close fern frond showing sori the clusters sporangia underside

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Close-up of a fern frond showing sori, the clusters of sporangia, on the underside. The Royalty Free Stock Photo
Close-up of a fern frond showing sori on the underside. Sori are clusters of sporangia, Royalty Free Stock Photo
Close-up of a fern frond showing sori, which are clusters of sporangia, on the Royalty Free Stock Photo
Close-up of a fern frond showing clusters of sori on the underside. Each sorus contain Royalty Free Stock Photo
Close-up of a fern frond showing rows of round sori on the underside. The green Royalty Free Stock Photo
   
   
Close-up of a fern frond showing sori, the clusters of sporangia, on the underside. The
   
   
   
   
   
   
   
Close-up of a fern frond showing sori, the clusters of sporangia, on the underside. The green leaflets (pinnae) are lined with rows of round, brown sori. This natural arrangement aids in the reproduction of the fern, specifically a member of the Pteridophyta division. The image highlights the texture and structure of the leaflets and sori.

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