Phylogeny of Ptisana based on rps4–trnS and trnSGG plastid sequence data. Bayesian consensus tree, with branch support values (ML bootstrap support / Bayesian posterior probability); • = 100. The four species recognized in the Solomon Islands are marked by colored bars. Key clades discussed in text marked by arrows.

  Part of: Murdock AG, Chen C-W, Huang Y-M, Glenny D (2020) Affinities of the fern genus Ptisana (Marattiaceae) in the Solomon Islands, with descriptions of two new species. PhytoKeys 170: 1-23.