Template:Estes & Small, 2008
- Estes, D. & Small, R.L. 2008. Phylogenetic Relationships of the Monotypic Genus Amphianthus (Plantaginaceae Tribe Gratioleae) Inferred from Chloroplast DNA Sequences. Systematic Botany 33(1): 176–182. DOI: 10.1600/036364408783887375 JSTOR PDF