Links to genera Ferns and Horsetails (Monilophytes) Clubmosses and Quillworts (Lycophytes)
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| Cystopteris diaphana • Diaphanous Bladder Fern
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| Cystopteris diaphana (Bory) Blasdell; Cystopteris viridula (Desv.) Desv.; Diaphanous Bladder Fern
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| Single frond. Cornwall, late June |
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Single frond, underside. Cornwall, late June |
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| Single frond. Devon, September |
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Single frond. Cultivated material, early June |
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| Close-up of part of frond showing pinnae. Cultivated material, early June |
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Close-up of part of frond showing pinnae. Cultivated material, early June |
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| Underside of frond showing sori. |
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Underside of frond showing sori. |
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| Close-up of pinnae |
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Close-up of pinnae showing vein endings, cultivated material, early June |
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| Upper part of frond. Devon, September |
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Plants in riverbank. Cornwall, late June |
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| Plants in riverbank. Cornwall, late June |
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Plants in riverbank. Cornwall, late June |
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| Plants in riverbank. Cornwall, late June |
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Devon, September |
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| Devon, September |
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Plants in riverbank. Cornwall, late June |
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