Links to genera Ferns and Horsetails (Monilophytes) Clubmosses and Quillworts (Lycophytes)
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| Polystichum lonchitis • Holly Fern
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| Polystichum lonchitis (L.) Roth; Holly Fern
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| Single frond. Western Scotland (Argyll), early July |
 | Single frond, underside showing sori. Western Scotland (Argyll), early July |
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| Mid section of frond, underside showing sori. Western Scotland (Argyll), early August |
 | Underside of pinnae showing sori, some sporangia approaching ripeness. Western Scotland (Argyll), early August |
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| Detail of frond showing pinnae. Yorkshire, late July |
 | Yorkshire, late July |
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| Yorkshire, late July |
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In limestone pavement. Yorkshire, late July |
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| Western Scotland (Argyll), early August |
 | Western Scotland (Argyll), early July |
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| Western Scotland (Argyll), early July |
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Western Scotland (Argyll), early August |
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| Western Scotland (Argyll), early August |
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An unusual conjunction of Holly Fern, Green Spleenwort and Hard Fern: peaty soil meets the edge of limestone pavement, Yorkshire |
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