black-eyed Susan (Rudbeckia hirta)

Rudbeckia hirta is a species in the Rudbeckia genus. It is commonly known as black-eyed Susan This name is accepted name for the species in the family Asteraceae subfamily Asteroideae, tribe Heliantheae, subtribe Rudbeckiinae, . . This species is found in Eastern and Central North America and naturalized in the Western part of the continent as well as in China.