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jstor.org
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kew.org
powo.science.kew.org
"Search for 'Xylothamia'". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2024-05-21.
Urbatsch, L. E.; Roberts, R. P.; Karaman, V. (2003). "Phylogenetic evaluation of Xylothamia, Gundlachia, and related genera (Asteraceae, Astereae) based on ETS and ITS nrDNA sequence data". American Journal of Botany. 90 (4): 634–49. doi:10.3732/ajb.90.4.634. PMID21659159.