Deyeuxia debilis

Paszko, Beata, Chen, Wen-Li & Szczepaniak, Magdalena, 2013, Deyeuxia debilis (Poaceae, Agrostidinae): typification, taxonomy and update of the Chinese distribution, Phytotaxa 135 (1), pp. 1-10 : 6

Key to Deyeuxia debilis , D. gaoligongensis and D. moupinensis

1. Leaf-blade adaxial surface with low ribs, almost flat, smooth; ratio of palea to lemma length 0.6–0.7; anthers 0.9– 1.9 mm long ........................................................................................................................................... D. moupinensis

- Leaf-blade adaxial surface with distinct ribs, with intercostal depressions, scabrous; ratio of palea to lemma length 0.70–0.95; anthers 0.4–0.9 mm long............................................................................................................................ 2

2. Awn of lemma straight, inserted above the middle......................................................................................... D. debilis

- Awn of lemma geniculate and twisted at the base, inserted below the middle ................................ D. gaoligongensis