Fossil evidence of angiosperms
This leaf imprint shows a Ficus speciosissima, an angiosperm that flourished during the Cretaceous period. A large number of pollinating insects also appeared during this same time.
Source
Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:
"OpenStax College, Evolution of Seed Plants. October 17, 2013."
http://cnx.org/content/m44653/latest/Figure_26_01_05.jpg
OpenStax CNX
CC BY 3.0.
