Pinterest • The world’s catalog of ideas

Fluorescence light micrograph of sporangia on the underside of a fern frond. Sporangia are spore-producing receptacles found in clusters called sori. Each sporangium is packed with spores (brown), which are the fern's reproductive cells. Credit: Rogelio Moreno/Science Photo Library

1

Fern spores are produced in vast numbers on the understide of fern fronds during the summer months. For details of how they are catapaulted into the airstream, take a look at http://beyondthehumaneye.blogspot.com/2009/07/natures-siege-catapults.html

25
10