Links to genera Ferns and Horsetails (Monilophytes) Clubmosses and Quillworts (Lycophytes)
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| Ophioglossum vulgatum • Common Adderstongue
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| Ophioglossum vulgatum L.; Common Adderstongue
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| Young frond, without spike. Oxford, May |
 | Frond with developing spike. Oxford, May |
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| Frond with developing spike. Oxford, May |
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Frond with developing spike. Oxford, May |
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| Derbyshire, May |
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North York Moors |
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| North York Moors |
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North York Moors |
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| Developing spike. Oxford, May |
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Frond with mature spike. Oxford, June |
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| Mature spike, Oxford, June |
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Close-up of mature spike. Oxford, June |
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| Developing spike. Edinburgh, early August |
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Spike with additional secondary spike. Edinburgh, early August |
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| Immature spike. Edinburgh, early August |
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Mature spike. Edinburgh, early August |
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