1. Psilotaceae to Platanaceae;PW Ball,1993
2. Bartalev, S. A., Belward, A. S., Erchov, D. V., & Isaev, A. S. A. (2003). New SPOT4-VEGETATION derived land cover map of Northern Eurasia. International Journal of Remote Sensing, 24, 1977–1982.
3. Bonde, H. (2009). Mapping of trees with high spatial resolution remote sensing data (In Danish: Kortlægning af træer med højt rumligt opløst remote sensing data) Roskilde University, Universitetsvej 1, 02, DK-4000, Roskilde, Denmark.
4. D’Amato, G., Cecchi, L., Bonini, S., Nunes, C., Annesi-Maesano, I., Behrendt, H., Liccardi, G., Popov, T., & Van Cauwenberge, P. (2007). Allergenic pollen and pollen allergy in Europe. Allergy, 62, 976–990.
5. Diapensiaceae to Myoporaceae;J do Amoral Franco,1972