sentences:  There is no biological control method for plants of genus "Gaura", and removing existing infestations is difficult, due in large part to the plants' ability to reproduce from bits of rhizome left in the ground.Despite the poor reputation of plants of this genus, some species are cultivated as garden plants, such as "G. lindheimeri" (White Gaura).In 2007, Warren L. Wagner, Peter C. Hoch, and Peter H. Raven published a "Revised Classification of the Onagraceae", which moved the bulk of the "Gaura" taxa into genus Oenothera sect.