Salix nigra bark of the tree contains salicylic acid, a chemical compound similar to aspirin (acetylsalicylic acid). It may also be used as an environmental restorative. Swamp trees in general are, by necessity, good at surviving and thriving in areas where highly mobile environmental toxins are present. Black Willow is very resistant to herbivory and flooding and is also a fantastic erosion control tool. Thus, it is useful for any sort of marshland stabilization or restorative as long as the roots don’t penetrate any clay liner that may be in place. In a relatively extensive phytoremediation study, "Salix nigra" demonstrated some success
Asa C. Matthews as collector of the United States Internal Revenue. In 1889, President Benjamin Harrison appointed Matthews comptroller of the United States Treasury. In 1893, Matthews wrote a vignette for the World's Fair predicting what life in the U.S. would be like 100 years in the future. His predictions were grandiose, predicting the U.S. having 60 states and controlling all of North America. Matthews died suddenly at his home in Pittsfield, Illinois. Asa C. Matthews Asa Carrington Matthews (March 22, 1833 – June 14, 1908) was an American lawyer, judge, and politician. Born in Pike County, Illinois, Matthews went to the public