botanydepot
Chris MartineTag: fossils
Elizabeth J. Hermsen has provided great illustrated web-based introductions to plant systematics, anatomy and morphology as part of the Digital Encyclopedia of Ancient Life. These are great teaching…
Key concept: Understanding and remembering order of events and time line for Earth’s geological and biological history. This is the handout for an exercise I do in my…
Key concept: Most plant fossils are impressions, but the ones in Clarkia, Idaho are actual leaves encased in rock for the last 15 millions years… and we might…