Taxon - Odkazy a literatura
Echium triste Svent.
Kew Science - Plants of the World online 2024-05 [115925-1]
Kew Science - Plants of the World online [https://powo.science.kew.org], Facilitated by the Royal Botanic Gardens, Kew [jako Echium triste Svent.]
Datum citace: 1. únor 2025
Echium triste subsp. nivariense (Svent.) Bramwell 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 [jako Echium triste subsp. nivariense (Svent.) Bramwell]
Datum citace: 30. leden 2025
Kew Science - Plants of the World online 2024-05 [77249850-1]
Kew Science - Plants of the World online [https://powo.science.kew.org], Facilitated by the Royal Botanic Gardens, Kew [jako Echium triste var. gomeraeum Svent. = Echium triste subsp. triste]
Datum citace: 1. únor 2025
Kew Science - Plants of the World online 2024-05 [77229879-1]
Kew Science - Plants of the World online [https://powo.science.kew.org], Facilitated by the Royal Botanic Gardens, Kew [jako Echium triste subsp. triste]
Datum citace: 1. únor 2025