Aldridge, A. E. 1977. Anatomy and evolution in the Macaronesian Sonchus subgenus Dendrosonchus (Compositae-Lactuceae). Nodal and petiolar vascular patterns. Bot. Macar. 3: 41-59.
Aldridge, A. E. 1978. Anatomy and evolution in the Macaronesian Sonchus subgenus Dendrosonchus (Compositae-Lactuceae). Bot. J. Linn. Soc. 76(4): 249-285.
Aldridge, A. E. 1979. Evolution within a single genus: Sonchus in Macaronesia, pp. 279-291, in Bramwell, D. (ed.) Plants and Islands. London, New York.
Baagøe, J. 1977. Taxonomical Application of Ligule Microcharacters in Compositae. I. Anthemideae, Heliantheae, and Tageteae. Bot. Tidsskr. 71: 193-224.
Baagøe, J. 1978. Taxonomical Application of Ligule Microcharacters in Compositae. I. Anthemideae, Heliantheae, and Tageteae. Bot. Tidsskr. 71: 193-224.
Baagøe, J. 1978. Taxonomical Application of Ligule Microcharacters in Compositae. II. Arctotideae, Astereae, Calenduleae, Eromothamneae, Inuleae, Liabeae, Mutisieae, and Senecioneae. Bot. Tidsskr. 72: 125-147.
Barbosa, L. A. Grandvaux. 1968. L’archipel du Cap-Vert, pp. 94-97, in Hedberg, I. & O. (eds.) Conservation of vegetation in Africa south of the Sahara. Acta Phytogeogr. Suec. 54.
Bolle, C. 1892. Florula insularum olim Purpurariarum, nunc Lanzarote et Fuerteventura cum minoribus Isleta de Lobos et la Graciosa in Archipelago canariensi. Bot. Jahrb. 14: 230-257.
Borgen, L. 1969. Chromosome numbers of vascular plants from the Canary Islands, with special reference to the occurrence of polyploidy. Nytt Mag. Bot. 16: 81-121.
Børgesen, F. 1924. Contributions to the knowledge of the vegetation of the Canary Islands (Tenerife and Gran Canaria). Kgl. Danske Vidensk. Selsk. Skr., Nat. -Mat. Afd. 8. Rk., VI. 3.
Bramwell, D. 1972b. Endemism in the flora of the Canary Islands, pp. 141-159, in Valentine, D. H. (ed.) Taxonomy, Phytogeography, and Evolution. Ipswich.
Bramwell, D. 1976. The endemic flora of the Canary Islands, pp. 207-240, in Kunkel, G. (ed.) Biogrography and Ecology in the Canary Islands. Mongr. Biol. 30. The Hague.10.1007/978-94-010-1566-0_6
Burtt, B. L. 1977. Aspects of diversification in the capitulum, pp. 41-59, in Heywood, V. H., Harborne, J. B. & Turner, B. L. (eds.) The Biology and Chemistry of the Compositae. London.
Carlquist, S. 1966. Wood anatomy of Compositae: a summary with comments on factors controlling wood evolution. Aliso 6: 25-44.10.5642/aliso.19660602.03
Clausen, J., Keck, D. D. & Hiesey, W. M. 1945. Experimental studies on the nature of species. II. Plant evolution through amphiploidy and autoploidy, with examples from the Madiinae. Carnegie Inst. Washington Publ. 564.
Cosson, E. & Kralik, L. 1857. Notes sur quelques plantes rares ou nouvelles de loa régence de Tunis. Bull. Soc. Bot. France 4: 277-284.10.1080/00378941.1857.10826193
Dahlgren, R., Karlsson, Th., & Lassen, P. 1971. Studies on the flora of the Balearic Islands I. Chromosome numbers in Balearic angiosperms. Bot. Not. 124: 249-269.
Fernandes, A. & Queiros, M. 1971. Contribution à la connaissance cytotaxonomique des Spermatophyta du Portugal. II. Compositae. Bol. Soc. Brat. (sér. 2) 45: 5-121.
Fernandopullé, D. 1976. Climatic characteristics of the Canary Islands, pp. 185-206, in Kunkel, G. (ed.) Biogeography and Ecology in the Canary Islands. Monogr. Biol. 30. The Hague.10.1007/978-94-010-1566-0_5
Gower, J. C. 1966. Some distance properties of latent root and vector methods used in multivariate analysis. Biometrika 53: 325-338.10.1093/biomet/53.3-4.325
Harborne, J. B. 1977. Flavenoid profiles in the Compositae, pp. 359-384, in Heywood, V. H., Harborne, J. B., & Turner, B. L. (eds.) The Biology and Chemistry of the Compositae. London.
Humphries, C. J., Murray, B. G., Bocquet, G., & Vasudevan, K. 1978. Chromosome numbers of phanerogams from Morocco and Algeria. Bot. Not. 131: 391-406.
Kruckeberg, A. R. 1957. Variation in fertility of hybrids between isolated populations of the serpentine species, Streptanthus glandulosus Hook. Evolution 11: 185-211.
Lems, K. & Holzapfel, C. 1968. Evolution in the Canary Islands. I. Phylogenetic relations in the genus Echium as shown by trichome development. Bot. Gazette 129: 95-107.10.1086/336420
Merxmüller, H. & Grau, J., H., Leins, P., & Roessler, H. 1977. Inuleae- systematic review, pp. 577-602, in Heywood, V. H., Harborne, J. B., & Turner, B. L. (eds.) The Biology and Chemistry of the Compositae. London.
Queiros, M. 1973. Contribuicao para o conhecimento citotaxonomico das Spermatophyta de Portugal. II. Compositae, supl. 1. Bol. Soc. Brot. 47 (sér. 2): 299-314.
Rustan, Ø. H. 1980. Biosystematic studies in Sinapidendron s. lat. (Brassicaceae) I. The generic delimitation. Cand. scient. thesis Univ. of Oslo, (unpubl.).
Schmincke, H. -U. 1976. The geology of the Canary Islands, pp. 67-184, in Kunkel, G. (ed.) Biogeography and Ecology in the Canary Islands. Monogr. Biol. 30. The Hague.10.1007/978-94-010-1566-0_4
Schultz Bipontinus, C. H. 1844. Compositae, pp. 203-473, in Webb, P. B. & Berthelot, S. (eds.) Histoire naturelle des iles Canaries. III. Botanique. 2. Phytographia Canariensis. Paris.
Solbrig, O. T. 1977. Chromosomal cytology and evolution in the family Compositae, pp. 267-282, in Heywood, V. H., Harborne, J. B. & Turner, B. L. (eds.) The Biology and Chemistry of the Compositae. London.
Stebbins, G. L. 1977. Developmental and comparative anatomy of the Compositae, pp. 9-109, in Heywood, V. H., Harborne, J. B. & Turner, B. L. (eds.) The Biology and Chemistry of the Compositae. London.
Van Loon, J. 1974. A cytological investigation of flowering plants from the Canary Islands. Acta Bot. Neerl. 23: 113-124.10.1111/j.1438-8677.1974.tb00926.x
Wawra, H. 1866. Botanische Ergebnisse der Reise sr. Majestat des Kaisers von Mexico Maximillian I. nach Brasilien (1859-1860). Wien.10.5962/bhl.title.95658
Webb, P. B. 1839-1843. Nauplius, pls. 86 A-B & 87, in Webb, P. B. & Berthelot, S. (eds.) Histoire naturelle des Iles Canaries. III. Botanique. 2. Phytographia canariensis. Paris.
Webb, P. B. 1849. Spicilegia Gorgonea; or a catalogue of all the plants as yet discovered in the Cape de Verd Islands from the collections of J. D. Hooker, Esq., M. D. R. N., Dr. T. Vogel, and other travellers, pp. 89-197, in Hooker, W. J. (ed.) Niger Flora. London.
Wells, H. 1980. A distance coefficient as a hybridization index: an example using Mimulus longiflorus and M. flemingii (Schrophulariaceae) from Santa Cruz Island, California. Taxon 29: 53-65.
Willdenow, C. L. - 1807. Einige Bemerkungen über die Pflanzen der Klasse Syngenesia. Ges. Naturf. Fr. Berlin Mag. Neuesten Entdeck. Gesammten Naturk. 1: 130-143.