| Scientific Name | Senecio serra Hook. var. serra |
| Family | Asteraceae |
| Common Names | butterweed groundsel, tall butterweed |
| Eastern Washington | Native |
| Synonyms | Senecio andinus Nutt. Senecio lanceolatus Torr. & A. Gray Senecio millikenii Eastw. Senecio serra Hook. var. altior Jeps. Senecio solidago Rydb. |
| Conservation Status | |
| Notes |
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Along Zumwalt Rd NE of Enterprise, OR; 45.59796N 116.98272W – Wallowa Co. – 7/27/2010 
Along Zumwalt Rd NE of Enterprise, OR; 45.59796N 116.98272W – Wallowa Co. – 7/27/2010 
Along Zumwalt Rd NE of Enterprise, OR; 45.59796N 116.98272W – Wallowa Co. – 7/27/2010 
Along Zumwalt Rd NE of Enterprise, OR; 45.59796N 116.98272W – Wallowa Co. – 7/27/2010 
Along Zumwalt Rd NE of Enterprise, OR; 45.59796N 116.98272W – Wallowa Co. – 7/27/2010 
Along Forest Rd 4690 N of Thomason Meadows; 45.76398N 116.92367W – Wallowa Co., OR – 7/27/2010 
Along Forest Rd 4690 N of Thomason Meadows; 45.76398N 116.92367W – Wallowa Co., OR – 7/27/2010 
Along Forest Rd 4690 N of Thomason Meadows; 45.76398N 116.92367W – Wallowa Co., OR – 7/27/2010