Original: The American Naturalist 74:54 -- 66 This work continued with the 1947 paper '' Types of polyploids : their classification and significance '' , which detailed a system for the classification of polyploids and described Stebbins ' ideas about the role of paleopolyploidy in angiosperm evolution , where he argued that chromosome number may be a useful tool for the construction of phylogenies .
Simplified: The American Naturalist 74:54 -- 66 This work continued with the 1947 paper Types of polyploids : their classification and significance , which described Stebbins ideas about the role of paleopolyploidy in angiosperm evolution .