1. Spikelets (at least larger ones) 4–5.5 mm long, 1.4–1.8 mm wide, mostly overlapping about the basal half of the next above; panicle branches 2–3 (–4) at (or near) the lowermost node of inflorescence.
1. Spikelets 3–4 mm long, 0.8–1.3 (–1.5) mm wide, the tip of one barely overlapping the base of the next above; panicle branches solitary at all nodes of inflorescence.
All species found in Leersia
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. December 18, 2017. http://www.michiganflora.net/genus.aspx?id=Leersia.