Sur une accumulation de gazon tondu dans un bois feuillu près d'une piste cyclable
Low-growing patch of tiny flowers. The yellow center of each flower appears to be made up of even smaller, individual flowers.
Herbaceous aster with tiny white petals with teeth on the outer margin and lance-ovate leaves.
may be ハキダメギク.
North american weed.
Galinsoga quadriradiata is a species of flowering plant in the daisy family which is known by several common names, including shaggy soldier, hairy galinsoga, and fringed quickweed. It is found throughout most of the temperate world, but apparently its native home is Mexico. In Portuguese-speaking countries where it is widely naturalized - e.g. in Brazil - it is known as botão-de-ouro. As an agricultural weed it can reduce crop yields by up to 50%.