Eucyclotoma hindsii was created in 1843.
Eucyclotoma varicifera was created in 1868.
Eucyclotoma bicarinata was created in 1863.
Eucyclotoma lactea was created in 1843.
Eucyclotoma carinulata was created in 1875.
Eucyclotoma fusiformis was created in 1873.
Eucyclotoma tricarinata was created in 1840.
Eucyclotoma trivaricosa was created in 1880.
Eucyclotoma stegeri was created in 1955.
Eucyclotoma albomacula was created in 1979.
Eucyclotoma inquinata was created in 1845.
Eucyclotoma cingulata was created in 1890.
Idaho's state nut is the walnut, specifically the Western Black Walnut (Juglans hindsii). Designated as the state nut in 2009, it reflects the importance of walnut production in Idaho's agricultural landscape. The state's climate and soil conditions are conducive to growing high-quality walnuts, making it a significant crop for local farmers.