For Sibbaldiopsis
Eriksson, T., M. Lundberg, M. Töpel, P. Őstensson, and J.E.E. Smedmark. 2015. Sibbaldia: a molecular phylogenetic study of a remarkably polyphyletic genus in Rosaceae. Plant Syst. Evol. 301: 171-184.
Eriksson, T., M.S. Hibbs, A.D. Yoder, C.F. Delwiche, and M.J. Donoghue. 2003. The phylogeny of Rosoideae (Rosaceae) based on sequences of the internal transcribed spacers (ITS) of nuclear ribosomal DNA and the trnL/F region of chloroplast DNA. Int. J. Plant Sci. 164: 197-211.
Ertter, B., and J.L. Reveal. 2014c. Sibbaldiopsis. In Flora of North America Editorial Committee. 2014. Flora of North America north of Mexico. Volume 9, Magnoliophyta: Picramniaceae to Rosaceae. Oxford Univ. Press, New York, NY. 713 pp.
Ertter, B., R. Elven, and J.L. Reveal. 2008. (1850) Proposal to reject the name Potentilla retusa. (Rosaceae). Taxon 57: 1012.
Feng, T., M.J. Moore, M.-H. Yan, Y.-X. Sun, H.-J. Zhang, A.-P. Meng, X.-D. Li, S.-G. Jian, J.-Q. Li, and H.-C. Wang. 2017. Phylogenetic study of the tribe Potentilleae (Rosaceae), with further insight into the disintegration of Sibbaldia. J. Syst. Evol. doi: 10.1111/jse.12243
Lundberg, K., M. Töpel, B. Eriksen, J.A.A. Nylander, and T. Eriksson. 2009. Allopolyploidy in Fragariinae (Rosaceae): comparing four DNA sequence regions, with comments on classification. Molecular Phylogenetics and Evolution 51: 269-280.
Paule, J., and J. Soják. 2009. Taxonomic comments on the genus Sibbaldiopsis Rydb. (Rosaceae). J. National Museum (Prague), Natural History Series: 178-15-16.
Potter, D., T. Eriksson, R.C. Evans, S. Oh, J.E.E. Smedmark, D.R. Morgan, M. Kerr, K.R. Robertson, M. Arsenault, T.A. Dickison, and C.S. Campbell. 2007. Phylogeny and classification of Rosaceae. Pl. Syst. Evol. 266: 5-43.