Plant life forms in the fossil record: When did the first canopy flowers appear?

1 September 2014

Most plant fossils are isolated organs, making it difficult to reconstruct the type of plant life or its ecosystem structure. Botanists have now used leaf vein density, a trait visible on leaf compression fossils, to document the occurrence of stratified forests with a canopy dominated by flowering plants.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/hN-6QIeN9qQ/140901090131.htm

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