AMONG the flowering plants there is a limited number of records of artificial synthesis of a natural polyploid species. Of these, the first and most familiar example is Galeopsis tetrahit 1. The ...
the Palaeozoic origin of ferns the Cretaceous revolution(s) the Cainozoic diversification - particularly the correlation of diversification events with fluctuations of the global climate since the ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results