40147 | Tridens albescens (Vasey) Wooton & Standl. | | | a | | Tridens albescens (Vasey) Wooton & Standl. | |
40148 | Tridens brasiliensis (Steud.) Nees ex Parodi | | | a | | Tridens brasiliensis (Steud.) Nees ex Parodi | |
40149 | Tridens eragrostoides (Vasey & Scribn.) Nash | Triplasiella eragrostoides (Vasey & Scribn.) P. M. Peterson & Romasch. | 478323 | | | Tridens eragrostoides (Vasey & Scribn.) Nash | Triplasiella eragrostoides (Vasey & Scribn.) P. M. Peterson & Romasch. |
40150 | Tridens flavus (L.) Hitchc. | | | a | | Tridens flavus (L.) Hitchc. | |
40151 | Tridens hackelii (Arechav.) Parodi | | | a | | Tridens hackelii (Arechav.) Parodi | |
40153 | Tridens muticus (Torr.) Nash | Tridentopsis mutica (Torr.) P. M. Peterson | 477806 | | | Tridens muticus (Torr.) Nash | Tridentopsis mutica (Torr.) P. M. Peterson |
40155 | Tridens strictus (Nutt.) Nash | | | a | | Tridens strictus (Nutt.) Nash | |
316853 | Tridens muticus (Torr.) Nash var. elongatus (Buckley) Shinners | Tridentopsis mutica (Torr.) P. M. Peterson var. elongata (Buckley) P. M. Peterson & Romasch. | 478322 | | i | Tridens muticus (Torr.) Nash var.elongatus (Buckley) Shinners | Tridentopsis mutica (Torr.) P. M. Peterson var.elongata (Buckley) P. M. Peterson & Romasch. |
317117 | Tridens spp. | | | a | | Tridens spp. | |
317261 | Tridens elongatus (Buckley) Nash | Tridentopsis mutica (Torr.) P. M. Peterson var. elongata (Buckley) P. M. Peterson & Romasch. | 478322 | | | Tridens elongatus (Buckley) Nash | Tridentopsis mutica (Torr.) P. M. Peterson var.elongata (Buckley) P. M. Peterson & Romasch. |
417124 | Tridens muticus (Torr.) Nash var. muticus | Tridentopsis mutica (Torr.) P. M. Peterson var. mutica | 486888 | | i | Tridens muticus (Torr.) Nash var.muticus | Tridentopsis mutica (Torr.) P. M. Peterson var.mutica |
454216 | Tridens pilosus (Buckley) Hitchc. | Erioneuron pilosum (Buckley) Nash | 454214 | | | Tridens pilosus (Buckley) Hitchc. | Erioneuron pilosum (Buckley) Nash |