Archibald, J. K., Crawford, D. J., Kelly, J. K., Mort, M. E., Santos-Guerra, A., & Stoermer, D. A test of Baker's law: Breeding systems and the radiation of Tolpis (Asteraceae) in the Canary islands.

Archibald, Jenny K., Daniel J. Crawford, John K. Kelly, Mark E. Mort, Arnoldo Santos-Guerra, und Danielle Stoermer. A Test of Baker's Law: Breeding Systems and the Radiation of Tolpis (Asteraceae) in the Canary Islands.

Archibald, Jenny K., et al. A Test of Baker's Law: Breeding Systems and the Radiation of Tolpis (Asteraceae) in the Canary Islands.