Lasiacis nigra Davidse Lasiacis nigra Davidse in Phytologia 29(2): 152. 1974 sec. Dávila & al. 2018=Panicum divaricatum var. molle Schltdl. & Cham. in Linnaea 6(1): 33. 1831 syn. sec. Dávila & al. 2006