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. Google Scholar
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. Google Scholar
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. Google Scholar
Ertter, B., R. Elven, and J.L. Reveal. 2008. (1850) Proposal to reject the name Potentilla retusa. (Rosaceae). Taxon 57: 1012. Google Scholar
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 Google Scholar
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. Google Scholar
Paule, J., and J. Soják. 2009. Taxonomic comments on the genus Sibbaldiopsis Rydb. (Rosaceae). J. National Museum (Prague), Natural History Series: 178-15-16. Google Scholar
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. Google Scholar