A Taxomomic Studies on Grasses in Lowland areas of Central Thailand

Grasses are very important as the major cereal plant in the world because they have been used to produce severs product. However many species of grass are dangerous because they might rapidly spread and cover a large area and become hazardous noxious weeds. Grass can be grown anywhere from the North to the South Pole or from the elevation the mountain summit to near sea level. The grass family covers about 20% of the global vegetation and it is the highest family in evolutionary lines of the monocotyledon. Most of the areas of Central Thailand are lowland and paddy fields. Grasses have widespread all over and weeds are also dominant.