native to Washington (state); disappeared 1970
Please contact N. C. Heywood [e-mail] if you have any additional information about this case. Please provide the fullest citation and referencing information possible. Thank you.
References:
Williams, J. and Nowak, R. chapter in The Last Extinction QH75.L36 1993 pp. 107-139
2000 IUCN Red List
Special Thanks! to Rhiwena S. for updating me about this organism.
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