Sebastian Kennerknecht / Coast Live Oak (Quercus agrifolia) trees and Sword Ferns (Polystichum munitum) in mixed evergreen forest, Point Reyes National Seashore, California
00499787
Sebastian Kennerknecht / Sword Fern (Polystichum munitum), Point Reyes National Seashore, California
00476917
Piotr Naskrecki / Rock Polypody (Polypodium virginianum) leaf, Massachusetts
00450787
Chien Lee / Giant Staghorn Fern (Platycerium wandae) growing on tree trunk, Nabire, Indonesia
00420369
Kevin Schafer / Sword Fern (Polystichum munitum) showing underside with spores, Cascade Mountains, Washington
00780231
Albert Lleal / Common Fern (Polypodium sp) SEM close-up view of sori at 21x magnification
00781456
Theo Allofs / Sword Fern (Polystichum munitum) frond, Redwood National Park, California
00203660
Gerry Ellis / Epiphytic Sword Fern, temperate rainforest, North Pacific coast, North America
00499822
Sebastian Kennerknecht / Coast Live Oak (Quercus agrifolia) trees and Sword Ferns (Polystichum munitum) in mixed evergreen forest, Point Reyes National Seashore, California
00499821
Sebastian Kennerknecht / Coast Live Oak (Quercus agrifolia) trees and Sword Ferns (Polystichum munitum) in mixed evergreen forest, Point Reyes National Seashore, California
00441473
Chien Lee / Common Fern (Platycerium coronarium) an epiphytic fern which collects leaf litter with its basal shield fronds, Lambir Hills National Park, Borneo, Malaysia
