Fern Encyclopedia
Polystichum scopulinum (Rock Sword Fern, Mounta...
Polystichum scopulinum, the Rock Sword Fern, inhabits some of the most challenging environments available to temperate ferns, thriving in exposed rock crevices across western North American mountains from British Columbia...
Polystichum scopulinum (Rock Sword Fern, Mounta...
Polystichum scopulinum, the Rock Sword Fern, inhabits some of the most challenging environments available to temperate ferns, thriving in exposed rock crevices across western North American mountains from British Columbia...
Polystichum setigerum (Alaska Holly Fern, Brist...
Polystichum setigerum, the Alaska holly fern, represents a hexaploid evolutionary success story arising from hybridization between western sword fern and Braun's holly fern in post-glacial coastal corridors. This evergreen species...
Polystichum setigerum (Alaska Holly Fern, Brist...
Polystichum setigerum, the Alaska holly fern, represents a hexaploid evolutionary success story arising from hybridization between western sword fern and Braun's holly fern in post-glacial coastal corridors. This evergreen species...
Polystichum neolobatum (Asian Saber Fern, Long-...
Polystichum neolobatum, the Asian Saber Fern or Long-eared Holly Fern, is a cold-hardy evergreen species native to the montane forests of China, Japan, and Korea, thriving at 1,500-2,500 meters elevation....
Polystichum neolobatum (Asian Saber Fern, Long-...
Polystichum neolobatum, the Asian Saber Fern or Long-eared Holly Fern, is a cold-hardy evergreen species native to the montane forests of China, Japan, and Korea, thriving at 1,500-2,500 meters elevation....
Polystichum munitum (Western Sword Fern)
Polystichum munitum, the western sword fern, dominates the understory of Pacific Northwest coniferous forests from Alaska to California, forming evergreen carpets of dark green, sword-shaped fronds reaching 90-120 cm tall....
Polystichum munitum (Western Sword Fern)
Polystichum munitum, the western sword fern, dominates the understory of Pacific Northwest coniferous forests from Alaska to California, forming evergreen carpets of dark green, sword-shaped fronds reaching 90-120 cm tall....
Polystichum setiferum (Soft Shield Fern)
Polystichum setiferum, the Soft Shield Fern, is an evergreen European native hardy to −20°C (USDA 6–9) with arching bipinnate fronds 60–120 cm long, diagnostic stalked pinnules bearing a basal ‘thumb’...
Polystichum setiferum (Soft Shield Fern)
Polystichum setiferum, the Soft Shield Fern, is an evergreen European native hardy to −20°C (USDA 6–9) with arching bipinnate fronds 60–120 cm long, diagnostic stalked pinnules bearing a basal ‘thumb’...
Polystichum mayebarae (Mayebara's Holly Fern)
Polystichum mayebarae, Mayebara's Holly Fern, is a rare Japanese endemic of the family Dryopteridaceae found in the montane forests of Honshu, Shikoku, and Kyushu. Its compact bipinnate evergreen fronds of...
Polystichum mayebarae (Mayebara's Holly Fern)
Polystichum mayebarae, Mayebara's Holly Fern, is a rare Japanese endemic of the family Dryopteridaceae found in the montane forests of Honshu, Shikoku, and Kyushu. Its compact bipinnate evergreen fronds of...