Cambridge University / USDA / USDA Forest Service / Smithsonian Institution / Smithsonian Center for Materials Research and Education / Forest Service / U.S. Government Printing Office / /
west Africa / Southern India / southern Europe / North Africa / western Malaysia / Central America / eastern Asia / central Malaysia / East Asia / Eastern North America / southern China / Southern Spain / West Indies / southeast Asia / Southern Asia / Western Europe / western North America / Southeastern Europe / northern Mexico / Mediterranean / /