Baccharis salicifolia is a blooming shrub native to the desert southwest of the United States and northern Mexico, as well as parts of South America. Its usual common name is mule fat; it is also called seepwillow or water-wally. This is a large bush with sticky foliage which bears plentiful small, fuzzy, pink or red-tinged white flowers which are highly attractive to butterflies. The long pointed leaves may be toothed. It is most common near water sources.