"Saules Yukon." . . "Willows Alaska." . . "Yukon" . . "Yukon." . "Saule Alaska." . . "Saule Yukon." . . "The genus 'Salix' in Alaska and the Yukon" . . . . . . . . . . . "The Genus Salix in Alaska and the Yukon" . . . . . . . . . . "The genus salix in alaska and the yukon : by george W. Argus" . . . . . . . . . . . . . . . . "The genus Salix in Alaska and the Yukon" . "The genus Salix in Alaska and the Yukon"@en . "Publications officielles" . . "træer" . . "piletræer" . . "Willows." . . "Nordamerika" . . "Canada" . . "Alaska" . . "Alaska." . . . "Saules Alaska." . . "Willows Yukon." . .