complanata Torr. & Hook.
crebriflora Wieg.
crus-corvi Shuttlew. in Kunze
dasycarpa Muhl.
debilis Michx.
decomposita Muhl.
digitalis Willd.
elliottii Schwein. & Torr.
festucacea Schkuhr in Willd.
fissa Mackenz.
flaccosperma Dewey
floridana Schwein.
folliculata L.
 C. Smalliana
frankii Kunth
gigantea Rudge
glaucescens Ell.
granularis Muhl. in Willd.
grisea Wahlenb.
gynandra Schwein.
howei Mackenz.
hyalinolepis Steud.
incomperta Bickn.
intumescens Rudge
joorii Bailey
laevivaginata (Kiik.) Mackenz. in Britt. & Brown
laxiflora Lam.
 C. heterosperma
 leavenworthii Dewey
 leptalea Wahlenb.
 longii Mackenz.
 louisianica Bailey
 lupulina Muhl. in Willd.
 lupuliniformis Sartw. in Dewey
 lurida Wahlenb.
 magnifolia Mackenz. in Small
 mitchelliana Curtis
 mohriana Mackenz.
 muhlenbergii Schkuhr
 nigromarginata Schwein.
 oligocarpa Schkuhr in Willd.
 oxylepis Torr. & Hook
 reniformis (Bailey) Small
 retroflexa Muhl. in Willd.