New combinations in theSalixof Alaska and Yukon

摘要

Four new combinations in theSalixof Alaska and Yukon are made:S. rotundifoliassp.dodgeana, S. ovalifoliavar.arctolitoralis, S. ovalifoliavar.glacialis, S. planifoliassp.pulchra, S. planifoliassp.pulchravar.yukonensis. These taxa are discussed and the reasons for the new combinations are presented.