![](http://www.alamy.com/thumbs/6/3675AF3D-427D-4C49-8FC6-03A493C5DEEB/2TBJ5JA.jpg)
Sorus with sporangia of fern Aspidium sp. Optical microscope X100.
Size: 7360px × 4912px
Photo credit: © José María Barres Manuel / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: asexual, aspidium, botany, fern, micrograph, microphotography, microscope, optical, pteridophyta, reproduction, sori, sorus, sporangia, sporangium, spores