| 40490 | Tripsacum fasciculatum Trin. ex Asch. | Tripsacum laxum Nash | 40494 | | | Tripsacum fasciculatum Trin. ex Asch. | Tripsacum laxum Nash |
| 40492 | Tripsacum lanceolatum Rupr. ex E. Fourn. | | | a | | Tripsacum lanceolatum Rupr. ex E. Fourn. | |
| 40494 | Tripsacum laxum Nash | | | a | | Tripsacum laxum Nash | |
| 319452 | Tripsacum jalapense de Wet & Brink | | | a | | Tripsacum jalapense de Wet & Brink | |
| 319462 | Tripsacum maizar Hern.-Xol. & Randolph | | | a | | Tripsacum maizar Hern.-Xol. & Randolph | |
| 319463 | Tripsacum pilosum Scribn. & Merr. | | | a | | Tripsacum pilosum Scribn. & Merr. | |
| 319464 | Tripsacum pilosum Scribn. & Merr. var. pilosum | | | a | i | Tripsacum pilosum Scribn. & Merr. var.pilosum | |
| 319465 | Tripsacum pilosum Scribn. & Merr. var. guatemalense de Wet & Brink | | | a | i | Tripsacum pilosum Scribn. & Merr. var.guatemalense de Wet & Brink | |