| Scientific Name | Allium columbianum (Ownbey & Mingrone) P. M. Peterson, Annable & Rieseberg |
| Family | Amaryllidaceae |
| Common Names | Columbia onion |
| Eastern Washington | Native |
| Conservation Status | State of Washington Watch List; Location hidden. |
| Notes |
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Spokane Co., WA – 6/1/2009 
Spokane Co., WA – 6/1/2009 
Spokane Co., WA – 6/1/2009 
Spokane Co. – 6/14/2010 
Spokane Co., WA – 6/1/2009 
Spokane Co. – 6/14/2010 
Spokane Co. – 6/14/2010 
Spokane Co. – 6/14/2010 
Spokane Co. (top to bottem – Allium acuminatum, A. columbianum, A. geyeri) 
Spokane Co. (top to bottem – Allium acuminatum, A. columbianum, A. geyeri) 
Spokane Co.; 5/27/2014 
5/27/2014 
Spokane Co.; 5/27/2014 
Spokane Co.; 5/27/2014
