A tale of two aspens

Here are two different aspen leaves I collected over the summer. One is a bit smaller (they are at the same scale) but how similar are they otherwise? What do they look like on the inside? Here are the vein networks for each, shown at the same scale: The smaller leaf seems to have a…

Are you wondering where all my leaf images are coming from, or how to see leaf venation networks yourself? I’ve just put together a resource on the subject, which provides instructions for making skeletons, a full image gallery, lesson plans, and scientific resources. Check it out!