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Filtering by: Creator Hardy, Pierre-Yves Degree Field Botany and Plant Pathology

Fescue taxonomy in the Pacific coast states

Creator:

Wilson, Barbara L.

Abstract:

Accurate taxonomy is essential to preservation and management of native grasses. Four problems in fescue taxonomy were investigated: the identity of the native fescue that dominates western Oregon and Washington prairies, the relationship of native Festuca roemeri to closely related grasses, the status of F. howellii and F. washingtonica, and...

Resource Type:

Dissertation

Full Text:

about the identification of Festuca howellii specimens cited by St.-Yves (1925) 124 8.1 Classification
Symbiosis in the Pacific Ring of Fire : evolutionary-biology of Rhizopogon subgenus Villosuli as mutualists of Pseudotsuga

Creator:

Mujic, Alija Bajro

Abstract:

Rhizopogon is a large genus of ectomycorrhizal (EM) fungi that grows in association with host trees of the family Pinaceae. We have conducted a series of studies investigating the ecology and evolutionary biology of the EM symbiosis shared between R. subgenus Villosuli and trees of the genus Pseudotsuga. Two members...

Resource Type:

Dissertation
Landscape Genomics and Climatic Responses of Willamette Valley Alders

Creator:

Kral, George L.

Abstract:

The climate of the Pacific Northwest is in flux, and existing forest ecosystems are stressed and poised to shift in fundamental ways, with or without human intervention. This dissertation probes the nature of forest responses to environmental change through investigations of morphology and genetics of three species of alder co-occurring...

Resource Type:

Dissertation