe hirta (Schrank) Borbás subsp. arctica (J. Presl) G. Weim. | Anthoxanthum hirtum (Schrank) Y. Schouten & Veldkamp | 468322 | 468319 |
| Hierochloe arctica J. Presl | Anthoxanthum hirtum (Schrank) Y. Schouten & Veldkamp | | | Hierochloe arctica J. Presl | Anthoxanthum hirtum (Schrank) Y. Schouten & Veldkamp | 468324 | 468319 |
| Hierochloe repens (Host) Simonk. | Anthoxanthum repens (Host) Veldkamp | | | Hierochloe repens (Host) Simonk. | Anthoxanthum repens (Host) Veldkamp | 468711 | 476644 |