NELSON, Rebekah A.; GRISWOLD, Terry L. The floral hosts and distribution of a supposed creosote bush specialist, Colletes stepheni Timberlake (Hymenoptera: Colletidae). Journal of Melittology, [S. l.], n. 49, p. 1–12, 2015. DOI: 10.17161/jom.v0i49.4836. Disponível em: https://journals.ku.edu/melittology/article/view/4836. Acesso em: 2 apr. 2025.