Sori-bearing fronds of autumn fern (Dryopteris erythrosora). The sori (sources) produce spores that are disseminated by wind and rain.

• Contributor: Gerry Bishop / Alamy Stock Photo
• Image ID: R8J606
• File size: 27.8 MB (1.8 MB Compressed download)
• Releases: Model - no | Property - no
• Dimensions: 2592 x 3748 px | 21.9 x 31.7 cm | 8.6 x 12.5 inches | 300dpi
• Date taken: 12 February 2012

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• abstract
• autumn fern
• botanical
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• dispersal
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• dryopteris erythrosora
• frond
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• sori
• sorus
• sporangea
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