Field notes, v569
Page 679
Image from the Biodiversity Heritage Library. Contributed by Museum of Vertebrate Zoology, University of California, Berkeley. | www.biodiversitylibrary.org
Transcription
Cogswall 1950 Passerella iliaca June 17 Donner Pass & areas along S-S.W. facing slopes within 2 mi. W to SSW of it in Placer Co., Calif. - Found in rather small numbers (mostly by hearing songs) in the areas of chaparral with plenty of tall bitter cherry and/or mountain maple admixed. This association is best developed on the steep S. facing slope 1/4 mi. W. of Donner Pass (=