The 10 Cutest Grass Pokmon, Ranked Ctenanthe oppenheimiana 'Tricolour' Avant Gardens Wild Flora Congress grass (Parthenium hysterophorusa) is an agricultural waste crop, a perennial weed grass commonly called as carrot grass, chatak chandni etc. Congress grass is one of the ten feared 4,123 Book Plant Knowledge Stock Photos, High Res Pictures, and Images Getty Images Key book Cell wall Description, Properties, Components, & Communication Britannica