Cynodon dactylon (L.) Pers.

Cynodon dactylon (L.) Pers. Syn. PI. 1: 85. 1805
Panicum Dactylon L. Sp. PI. 58. 1753. (Type from Southern Europe.) Digitaria Dactylon Scop. Fl. Cam. ed. 2. 1: 53. 1772. (Based on Panicum Dactylon L.) Daclilon officinale Vill. Hist. PI. Dauph. 2: 69. 1787. (Based on Panicum Dactylon L.) ^Cynosurus unijlorus Walt. Fl. Car. 82. 1788. (Type from South Carolina.) Paspalum Dactylon Lam. Tab. Encyc. 1: 176. 1791. (Based on Panicum Dactylon I,.) Digitaria littoralis Salisb. Prodr. 19. 1796. (Based on Panicum Dactylon L.) Milium Dactylon Moench, Meth. Suppl. 67. 1802. (Based on Panicum Dactylon L.) Fibichia umbellata Koeler, Descr. Gram. 308. 1802. (Based on Panicum Dactylon L.) Digitaria stolonifera Schrad. Fl. Germ. 1: 165. 1806. (Based on Panicum Dactylon L.) Cynodon maritimus H.B.K. Nov. Gen. & Sp. 1: 170. 1816. (Type from Peru, Humboldt &* Bonpland.) Cynodon tenuis Trin. in Spreng. Neue Entdeck. 2: 63. 1821. (Type from North America.) Ckloris cynodon Trin. Gram. Unifl. 229. 1824. (Based on Cynodon Dactylon Pers.) Digitaria maritima Spreng. Syst. I: 272. 1825. (Based on Cynodon maritimus H.B.K.) Cynodon erectus Presl, Rel. Haenk. 1: 290. 1830. (Type from Mexico, Haenke.) Capriola Dactylon Kuntze, Rev. Gen. PI. 2: 764. 1891. (Based on Panicum Dactylon L.) Fibichia Dactylon G. Beck, Wiss. Mitt. Bosn. Herzeg. 9: 436. 1904. (Based on Panicum Dactylon
L.) Cynodon Dactylon var. maritimus Hack, in R. E. Fries, Ark. Bot. 88; 40. 1909. (Based on C
maritimus H.B.K.) Capriola Dactylon maritima Hitchc. Bull. U. S. Dep. Agr. 772: 179. 1920. (Based on Cynodon marititnus H.B.K.)
Rhizomatous, stoloniferous, widely creeping; culms wiry, compressed, 10-40 cm. tall; sheaths usually overlapping, keeled, glabrous or sparsely pilose at the throat ; ligule membranaceous, minutely erose, 0.2-0.3 mm. long; blades flat, 2-20 cm. long (usually 5-10 cm.), 2-4 mm. wide, scabrous, especially on the margins, sometimes sparsely pilose; spikes 4-7, slender, arcuate, 2-7 cm. long; spikelets 2-3 mm. long.
Type locality: Europe.
Distribution: A common weed in open ground throughout the warmer regions of the world.