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Filtering by: Creator Gilbert, Alberta Rae Advisor Chambers, Kenton L.

The gene-ecology of Crepis nana Richardson and Crepis elegans Hooker in Arctic and Alpine North America

Creator:

Legge, Allan Herbert, 1942-

Abstract:

A gene-ecological transplant study was made on populations of the Crepis nana and C. elegans complex from the Arctic and Alpine of North America. Transplants were collected from the Brooks Range, Eagle Summit, and Alaska Range in Alaska, the Rocky Mountains in Alberta, the Olympic Mountains in Washington, the Wallowa...

Resource Type:

Dissertation

Full Text:

Alaska, the Rocky Mountains in Alberta, the Olympic Mountains in Washington, the Wallowa Moun- tains in
A biosystematic study in the genus Aster, section Aster, in western North America

Creator:

Dean, Milton Lee

Abstract:

A biosystematic investigation was undertaken in 15 species and three subspecies of the genus Aster, in western North America. Previous studies had been based entirely on external morphological features, and it was believed that much could be learned about the natural affinities of the taxa by exploring their cytological and...

Resource Type:

Dissertation
A revision of Juncus subgenus genuini (Juncaceae) in the Pacific states

Creator:

Lint, Harold LeRoy

Abstract:

A study was made of the subgenus Genuini of the genus Juncus in the Pacific States, California, Oregon and Washington. Extensive morphological comparisons, geographical distributions, habitat differences and observations of apparent presence or absence of natural hybrids provided the major data sources. Cytological studies were made, but were inconclusive. Eleven...

Resource Type:

Dissertation