• Results for
    • Sori
  • (25)
Common polypody fern (Polypodium vulgare) sori on underside of frond, Scotland  -  Duncan Mcewan
01016725
Duncan Mcewan / Common polypody fern (Polypodium vulgare) sori on underside of frond, Scotland
Common polypody fern (Polypodium vulgare)  Sori on underside of frond, Scotland  -  Duncan Mcewan
01016724
Duncan Mcewan / Common polypody fern (Polypodium vulgare) Sori on underside of frond, Scotland
Hard fern ( Blechnum spicant) showing the sori (cluster of spore producing structures. Beneath the fronds. Sugano, Orvieto, Umbria, Italy, March.  -  Paul  Harcourt Davies
01569023
Paul Harcourt Davies / Hard fern ( Blechnum spicant) showing the sori (cluster of spore producing structures. Beneath the fronds. Sugano, Orvieto, Umbria, Italy, March.
Hart's tongue fern (Asplenium scolopendrium)  growing in limestone pavement.  Rows of spore-producing sori can be seen on the  underside of the fronds. Gait Barrows National Nature Reserve, Lancashire...  -  Alex  Hyde
01523178
Alex Hyde / Hart's tongue fern (Asplenium scolopendrium) growing in limestone pavement. Rows of spore-producing sori can be seen on the underside of the fronds. Gait Barrows National Nature Reserve, Lancashire...
Hart's tongue fern (Asplenium scolopendrium)  rows of spore-producing sori  on   underside of the frond. Gait Barrows National Nature Reserve, Lancashire, UK. September.  -  Alex  Hyde
01523177
Alex Hyde / Hart's tongue fern (Asplenium scolopendrium) rows of spore-producing sori on underside of the frond. Gait Barrows National Nature Reserve, Lancashire, UK. September.
Hart's tongue fern (Asplenium scolopendrium)  rows of spore-producing sori  on   underside of the frond. Gait Barrows National Nature Reserve, Lancashire, UK. September.  -  Alex  Hyde
01523176
Alex Hyde / Hart's tongue fern (Asplenium scolopendrium) rows of spore-producing sori on underside of the frond. Gait Barrows National Nature Reserve, Lancashire, UK. September.
Fern (Selaginella emmeliana) showing sori / spores. Occurs in Central and South America.  -  John Cancalosi
01498964
John Cancalosi / Fern (Selaginella emmeliana) showing sori / spores. Occurs in Central and South America.
Wilson's Filmy Fern (Hymenophyllum wilsonii) with sori, Snowdonia, north Wales, UK, July.  -  Adrian Davies
01489951
Adrian Davies / Wilson's Filmy Fern (Hymenophyllum wilsonii) with sori, Snowdonia, north Wales, UK, July.
Sori on the underside of a Fern stem  -  Neil Lucas
01294609
Neil Lucas / Sori on the underside of a Fern stem
Male fern {Dryopteris filix mas} showing spores / sori on underside of frond, Belgium  -  Philippe Clement
01142692
Philippe Clement / Male fern {Dryopteris filix mas} showing spores / sori on underside of frond, Belgium
Fertile fern frond, Atlantic rainforest, Argentina, South America  -  Daniel Gomez
01090334
Daniel Gomez / Fertile fern frond, Atlantic rainforest, Argentina, South America
Male Fern - sori on underside of frond (Dryopteris filix mas) Scotland  -  Duncan Mcewan
01016741
Duncan Mcewan / Male Fern - sori on underside of frond (Dryopteris filix mas) Scotland
Male Fern (Dryopteris filix mas) Sori on underside of frond, Scotland  -  Duncan Mcewan
01016739
Duncan Mcewan / Male Fern (Dryopteris filix mas) Sori on underside of frond, Scotland
Male fern - sori / spores on underside of frond. Scotland  -  Duncan Mcewan
01016738
Duncan Mcewan / Male fern - sori / spores on underside of frond. Scotland
Lemon Scented Fern (Oreopteris limbosperma) sori on underside of frond, Scotland  -  Duncan Mcewan
01016737
Duncan Mcewan / Lemon Scented Fern (Oreopteris limbosperma) sori on underside of frond, Scotland
Lemon Scented Fern (Oreopteris limbosperma) sori on underside of frond, Scotland  -  Duncan Mcewan
01016736
Duncan Mcewan / Lemon Scented Fern (Oreopteris limbosperma) sori on underside of frond, Scotland
Common Fern (Polypodium sp) SEM close-up view of sori at 21x magnification  -  Albert Lleal
00780231
Albert Lleal / Common Fern (Polypodium sp) SEM close-up view of sori at 21x magnification
Leather Fern (Arachniodes adiantiformis) SEM close-up view of sori on the underside of frond where haploid spores are formed during meiosis at 21x magnification  -  Albert Lleal
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Albert Lleal / Leather Fern (Arachniodes adiantiformis) SEM close-up view of sori on the underside of frond where haploid spores are formed during meiosis at 21x magnification
Holly / Shield fern (Polystichum) with sori on the frond (leaf) underside.  -  Nigel Cattlin
01338581
Nigel Cattlin / Holly / Shield fern (Polystichum) with sori on the frond (leaf) underside.
Sori on Holly / Shield Fern (Polystichum) beginning to shed spores.  -  Nigel Cattlin
01338524
Nigel Cattlin / Sori on Holly / Shield Fern (Polystichum) beginning to shed spores.
Western chain fern (Woodwardia fimbriata) showing the sori on the underside, California, USA  -  Visuals Unlimited
01330969
Visuals Unlimited / Western chain fern (Woodwardia fimbriata) showing the sori on the underside, California, USA
Sori of Coastal wood fern (Dryopteris arguta) covered by horseshoe-shaped indusia, Oregon, USA.  -  Visuals Unlimited
01310323
Visuals Unlimited / Sori of Coastal wood fern (Dryopteris arguta) covered by horseshoe-shaped indusia, Oregon, USA.
Sori on a frond of a Southern wood fern (Dryopteris ludoviciana) USA  -  Visuals Unlimited
01310019
Visuals Unlimited / Sori on a frond of a Southern wood fern (Dryopteris ludoviciana) USA
Sori on a frond of a Goldfoot fern (Phlebodium aureum)  -  Visuals Unlimited
01310018
Visuals Unlimited / Sori on a frond of a Goldfoot fern (Phlebodium aureum)
Western sword fern (Polystichum munitum) showing sori and persistent indusia, Western North America.  -  Visuals Unlimited
01306423
Visuals Unlimited / Western sword fern (Polystichum munitum) showing sori and persistent indusia, Western North America.