亚属2．断轴亚属——Subgen. Psilantha (C. Koch) Tzvel.
Subgen. Psilantha (C. Koch) Tzvel. CCCP, 1:348. 1974: Tzvel. in Fed. Poac. URSS 635. 1976. ——Poa D. Psilantha C. Koch, Linnaea 21:405. 1848. ——Boriskellera Terekhov, Delect. Sem. Hort. Bot. Kujbyshev.: 13. 1938. ——Eragrostis sect. Psilantha (C. Koch) Tzvel. 50(11): 1634. 1965. ——Psilantha (C. Koch) Tzvel. l. c. 53 (3):311. 1965.[1]
小穗轴在小穗成熟后于诸小花之间逐节断落。多年生草本，常具短地下茎。[1]
戈壁画眉草 E. collina Trin．[1]
高画眉草 Eragrostis alta Keng
纤毛画眉草 Eragrostis ciliata (Roxb.) Nees
乱草 Eragrostis japonica (Thunb.) Trin.
鲫鱼草 Eragrostis tenella (L.) Beauv. ex Roem. et Schult.[1]