Climate-altering Plant Physiology (IMAGE)
Caption
The vein density of flowering plants is four times higher than any other plant type, either modern or extinct. The difference in vein density is easily seen in this image of a fern leaf lying atop the leaf of a flowering plant.
Credit
C. Kevin Boyce
Usage Restrictions
This image may be used by news organizations reporting the research findings of C. Kevin Boyce and Jung-Eun Lee.
License
Licensed content