Herbaceous Plants, Lab 9: Ferns

Adiantum pedatum, northern maidenhair fern, Pteridaceae

false indusium, lacey, feathery pinnae

Athyrium filix-femina, lady fern, Athyriaceae

j-shaped sori, deciduous, grooved v-shaped stipe, clumping habit

Athyrium ‘Ghost’, ghost fern, Athyriaceae

j-shaped sori, silvery grey foliage, upright habit, crispy

Dennstaedtia punctilobula, hay-scented fern, Dennstaedtiaceae

pale green-yellow foliage, no central crown, weedy, lacy foliage

Dryopteris erythrosora, autumn fern, Dryopteridacaeae

round sori, shorter, reddish sori

Dryopteris filix-mas, male fern, Dryopteridaceae

round sori, sori closer to the margin than the margin,

Dryopteris marginalis, marginal wood fern, Dryopteridaceae

sori on margins, clumping, based from one central rosette

Matteuccia struthiopteris, ostrich fern, Onocleaceae

often no spores, separate sterile and fertile fronds, feathery fronds, based from a central rosette, woody base

Onoclea sensibilis, sensitive fern, Onocleaceae

running fern, not from a central rosette, separate sterile and fertile fronds

Osmunda regalis, royal fern, Osmundaceae

large fronds, light green foliage, wetland fern

Polystichum acrostichoides, Christmas fern, Dryopteridaceae

evergreen, larger pinnae, scaled

Polystichum polyblepharum, tassel fern, Dryopteridaceae

evergreen, fuzzy underside of stipe, scattered round sori, stems from one central rosette, non-native, clumping