I have always loved the hart's-tongue fern, Asplenium scolopendrium, as seen in the image above. With thick, lush evergreen fronds, this fern can provide year-round interest even in cold ...

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 ...