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Filtering by: Creator United States. Forest Service. North Pacific Region Committee Member McCune, Bruce Subject Ascomycetes -- Oregon -- Classification

Pendent Usnea (Lichens; Ascomycetes; Parmeliaceae) in Western Oregon : taxonomy; morphological characters; and geographical distribution

Creator:

Pittam, Sherry K.

Abstract:

Pendent Usnea species were collected in western Oregon and examined. Character states, such as cortex-medulla-axis ratio; fibril length; papilla diameter; branching patterns; and presence or absence of fibrils, papillae, soredia, isidia; plus chemistry, were recorded and analyzed by inspection for differences. Historical names were researched in the literature. A comparison...

Resource Type:

Masters Thesis

Full Text:

first study of North American Usnea that dealt with species in the Pacific Northwest. Even though his

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Pendent Usnea (Lichens; Ascomycetes; Parmeliaceae) in Western Oregon : taxonomy; morphological characters; and geographical distribution

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