Plants of the First Terrestrial Ecosystems

Resumo

The preconditions of an ecosystem for and major phases of colonization of land by higher plants are considered. The most important finds of higher plants in pre-Silurian deposits are discussed. A new plant, Volkhoviella primitiva Naug., Gen. et sp. nov., from Ordovician deposits of Leningrad oblast is described. General questions of the early evolution of land vegetation are considered.