Panicum virgatum L.

Switch Grass

Natural range:  Canada to Mesoamerica, also (possibly adventive) South America

Habitat:  In our area, common in pinewoods, shores, wood edges,  and disturbed sites ranging from wet to mesic

Florida status:  Native, common

Recognition:  Large species (to 2 m tall) with large, showy, open panicle.  Lower glume distinctively long (1.8 mm).

Similar to some Urochloa maxima, but this with rugose (vs. smooth) fertile lemma.