Taxon - Links and literature
species
Purple Viper's-bugloss
Echium plantagineum L.
Pladias [Echium plantagineum]
Pladias [https://www.pladias.cz/] [as Echium plantagineum]
Data retrieved on: 3 August 2020
Portál informačního systému ochrany přírody (ISOP) 2023.4 [112835]
Portál informačního systému ochrany přírody (ISOP) [http://portal.nature.cz] [as Echium plantagineum L.]
Data retrieved on: 25 April 2023
Botanical Society of British Isles [http://www.bsbi.org.uk/], Botany Department, The Natural History Museum [as Echium plantagineum L.]Data retrieved on: 11 May 2012
Kew Science - Plants of the World online 2024-05 [115835-1]
Kew Science - Plants of the World online [https://powo.science.kew.org], Facilitated by the Royal Botanic Gardens, Kew [as Echium plantagineum L.]
Data retrieved on: 1 February 2025
Pest Information Wiki [Echium_plantagineum_(weed)]
Pest Information Wiki [http://wiki.pestinfo.org] [as Echium plantagineum L.]
Data retrieved on: 5 March 2016
Pyšek P., Sádlo J. & Mandák B. (2002): Catalogue of alien plants of the Czech Republic, Preslia 74(2): 97–186, 2002. [as Echium plantagineum L.]
Danihelka J., Chrtek J. Jr. & Kaplan Z. (2012): Checklist of vascular plants of the Czech Republic, Preslia 84: 647–811 [as Echium plantagineum L.]Data retrieved on: 18 August 2019