1. Ahmadjian, V., The Lichen Symbiosis, New York: Wiley, 1993.
2. Arnold, A.E., Mamit, L.J., Gehring, C.A., Bidartondo, M.I., and Callahan, H., Interwoven Branches of the Plant and Fungal Trees of Life, New Phytol., 2010, vol. 185, pp. 874–878.
3. Atsatt, P., Are Vascular Plants Inside-Out Lichens?, Ecology, 1988, vol. 69, pp. 17–23.
4. Berg, L.S., Nomogenesis, or Evolution, Based on the Laws, in Berg, L.S. Papers on the Theory of Evolution, Lindberg, G.U. and Zhukovskii, P.M., Eds., Leningrad: Nauka, 1977, pp. 95–338.
5. Blagoveshchenskaya, E.Yu. and D’yakov, Yu.T., Endophytic Fungi of Cereals, Mikol. Fitopatol., 2005, vol. 39, no. 3, pp. 1–15.