Romeiras, M.M., Vieira, A., Silva, D.N., Moura, M., Santos-Guerra, A., Batista, D., Duarte, M.C., & Paulo, O.S. (2016), "Evolutionary and Biogeographic Insights on the Macaronesian Beta-Patellifolia Species (Amaranthaceae) from a Time-Scaled Molecular Phylogeny", PLoS One11(3): e0152456, doi:10.1371/journal.pone.0152456
kew.org
powo.science.kew.org
"Acroglochin Schrad.", Plants of the World Online, Royal Botanic Gardens, Kew, retrieved 2022-04-08