Gamochaeta cabrerae, G. simplicicaulis, and G. subfalcata are newly reported for Ecuador, and the presence of G. humilis is confirmed. Four species have been previously recorded: G. americana, G. pensylvanica, G. purpurea, and G. sphacelata. These new records of Gamochaeta are described, illustrated and their distributional maps are presented. A key to the Ecuadorian species of Gamochaeta is provided.