Astragalus woodruffiiAstragalus woodruffii, also known as Woodruff's milkvetch, is a species of Milkvetch in the family Fabaceae. It is native to south central Utah.Distribution and habitatIt is most commonly found in the month of May, being found in that month around 74% of the time. It is commonly found in the elevations of between 4,000-6,000 feet.