Sori on a hart's-tongue fern frond (Phyllitis scolopendrium). Sori are the clusters of spores found on the back of fern fronds. Photographed in Monti

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Sori on a hart's-tongue fern frond (Phyllitis scolopendrium). Sori are the clusters of spores found on the back of fern fronds. Photographed in Monti Simbruini Regional Park, Lazio, Italy.

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Size: 3594px × 5332px
Photo credit: © BRUNO PETRIGLIA/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: biological, biology, botanical, botany, brown, close-, europe, european, fern, flora, flower, flowering, frond, green, harts-tongue, italy, lazio, leaf, lines, monti, nature, park, part, parts, phyllitis, plant, plants, producing, production, regional, reproduction, reproductive, scolopendrium, simbruini, sori, sporangia, spore, spores