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 Penstemon compactus (D.D. Keck) Crosswh.]Data retrieved on: 19 September 2019
C. Ulloa et al. (2017): An integrated assessment of the vascular plant species of the Americas, Science. 358. 1614-1617 [as Penstemon compactus (D.D. Keck) Crosswh.]