Your Artstor image groups were copied to Workspace. The Artstor website will be retired on Aug 1st. Missouri Botanical Garden Annual Report Vol. 1907, 1907 Effect of Light Upon the Germination of ...

But since the 1970s, geologists have also noted the existence of another layer, just above the iridium-rich one, that contains “lots and lots and lots of fossil fern spores” and not much else, says ...

If you're up to a challenge, you can also try growing ferns from spores, which takes patience—but after, you'll have all the fronds you could ever want. Here, we spoke to experts about all ...