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WNPS Occasional Paper Volume 9: Lichens of South Lopez Island

WNPS Occasional Paper Volume 9: Lichens of South Lopez Island

The Washington Native Plant Society is pleased to announce publication of the ninth in it series of "Occasional Papers". These monographs, published in soft cover book form, are intended to increase appreciation and awareness of the incredible diversity of Washington's flora.

Lichens of South Lopez Island, San Juan County, Washington State by Fred Rhoades provides an in depth glimpse of lichens as they occur in the San Juan Islands. Dr. Rhoades, instructor and mycologist/lichenologist at Western Washington University, conducted a survey in 1998 of the lichens he found on two BLM properties (Point Colville and Iceberg Point) on the southern reaches of Lopez Island. This paper is an update of that survey. It features a general background on lichens, including a glossary of commonly used terms, background on the geology and vegetation of the area, and site descriptions which depict the variety of habitats at these locations. The text reviews some 190 species of both "macrolichens" and "crusts", including comments on each species' habitat, any special status or rarity, and comparisons to other studies in the region. The report documents the first occurrence of 17 crustose species for Washington State (or from the area west of the Cascades) and one new to North America. Dr. Rhoades also discusses human impacts upon this very special ecosystem. 

The book is richly illustrated with some 89 color images of habitats, and several of the common and not so common lichen species.



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