| Scientific Name | Corylus cornuta Marsh ssp. californica (A. DC.) A.E. Murray |
| Family | Betulaceae |
| Common Names | California hazelnut, filbert |
| Eastern Washington | Native |
| Conservation Status | |
| Notes |
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Along Hwy 25 just E of Marcus, WA; N 48.662376 W 118.068445 – Stevens Co. – 5/17/2010 
Along Hwy 25 just E of Marcus, WA; N 48.662376 W 118.068445 – Stevens Co. – 5/17/2010 
Along Hwy 25 just E of Marcus, WA; N 48.662376 W 118.068445 – Stevens Co. – 5/17/2010 
Along Hwy 25 just E of Marcus, WA; N 48.662376 W 118.068445 – Stevens Co. – 5/17/2010 
Along Hwy 25 just E of Marcus, WA; N 48.662376 W 118.068445 – Stevens Co. – 5/17/2010 
Along Hwy 25 just E of Marcus, WA; N 48.662376 W 118.068445 – Stevens Co. – 5/17/2010 
1.5 mi W of White Pine Buttes N of Garrison Rd NE of Goldendale, WA; N 45.95538 W 121.00453 – Klickitat Co. – 10/28/2010 
Along Hwy 25 just E of Marcus, WA; N 48.662376 W 118.068445 – Stevens Co. – 8/11/2011 
Along Hwy 25 just E of Marcus, WA; N 48.662376 W 118.068445 – Stevens Co. – 8/11/2011 
Along Hwy 25 just E of Marcus, WA; N 48.662376 W 118.068445 – Stevens Co. – 8/11/2011
