Rufous grasshopper of "G. rufus" through the use of feces as a source of DNA. It has been documented to eat plants of the genus "Bromus", the species "Holcus lanatus", and the subfamily Pooideae, all within the family Poaceae. Poaceae is a family of flowering monocots whose members are referred to as true grasses. Pooideae includes lawn grasses and cereals such as wheat and barley. "Bromus" is composed of grasses called brome grasses or cheat grasses. "Holcus lanatus", more commonly known as Yorkshire fog or velvet grass, is a species of perennial pasture grass noted for its hairy texture. The rufous grasshopper
Lists of organisms by population 400 billion trees on our globe. However, more recently, in 2015, using better methods, the global tree count has been estimated at about 3 trillion. Other studies show that the Amazonian forest alone yields approximately 430 billion trees. Extrapolations from data compiled over a period of 10 years suggest that greater Amazonia, which includes the Amazon Basin and the Guiana Shield, harbors around 390 billion individual trees. Lists of organisms by population This is a collection of lists of organisms by their population. While most of the numbers are estimates, they have been made by the experts in their fields.