Lems, K. (1960). Floristic botany of the Canary Islands: A compilation of the geographic distribution, dispersal types, life forms and leaf types of the species of vascular plants. Inst. Botanique de l'Univ. de Montréal.
Chicago-Zitierstil (17. Ausg.)Lems, Kornelius. Floristic Botany of the Canary Islands: A Compilation of the Geographic Distribution, Dispersal Types, Life Forms and Leaf Types of the Species of Vascular Plants. Montréal: Inst. Botanique de l'Univ. de Montréal, 1960.
MLA-Zitierstil (9. Ausg.)Lems, Kornelius. Floristic Botany of the Canary Islands: A Compilation of the Geographic Distribution, Dispersal Types, Life Forms and Leaf Types of the Species of Vascular Plants. Inst. Botanique de l'Univ. de Montréal, 1960.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.