balsamifera – Sweet tabaiba (CanaryIslands) Euphorbia bulbispina Euphorbia calyptrata Euphorbia canariensis – Cardón (CanaryIslands) Euphorbia caput-medusae
of the CanaryIslands". Personal.psu.edu. Archived from the original on 6 జూన్ 2011. Retrieved 26 April 2010. "Handbook of Texas Online – Canary Islanders"
ISBN 978-3-642-25892-3. Carracedo, J. C. (Juan Carlos). The geology of the CanaryIslands. Troll, V. R. Amsterdam, Netherlands. ISBN 978-0-12-809664-2. OCLC 951031503