1. Larger leaves with blades 1.5-3.5 mm wide and ligule 2.5-6.5 mm long; anthers 0.3-0.5 (-0.6) mm long; larger lemmas ca. 2.1-2.5 mm long.

T. fernaldii

1. Larger leaves with blade (4-) 5-10 mm wide and ligule 5-9 mm long; anthers (0.8-) 1.1-1.5 (-1.7) mm long; larger lemmas 2.7-3.5 mm long.

T. pallida