| 5477139 |
interrupted fern |
Osmunda claytoniana |
Osmunda claytoniana, interrupted fern, late May - NOTE characteristic reduced fertile 'pinna' |
| 5476173 |
purple cliffbrake |
Pellaea atropurpurea |
Pellaea atropurpurea - purple stemmed cliff-brake - early September (maidenhair spleenwort also present) |
| 5477025 |
cinnamon fern |
Osmunda cinnamomea |
cinnamon fern, dead frond showing small tuft of hairs at base of pinna (abaxial), late September, swamp - predominantly eastern white cedar |
| 5476161 |
purple cliffbrake |
Pellaea atropurpurea |
Pellaea atropurpurea - purple stemmed cliff-brake - note 'short hairs' on rachis - early September |
| 5476172 |
maidenhair spleenwort |
Asplenium trichomanes |
Asplenium trichomanes - maidenhair spleenwort - distinctive sori on overturned frond |
| 5476171 |
maidenhair spleenwort |
Asplenium trichomanes |
Asplenium trichomanes - maidenhair spleenwort |
| 5476163 |
purple cliffbrake |
Pellaea atropurpurea |
Pellaea atropurpurea - purple stemmed cliff-brake - note the rolled-under lateral margin of pinnules bearing the sporangia - early September |
| 5476162 |
purple cliffbrake |
Pellaea atropurpurea |
Pellaea atropurpurea - purple stemmed cliff-brake - developing fronds - early September |
| 5475667 |
eastern marsh fern |
Thelypteris palustris |
Thelypteris palustris - marsh fern sterile frond |
| 5475668 |
eastern marsh fern |
Thelypteris palustris |
Thelypteris palustris - marsh fern - fertile frond |
| 5475340 |
spinulose woodfern |
Dryopteris carthusiana |
Dryopteris carthusiana - spinulose woodfern |
| 5475395 |
northern hollyfern |
Polystichum lonchitis |
Polystichum lonchitis - northern holly fern |
| 5475339 |
spinulose woodfern |
Dryopteris carthusiana |
Dryopteris carthusiana - spinulose woodfern; lowest pair of pinna |
| 5474932 |
Braun's hollyfern |
Polystichum braunii |
Polystichum braunii - Braun's holly fern |
| 5474929 |
Braun's hollyfern |
Polystichum braunii |
Polystichum braunii - Braun's holly fern |
| 5474518 |
rusty woodsia |
Woodsia ilvensis |
Woodsia ilvensis; late July |
| 5474517 |
rusty woodsia |
Woodsia ilvensis |
Woodsia ilvensis; late July |
| 5472580 |
rusty woodsia |
Woodsia ilvensis |
Woodsia ilvensis (rusty woodsia); mid-May |
| 5472562 |
rusty woodsia |
Woodsia ilvensis |
Woodsia ilvensis (rusty woodsia); mid-May |
| 5473973 |
upland brittle bladderfern |
Cystopteris tenuis |
Cystopteris tenuis (Mackay’s fragile fern) |
| 5473974 |
upland brittle bladderfern |
Cystopteris tenuis |
Cystopteris tenuis (Mackay’s fragile fern) |
| 5473972 |
upland brittle bladderfern |
Cystopteris tenuis |
Cystopteris tenuis (Mackay’s fragile fern) |
| 5473969 |
northern maidenhair fern |
Adiantum pedatum |
Adiantum pedatum (maidenhair fern) |
| 5473968 |
northern maidenhair fern |
Adiantum pedatum |
Adiantum pedatum (maidenhair fern) |
| 5444830 |
crested woodfern |
Dryopteris cristata |
Dryopteris cristata (Crested Shield Fern) |
| 5444831 |
crested woodfern |
Dryopteris cristata |
Dryopteris cristata (Crested Shield Fern) fertile pinna |
| 5444833 |
crested woodfern |
Dryopteris cristata |
Dryopteris cristata (Crested Shield Fern); note upturned pinna running parallel to the ground, typical of a fertile frond |
| 5443107 |
maidenhair spleenwort |
Asplenium trichomanes |
maidenhair spleenwort (Asplenium trichomanes) sori (Aug 11) |
