Royal fern (Osmunda regalis). Illustration showing the sterile fronds (bottom) and spore-bearing fertile fronds (top) of a royal fern.

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Size: 2717px × 3898px
Photo credit: © LIZZIE HARPER/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: -, anatomical, anatomy, artwork, background, biological, biology, botanical, botany, compared, comparing, comparison, cut, cut-, cut-outs, cutout, cutouts, fern, fertile, flora, flowering, frond, fronds, illustration, nature, osmunda, outs, part, parts, plant, plants, pteridophyte, regalis, reproductive, royal, spore, spores, sterile, structure, structures, white, wildlife