Abstract: Background: A Hydrocotyle bonariensis Lam. (Araliaceae) is a perennial species popularly known in Brazil as captain’s herb and in the United States as pennywort or dollarweed. It is distributed in the Brazilian territory, with ease of adaptation to varied climates, infesting lawns, gardens and unoccupied areas. Objective: Evaluate the performance of herbicides with different mechanisms of action in the control of weed biotypes from residential lawns of the carpet grass (Axonopus compressus), in six neighborhoods of the Guarapuava, Paraná […]