Bibliography

• Costa, J.C., Neto, C., Aguiar, C., Capelo, J., Espírito Santo, M.D., Honrado, J., Pinto-Gomes, C., Monteiro-Henriques, T., Sequeira, M. & Lousa, M. 2012. Vascular plant communities in Portugal (Continental, the Azores and Madeira). Global Geobotany 2: 1−180.
• Fernández Prieto, J.A., Aguiar, C. & Dias, E. 2012. Description of some new syntaxa from the Azores archipelago. International Journal of Geobotanical Research 2: 111–116.
• Lüpnitz, D. 1975. Subalpine und alpine Pflanzengesellschaften auf der Iselen Pico (Azoren). Botanische Jahrbücher Systematik 95(2): 149–173.
• Lüpnitz, D. 1976. Geobotanische studien zur natürlichen vegetation der Azoren unter Berücksichtigung der Chorologie innerhalb Makaronesiens. Beiträge zur Biologie der Pflanzen 51: 149–319.
• Molina Abril, J.A. 1994. Resumen sintaxónomico de las comunidades vegetales de Francia y España hasta el rango de alianza. Colloques Phytosociologiques 22: 55–110.
• Rivas-Martínez, S., Díaz, T.E., Fernández-González, F., Izco, J., Loidi, J., Lousã, M. & Penas, A. 2002. Vascular plant communities of Spain and Portugal. Addenda to the syntaxonomical checklist of 2001. Part II. Itinera Geobotanica 15(2): 434–922.
• Rivas-Martínez, S., Díaz, T.E., Fernández-González, F., Izco, J., Loidi, J., Lousã, M. & Penas, A. 2002. Vascular plant communities of Spain and Portugal. Addenda to the syntaxonomical checklist of 2001. Part I. Itinera Geobotanica 15(1): 5–432.
• Rivas-Martínez, S., Fernández-González, F. & Loidi, J. 1998. Check-list of the high syntaxa of Spain and continental Portugal (Iberian Peninsula, Balearic and Canary Islands). Folia Botanica Matritense 17: 1–23.
• Rivas-Martínez, S., Fernández-González, F. & Loidi, J. 1999. Checklist of plant communities of Iberian Peninsula, Balearic and Canary Islands to suballiance level. Itinera Geobotanica 13: 353–451.
• Sjögren, E. 1973. Recent changes in the vascular flora and vegetation of the Azores Islands. Memórias da Sociedade Broteriana 22: 1−453.