Note: This combination is a homotypic or taxonomic synonym of Bahia ambrosioides Lag. (1816) and according to Wood and Baldwin (2016) should be subsumed into its synonymy. Hassler (2018) and The Plant List (2018) are incorrect, but see Grin. This page is retained for reference until other secondary sources comply with accepted practice and must not be seen as authoritative.
Baldwin, B.G. & Wood, K.R. 2016. Origin of the Rapa endemic genus Apostates: Revisiting major disjunctions and evolutionary conservatism in the Bahia alliance (Compositae: Bahieae). Taxon 65(5): 1064-1080. DOI: 10.12705/655.8Full text PDFReference page.
Hassler, M. 2018. Eriophyllum ambrosiodes. World Plants: Synonymic Checklists of the Vascular Plants of the World (2019). In: Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, Zarucchi, J., Penev L., eds. 2018. Species 2000 & ITIS Catalogue of Life. Published on the internet. Accessed: 2018 Feb. 20. error in synonymy will be corrected in early 2918.