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Bromus tectorum is a winter annual grass native to Eurasia usually germinating in autumn, overwintering as a seedling, then flowering in the spring or early summer. [9] B. tectorum may be mistaken for a bunchgrass because it may send up shoots that give it the appearance of having a rosette . [ 10 ]
On the North American plains, prairies, grasslands, and meadows at least 11% of grasses are non-native. [2] North America is considered a hotspot for many invasive species of grasses, which threatens all of the endangered native grass species and potentially threatens other grass species. Conservation tactics and management policies can help ...
In Hawaii, it is a weed of sugarcane (Saccharum officinarum). [3] [5] In other areas, it can be found in turf and orchards. [5] In the Florida turfgrass industry, it is the second-worst weed known. [9] The grass can grow in a variety of habitats, but it does not tolerate cold and it is rarely found above subtropical latitudes or at altitude. [6]
Common names include Santa-Maria, [2] Santa Maria feverfew, [3] whitetop weed, [4] and famine weed. [5] In India, it is locally known as carrot grass, congress grass [6] or gajar ghas or dhanura. [7] It is a common invasive species [8] in India, [9] Australia, and parts of Africa. [5] Pollen grains of Parthenium hysterophorus
Panicum effusum, commonly known as hairy panic, is a grass native to inland Australia. [2] It occurs in every mainland state, [ 3 ] as well as New Guinea. In dry conditions, the fast-growing grass can become a tumbleweed .
Andropogon virginicus is referred to as whiskey grass in places where this weed is unwanted. This species often invades open woodlands, grasslands, and forests areas. [ 10 ] Where it is invasive, A. virginicus is known to invade plant communities that are extremely deficient in nutrients.
Ehrharta erecta is a species of grass commonly known as panic veldtgrass.The species is native to Southern Africa and Yemen.It is a documented invasive species in the United States, [1] New Zealand, Australia, southern Europe and China.
Panicum capillare, known by the common name witchgrass, [1] is a species of grass. It is a native plant to most of North America from the East Coast through all of the West Coast and California. It can be found as an introduced species in Eurasia, and as a weed in gardens and landscaped areas. [2] It grows in many types of habitat.