![](http://www.alamy.com/thumbs/6/E31A1EEB-8E0D-4A94-A03F-47A735DB72D9/TA08B5.jpg)
Fern sporangia, Dryopteris sp. Macro view of the fern underside.
Size: 2953px × 3416px
Photo credit: © Scenics & Science / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: called, complex, dryopteris, fern, ferns, leaves, macro, male, megaphylls, mitosis, produce, sori, sp., sporangia, sporangium, spores, underside., view, wood