Similar to Festuca and only marginally distinct, but now customarily held at generic rank; most spp. annual and cleistogamous or nearly so, with most commonly only one, less often 2, rarely 3 anthers, these small, to ca 1.5 mm; grain linear- cylindric, tapering to both ends. 25, widespread, but especially Mediterranean.
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.