Invasion of Pollution-tolerant Lichens
in the Pacific Northwest

A product of the Lichens & Bryophytes class (BOT 465/565), 1998
and Other Contributors

Oregon State University, Department of Botany & Plant Pathology, Corvallis, Oregon U.S.A.

Last updated: September 1998

Introduction
The species

Methods

Sampling design and site selection
Field procedures
Recognizing the target species
Data sheet
Data management

Results
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