title: Polyploidy and Environment in Arctic Alaska.
abstract: The frequency of polyploidy in the angiosperm flora of the Ogotoruk Creek-Cape Thompson area of northwestern Alaska is correlated with edaphic environmental gradients in the area. These results, when placed in a historical and ecological context, help to clarify the problem of increasing frequency of polyploidy with latitude in the northern hemisphere.
authors.forename: A W
authors.initials: AW
authors.lastname: Johnson
authors.forename: J G
authors.initials: JG
authors.lastname: Packer