 Wolfe and Tanai published their 1987 type description for "A. taurocursum" in the "Journal of the Faculty of Science, Hokkaido University".The etymology of the chosen specific name "taurocursum" is in recognition of the type location for the species in the Bull Run flora of Nevada.The general shape of the "A. taurocursum" nutlet is narrow and elliptic, moderately inflated, and it has a rounded tip end.