Cycad leaf physiology research needed

The living cycad species are among the world's most threatened plant groups, but are also among the world's least studied plant groups. The need for a greater understanding of basic physiology of cycads has been discussed ...

Flies that pollinized Cretaceous plants 105 million years ago

When we think about pollination, the image that comes first to mind is a bee or a butterfly covered by pollen. However, in the Cretaceous —about 105 million years ago— bees and butterflies did not exist, and most terrestrial ...

Diversification of land plants

Researchers have reconstructed phylogenetic relationships among all 706 families of land plants.