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Poaceae, also known as the true grasses, is the fourth largest plant family in the world with around 12,000 species and roughly 800 genera. [1] [2] They contain, among others, the cereal crop species and other plants of economic importance, such as the bamboos, and several important weeds.
Bromus is a large genus of grasses, classified in its own tribe Bromeae. [2] [3] They are commonly known as bromes, brome grasses, cheat grasses or chess grasses.Estimates in the scientific literature of the number of species have ranged from 100 to 400, but plant taxonomists currently recognize around 160–170 species.
The grass is medium to light green in color and has a coarse texture with short upright seedhead stems that grow to about 3-5 inches. Native to Southern China, it was introduced to the United States in 1916 [1] and has since become one of the common grasses in the Southeastern United States and Hawaii. It can also be considered a weed. [2]
It includes the cereal grasses, bamboos, the grasses of natural grassland and species cultivated in lawns and pasture. The latter are commonly referred to collectively as grass. With around 780 genera and around 12,000 species, [4] the Poaceae is the fifth-largest plant family, following the Asteraceae, Orchidaceae, Fabaceae and Rubiaceae. [5]
Axonopus is a genus of plants in the grass family, known generally as carpet grass. [6] They are native primarily to the tropical and subtropical regions of the Americas with one species in tropical Africa and another on Easter Island. [6] [4] They are sometimes rhizomatous and many are tolerant of periodic submersion.
The first step to removing weeds from your lawn and garden is identification. Learn about 20 common types of weeds and how to treat them.
The concept of weeds also overlaps with the concept of invasive species, both in the sense that human activities tend to introduce weeds outside their native range, and that an introduced species may be considered a weed. Many weed species have moved out of their natural geographic ranges and spread around the world in tandem with human ...
Parthenium hysterophorus is a species of flowering plant in the family Asteraceae. It is native to the American tropics. [1] 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]