Martín Osorio, V.E., Wildpret de la Torre, W. & Marrero Rodríguez, Á.: Helianthemum bystropogophyllumIUCN Red List of Threatened Species. Version 2020-3. 2011. International Union for Conservation of Nature, IUCN, Iucnredlist.org. Viitattu 14.1.2021. (englanniksi)
researchgate.net
Isabel Santana López, J. C. Luis, Margarita Ravelo Armas & Francisco Valdés González: In vitro propagation of Helianthemum bystropogophyllum Svent., a rare and endangered species from Gran Canaria (Canary Islands). Botánica Macaronésica 25, maaliskuu 2004, s. 71–77. ISSN 0211-7150Teksti Researchgatessa. (englanniksi)
worldcat.org
Isabel Santana López, J. C. Luis, Margarita Ravelo Armas & Francisco Valdés González: In vitro propagation of Helianthemum bystropogophyllum Svent., a rare and endangered species from Gran Canaria (Canary Islands). Botánica Macaronésica 25, maaliskuu 2004, s. 71–77. ISSN 0211-7150Teksti Researchgatessa. (englanniksi)
