Cynodon dactylon

Cynodon dactylon, commonly known as Bermuda grass or as couch grass in Australia and New Zealand, is a grass found worldwide. It is native to Europe, Africa, Australia, and much of Asia and has been introduced to the Americas. Contrary to its common name, Cynodon dactylon is not native to Bermuda but is an abundant invasive species there. In Bermuda, it has been known as crabgrass (also a name for Digitaria sanguinalis). Other names include dhoob, dūrvā grass, ethana grass, dubo, dog grass, dog's tooth grass, Bahama grass, devil's grass, couch grass, Indian doab, arugampul, grama, wiregrass, and scutch grass. Hybrid species of the grass are taxonomically known as Cynodon dactylon × transvaalensis. These interspecific hybrids are the result of cross-pollination between different cultivars. Hybrid cultivars of the grass are commonly developed by selecting individual plants with desirable traits from seeded or vegetatively propagated stands. These cultivars are typically triploids, meanin......read more on Wikipedia.