Links to genera Ferns and Horsetails (Monilophytes) Clubmosses and Quillworts (Lycophytes)
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| Asplenium trichomanes subsp. quadrivalens • Common Maidenhair Spleenwort
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| Asplenium trichomanes L. subsp. quadrivalens D.E.Meyer emend. Lovis; Common Maidenhair Spleenwort
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| On limestone pavement, Cumbria, July |
 | On limestone pavement, Cumbria, July |
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| Close-up of part of frond. Oxford, April |
 | Close-up of part of frond. Oxford, April |
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| North Yorkshire, late July |
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North Yorkshire, late July |
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| Shady habitat. Devon, September |
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Exposed habitat. Monmouthshire, late June |
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| Typical urban brick wall habitat. Oxfordshire, July |
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Urban mortared limestone wall habitat, Cumbria, December |
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| In limestone wall. Cumbria, December |
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On limestone pavement. Cumbria, December |
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| North Yorkshire, late July |
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