| Scientific Name | Ranunculus occidentalis Nutt. var. occidentalis |
| Family | Ranunculaceae |
| Common Names | western buttercup |
| Eastern Washington | Native |
| Conservation Status | |
| Notes |
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near parking area for Jackson-Frazier Wetland at end of NE Lancaster St., Corvallis – Benton Co., OR – 5/1/2010 
near parking area for Jackson-Frazier Wetland at end of NE Lancaster St., Corvallis – Benton Co., OR – 5/1/2010 
near parking area for Jackson-Frazier Wetland at end of NE Lancaster St., Corvallis – Benton Co., OR – 5/1/2010 
near parking area for Jackson-Frazier Wetland at end of NE Lancaster St., Corvallis – Benton Co., OR – 5/1/2010 
near parking area for Jackson-Frazier Wetland at end of NE Lancaster St., Corvallis – Benton Co., OR – 5/1/2010 
near parking area for Jackson-Frazier Wetland at end of NE Lancaster St., Corvallis – Benton Co., OR – 5/1/2010 
near parking area for Jackson-Frazier Wetland at end of NE Lancaster St., Corvallis – Benton Co., OR – 5/1/2010 
near parking area for Jackson-Frazier Wetland at end of NE Lancaster St., Corvallis – Benton Co., OR – 5/1/2010 
near parking area for Jackson-Frazier Wetland at end of NE Lancaster St., Corvallis – Benton Co., OR – 5/1/2010 
2.5 air mi NE of Mosier, OR; ca. 100 yds S of the Catherine Creek Trail parking lot off old Hwy 8.; N 45.70961 W 121.36203; Klickitat Co.; 4/20/2018 
2.5 air mi NE of Mosier, OR; ca. 100 yds S of the Catherine Creek Trail parking lot off old Hwy 8.; N 45.70961 W 121.36203; Klickitat Co.; 4/20/2018 
2.5 air mi NE of Mosier, OR; ca. 100 yds S of the Catherine Creek Trail parking lot off old Hwy 8.; N 45.70961 W 121.36203; Klickitat Co.; 4/20/2018 
2.5 air mi NE of Mosier, OR; ca. 100 yds S of the Catherine Creek Trail parking lot off old Hwy 8.; N 45.70961 W 121.36203; Klickitat Co.; 4/20/2018 
2.5 air mi NE of Mosier, OR; ca. 100 yds S of the Catherine Creek Trail parking lot off old Hwy 8.; N 45.70961 W 121.36203; Klickitat Co.; 4/20/2018 
2.5 air mi NE of Mosier, OR; ca. 100 yds S of the Catherine Creek Trail parking lot off old Hwy 8.; N 45.70961 W 121.36203; Klickitat Co.; 4/20/2018 
2.5 air mi NE of Mosier, OR; ca. 100 yds S of the Catherine Creek Trail parking lot off old Hwy 8.; N 45.70961 W 121.36203; Klickitat Co.; 4/20/2018 
2.5 air mi NE of Mosier, OR; ca. 100 yds S of the Catherine Creek Trail parking lot off old Hwy 8.; N 45.70961 W 121.36203; Klickitat Co.; 4/20/2018 2.5 air mi NE of Mosier, OR; ca. 100 yds S of the Catherine Creek Trail parking lot off old Hwy 8.; N 45.70961 W 121.36203; Klickitat Co.; 4/20/2018