Picão-bravo

Galinsoga parviflora - em todos os canteiros livres

Galinsoga - Weeds, ironically and punningly named Gallant Soldier in England, commemorating Mariano Martinez Galinsoga, 18th-century Spanish doctor in Madrid, whose botanical accomplishments match the smallness of their flowers.

parviflora - with small flowers

William T. Stearn's Dictionary of Plant Names for Gardeners (1996)