Relationship of some American and old world birches

• 1 September 1902
• journal article
• Published by American Journal of Science (AJS) in American Journal of Science
• Vol. s4-14  (81) , 167-194
• https://doi.org/10.2475/ajs.s4-14.81.167

Abstract

Keywords

• RELATIONSHIP
• AMERICAN AND OLD WORLD BIRCHES