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J Sommer: Blunt-leaved Grape-Fern (Sceptridium oneidense)
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J Sommer: Blunt-leaved Grape-Fern (Sceptridium oneidense)
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J Sommer: Bracken Fern (Pteridium aquilinum)
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J Sommer: Broad Beech-Fern (Phegopteris hexagonoptera)
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J Sommer: Bulblet Fern (Cystopteris bulbifera)
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J Sommer: Bulblet Fern (Cystopteris bulbifera)
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J Sommer: Christmas Fern (Polystichum acrostichoides)
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J Sommer: Cinnamon Fern (Osmunda cinnamomea)
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J Sommer: Clinton's Woodfern (Dryopteris clintoniana)
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J Sommer: Clinton's Woodfern (Drtopteris clintoniana)
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J Sommer: Common Polypody (Polypodium virginianum)
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J Sommer: Crested Shield Fern (Dryopteris cristata)
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J Sommer: Cut-leaved Grape-Fern (Sceptridium dissectum)
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J Sommer: Cut-leaved Grape-Fern (Sceptridium dissectum)
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J Sommer: Daisy-leaved Moonwort (Botrychium matricariifolium)
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J Sommer: Dwarf Scouring Rush (Equisetum scirpoides)
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J Sommer: Ebony Spleenwort (Asplenium platyneuron)
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J Sommer: Ebony Spleenwort (Asplenium platyneuron)
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J Sommer: Evergreen Woodfern (Dryopteris intermedia)
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J Sommer: Goldie's Woodfern (Dryopteris goldiana)
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J Sommer: Ground Cedar (Diphasiastrum digitatum)
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J Sommer: Ground Pine (Dendrolycopodium obscurum)
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J Sommer: Interrupted Fern (Osmudna claytoniana)
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J Sommer: Lady Fern (Athyrium filix-femina)
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J Sommer: Mackay's Fragile Fern (Cystopteris tenuis)
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J Sommer: Maidenhair Fern (Adiantum pedatum)
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J Sommer: Maidenhair Fern (Adiantum pedatum)
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J Sommer: Marginal Woodfern (Dryopteris marginalis)
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J Sommer: Marginal Woodfern (Dryopteris marginalis)
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J Sommer: Marsh Fern (Thelypteris palustris)