Taxon - Links and literature
Kew Science - Plants of the World online 2024-05 [874858-1]
Kew Science - Plants of the World online [https://powo.science.kew.org], Facilitated by the Royal Botanic Gardens, Kew [as Echium triste subsp. nivariense (Svent.) Bramwell]
Data retrieved on: 30 January 2025