Historical biogeography, Orchidaceae, Laurasia, Neotropics, Macroevolution, High-latitude extinction, and Speciation
Genome evolution, DNA C-values, Polyploidy, Pteridophytes, Macroevolution, and Genome size
Chromosome structure , Phylogeny , Polyploidy , Pteridophytes, Genome size , Macroevolution, Chromosome number , and DNA C-values