| Scientific Name | Sium suave Walt. |
| Family | Apiaceae |
| Common Names | hemlock water-parsnip, water parsnip |
| Eastern Washington | Native |
| Conservation Status | |
| Notes |
Click on any image to enlarge it.
Along Pend Oreille River near Hwy 20 at Tiger Slough; 48.64929N 117.37576W – Pend Oreille Co., WA – 7/18/2010 
Along Pend Oreille River near Hwy 20 at Tiger Slough; 48.64929N 117.37576W – Pend Oreille Co., WA – 7/18/2010 
Along Pend Oreille River near Hwy 20 at Tiger Slough; 48.64929N 117.37576W – Pend Oreille Co., WA – 7/18/2010 
Along Pend Oreille River near Hwy 20 at Tiger Slough; 48.64929N 117.37576W – Pend Oreille Co., WA – 7/18/2010 
Along Pend Oreille River near Hwy 20 at Tiger Slough; 48.64929N 117.37576W – Pend Oreille Co., WA – 7/18/2010 
Along Pend Oreille River near Hwy 20 at Tiger Slough; 48.64929N 117.37576W – Pend Oreille Co., WA – 7/18/2010 
Along Pend Oreille River near Hwy 20 at Tiger Slough; 48.64929N 117.37576W – Pend Oreille Co., WA – 7/18/2010 
Along Pend Oreille River near Hwy 20 at Tiger Slough; 48.64929N 117.37576W – Pend Oreille Co., WA – 7/18/2010 
Along Ritchey Rd ca 0.3 mi S of Baker Rd W of Cheney, WA – Spokane Co. – 7/17/2009 
Along Ritchey Rd ca 0.3 mi S of Baker Rd W of Cheney, WA – Spokane Co. – 7/17/2009 
Along the Palouse R. 0.6 air mi W of Harvard, ID; W of Hwy 9; N 46.91757 W 116.74283; Latah Co., 8/19/2015 
Along the Palouse R. 0.6 air mi W of Harvard, ID; W of Hwy 9; N 46.91757 W 116.74283; Latah Co., 8/19/2015 
Along the Palouse R. 0.6 air mi W of Harvard, ID; W of Hwy 9; N 46.91757 W 116.74283; Latah Co., 8/19/2015 
Along the Palouse R. 0.6 air mi W of Harvard, ID; W of Hwy 9; N 46.91757 W 116.74283; Latah Co., 8/19/2015
