Fern Encyclopedia
Polystichum luctuosum (Tsushima Holly Fern)
Polystichum luctuosum is a compact, dark-foliaged holly fern of the family Dryopteridaceae native to Japan, Korea, and eastern China. Its bipinnate evergreen fronds of 30 to 60 centimetres form a...
Polystichum luctuosum (Tsushima Holly Fern)
Polystichum luctuosum is a compact, dark-foliaged holly fern of the family Dryopteridaceae native to Japan, Korea, and eastern China. Its bipinnate evergreen fronds of 30 to 60 centimetres form a...
Polystichum lemmonii (Lemmon's Holly Fern, Shas...
Polystichum lemmonii, Lemmon's holly fern, is an advanced-level alpine specialist requiring serpentine or ultramafic substrate with high magnesium and low calcium (Ca:Mg ratio 0.3-0.5). Native to high-elevation outcrops 1500-2500m from...
Polystichum lemmonii (Lemmon's Holly Fern, Shas...
Polystichum lemmonii, Lemmon's holly fern, is an advanced-level alpine specialist requiring serpentine or ultramafic substrate with high magnesium and low calcium (Ca:Mg ratio 0.3-0.5). Native to high-elevation outcrops 1500-2500m from...
Polystichum makinoi (Makinoi's Holly Fern)
Polystichum makinoi (Makinoi's Holly Fern) is a cold-hardy, evergreen shade fern from temperate East Asia, forming elegant vase-shaped rosettes 45-60cm tall. Distinguished by glossy dark green fronds with distinctive purple-brown...
Polystichum makinoi (Makinoi's Holly Fern)
Polystichum makinoi (Makinoi's Holly Fern) is a cold-hardy, evergreen shade fern from temperate East Asia, forming elegant vase-shaped rosettes 45-60cm tall. Distinguished by glossy dark green fronds with distinctive purple-brown...
Polystichum lonchitis (Holly Fern, Northern Hol...
Polystichum lonchitis (Holly Fern) is a circumpolar arctic-alpine evergreen fern forming elegant shuttlecock rosettes of stiff, glossy, pinnate fronds 25-60 cm tall with distinctive holly-like spiny margins. Native to cool...
Polystichum lonchitis (Holly Fern, Northern Hol...
Polystichum lonchitis (Holly Fern) is a circumpolar arctic-alpine evergreen fern forming elegant shuttlecock rosettes of stiff, glossy, pinnate fronds 25-60 cm tall with distinctive holly-like spiny margins. Native to cool...
Polystichum craspedosorum (Margin-Sorate Holly ...
Polystichum craspedosorum, the Margin-Sorate Holly Fern, is a miniature epilithic fern of the family Dryopteridaceae native to Japan, Korea, and eastern China. Its simply pinnate evergreen fronds of only 10...
Polystichum craspedosorum (Margin-Sorate Holly ...
Polystichum craspedosorum, the Margin-Sorate Holly Fern, is a miniature epilithic fern of the family Dryopteridaceae native to Japan, Korea, and eastern China. Its simply pinnate evergreen fronds of only 10...
Polystichum kruckebergii (Kruckeberg's Holly Fern)
Polystichum kruckebergii, Kruckeberg's holly fern, is a diminutive alpine specialist endemic to serpentine and ultramafic substrates across western North America from Alaska to California. This 10-25 cm evergreen fern, characterized...
Polystichum kruckebergii (Kruckeberg's Holly Fern)
Polystichum kruckebergii, Kruckeberg's holly fern, is a diminutive alpine specialist endemic to serpentine and ultramafic substrates across western North America from Alaska to California. This 10-25 cm evergreen fern, characterized...