| Scientific Name | Asclepias speciosa Torr. |
| Family | Apocynaceae |
| Common Names | showy or Greek milkweed |
| Eastern Washington | Native |
| Conservation Status | |
| Notes |
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Along Hi 25 N of Rice, WA at 48 26 528N 118 10 223W – Stevens Co. – 7/5/2009 
Along American R. – E of Nile, WA; 46 47 296N 120 52 143W – Yakima Co. – 6/21/9009 
Along American R. – E of Nile, WA; 46 47 296N 120 52 143W – Yakima Co. – 6/21/9009 
Along Hi 25 N of Rice, WA at 48 26 528N 118 10 223W – Stevens Co. – 7/5/2009 
Along Hi 25 N of Rice, WA at 48 26 528N 118 10 223W – Stevens Co. – 7/5/2009 
Ca. 11.2 mi W of Othello, WA along Hwy 26; N 46.83381 W 119.40130 – Grant Co. – 9/17/2011 
Ca. 11.2 mi W of Othello, WA along Hwy 26; N 46.83381 W 119.40130 – Grant Co. – 9/17/2011 
Ca. 11.2 mi W of Othello, WA along Hwy 26; N 46.83381 W 119.40130 – Grant Co. – 9/17/2011 
Ca. 11.2 mi W of Othello, WA along Hwy 26; N 46.83381 W 119.40130 – Grant Co. – 9/17/2011