Taxon - Links and literature
C. Ulloa et al. (2017): An integrated assessment of the vascular plant species of the Americas, Science. 358. 1614-1617 [as Polystichum dubium (H. Karst.) Diels]Data retrieved on: 13 November 2019
C. Ulloa et al. (2017): An integrated assessment of the vascular plant species of the Americas, Science. 358. 1614-1617 [as Polystichum dubium (H. Karst.) Diels]