Taxon - Links and literature
Kew Science - Plants of the World online 2024-05 [30207264-2]
Kew Science - Plants of the World online [https://powo.science.kew.org], Facilitated by the Royal Botanic Gardens, Kew [as Castilleja angustifolia (Nutt.) G.Don]
Data retrieved on: 31 January 2025
The Plant List 1.1 [kew-2704852]
The Plant List [http://www.theplantlist.org] [as Castilleja angustifolia (Nutt.) G.Don]
Data retrieved on: 31 January 2014
C. Ulloa et al. (2017): An integrated assessment of the vascular plant species of the Americas, Science. 358. 1614-1617 [as Castilleja angustifolia (Nutt.) G. Don]Data retrieved on: 19 September 2019