Genus Bidens

Species in the genus Bidens of plants

Koko'olau

Viper beggarticks - Its natural habitat is lowland moist forests. It is threatened by habitat loss due to the spread of invasive weeds and brushfires.

Bog beggarticks - Its natural habitat are wet forests and bogs. It is threatened by habitat loss due to the spread of invasive weeds and brushfires.

Cosmosflower beggarticks - Unlike its smaller relatives, collectively called koko?olau or ko?oko?olau in the Hawaiian language, B. cosmoides is so conspicuous and distinct that it was given a distinct name by the locals: po?ola nui . This refers to the fact that the leaves and habitus of B. cosmoides somewhat resemble the po?ola but unlike that plant, po?ola nui bears spectacular yellow flowers.

Bidens mannii

Molokai beggarticks - It inhabits low shrublands and rocky shores. It is threatened by habitat loss due to the spread of invasive weeds, overgrazing, and brushfires.

Oahu beggarticks - Its natural habitat are montane tropical moist forests, tropical moist shrubland, and rocky areas. It is threatened by habitat loss due to the spread of invasive weeds and overgrazing.

Bidens simplicifolia

Wiebke's beggarticks - This is a perennial herb growing erect to a maximum height near one meter. It has compound leaves divided into leaflets and bears clusters of flower heads with yellow ray florets. Its natural habitat types include lowland moist forests and moist shrubland.