The Origin of a Land Flora F. O. Bower

Excerpt from The Origin of a Land Flora: A Theory

In the year 1874 apogamy was discovered in Ferns by Farlow: and in 1884 instances of apospory in Ferns were demonstrated before the Linnaean Society of Iyondon by Druery. These events stimulated a Это и многое другое вы найдете в книге The Origin of a Land Flora (F. O. Bower)