The collection includes a summary of materials submitted for discussion at the international conference on taxonomy and evolutionary morphology of plants, dedicated to the 85th anniversary of the birth of Corresponding Member of the Russian Academy of Sciences, Professor V.N. Tikhomirov (1932-1998). Published works cover a wide range of plants, including algae, bryophytes, vascular spores, gymnosperms and flowering plants. Research concerns various aspects of plant evolutionary morphology, taxonomy and evolution of specific taxa of different ranks, and general questions of phylogenetic systematics. A number of works are associated with the involvement of paleobotanical, palynological, embryological and karyological data.