BioStor
 | Biodiversity and Cytogenetics of the Tarweeds (Asteraceae: Heliantheae- Madiinae) Donald W Kyhos, Gerald D Carr and Bruce G Baldwin (1990) Annals of the Missouri Botanical Garden 77: 84-95 |
 | Analysis of known and new host records for Trupanea from California (Diptera : Tephritidae) R D Goeden (1992) Proceedings of the Entomological Society of Washington 94: 107-118 |