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Distribution Ceanothus ferrisiae is endemic to Santa Clara County , California , where it is known from only four or five occurrences near Mt. Hamilton in the Diablo Range .
 Santa Clara County , California
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Santa Clara County , California