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