]> Botany [collector note: Herbarium of Brigham Young University, Provo, Utah. Collected in New Mexico] Spencer, James R. & Atwood, Nephi Duane Spencer, James R. & Atwood, Nephi Duane J. R. Spencer & N. D. Atwood James R. Spencer & Nephi Duane Atwood Spencer, J. R. & Atwood, N. D.