The grasses as well as the sedges are cosmopolitan in distribution, but grasses are more common than sedges. Will it be due the vegetative reproductive potential of grasses or is there any other reason?
I think there are a few reasons for this.
1) Grasses are resistant to trampling and grazing, sedges not so much
2) Grasses have excellent pollen and seed dispersal potential, sedges not as much.
3) Grasses can survive in habitats and ecosystems that sedges cannot.
4) Grasses are more beneficial for humans, so we tend to promote actions that favour their survival, spread and abundance.
I'm sure there are a multitude of other reasons too.
As a rule, Cuban ecosystems are poor in species of Poaceae and Cyperaceae, except for savannas with pine trees. In these savannas, Poaceae species are very abundant in the driest places while the number of Cyperaceae species increases greatly in the wettest places
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