Polygonum brasiliense K.Koch Polygonum californicum Meisn. Polygonum cascadense W.H.Baker Polygonum caspicum Kom. Polygonum ciliinode Michx. – fringed black...

Polygonum cascadense is a species of flowering plant in the buckwheat family known by the common name Cascade knotweed. It has been found only in the State...

pollination but they have been shown to perform this function in Polygonum cascadense and in certain desert plants with small blossoms near the ground...