@book {20308, title = {The Silva of North America}, volume = {7}, year = {1895}, publisher = {Houghton Mifflin and Company; The Riverside Press}, organization = {Houghton Mifflin and Company; The Riverside Press}, address = {Boston, New York; Cambridge}, url = {http://www.biodiversitylibrary.org/item/54453$\#$page/7/mode/1up}, author = {Sargent, Charles S.} }