Coridochloa
 C. cimicina (L.) Nees ex Jacks.


Ctenium
 C. aromaticum (Walt.) Wood Toothache Grass
 Campulosus aromaticus
 C. floridanum (Hitchc.) Hitchc.
 Campulosus floridanus

Cynodon
 C. dactylon (L.) Pers. Bermuda Grass
 Capriola Dactylon

Dactylis
 D. glomerata L. Orchard Grass

Dactyloctenium
 D. aegyptium (L.) Beauv. Crowfoot Grass

Danthonia
 D. sericea Nutt.
 D. spicata (L.) Beauv. ex Roem. & Schult.
 Poverty Grass

Digitaria Crabgrasses
 D. albicoma Swallen
 D. decumbens Stent
 D. diversiflora Swallen
 D. dolichophylla Henr.
 Syntherisma paniceum
 D. filiformis (L.) Koel. Slender Crabgrass
 Syntherisma filiforme
 D. floridana Hitchc.
 Syntherisma floridanum
 D. gracillima (Scribn.) Fern.
 Syntherisma gracillimum
 D. horizontalis Willd.
 Syntherisma digitatum
 D. longiflora (Retz.) Pers.
 D. pauciflora Hitchc.
 Syntherisma pauciflorum
 D. saguinalis (L.) Scop. Large Crabgrass
 Syntherisma sanguinale
 D. serotina (Walt.) Michx.
 Syntherisma serotinum