From the collection of the 



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Prefinger 



library 



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San Francisco, California 

 2008 



Disclaimer 



This publication reports research and management issues involving mushroom har- 

 vesting. It neither recommends the use of mushrooms nor implies that mushroom use 

 is without risks. 



CAUTION; Mushroom consumption can pose a serious, even fatal, risk to humans. It 

 is strongly recommended that you spend your first collecting season using field identi- 

 fications guides and collecting with an expert if you intend to collect mushrooms to 

 eat. 



Authors 



CATHERINE G. PARKS is a research plant pathologist. Pacific Northwest Research 

 Station, Forestry and Range Sciences Laboratory, 1401 Gekeler Lane, La Grande, OR 

 97850; CRAIG L. SCHMITT is a Zone Pathologist, Blue Mountains Pest Management 

 Zone, Wallowa-Whitman National Forest, 1401 Gekeler Lane, La Grande, OR 97850 



Cover photograph: morel mushrooms. Photo taken by Paula Brooks at Hidden Campground, Hells Canyon 

 National Recreation Area, 



