Fern Encyclopedia

Phegopteris hexagonoptera (Broad Beech Fern)

Phegopteris hexagonoptera, the Broad Beech Fern, is the signature horizontally-textured deciduous fern of the eastern North American mixed mesophytic forest, carpeting humus-rich mesic slopes beneath American beech, sugar maple, basswood,...

Phegopteris hexagonoptera (Broad Beech Fern)

Phegopteris hexagonoptera, the Broad Beech Fern, is the signature horizontally-textured deciduous fern of the eastern North American mixed mesophytic forest, carpeting humus-rich mesic slopes beneath American beech, sugar maple, basswood,...

Phegopteris connectilis (Long Beech Fern, North...

Phegopteris connectilis is a cold-hardy deciduous fern of northern forests, recognizable by its triangular fronds with distinctive downward-pointing basal pinnae and winged rachis. Thriving in USDA zones 2-6 with cool...

Phegopteris connectilis (Long Beech Fern, North...

Phegopteris connectilis is a cold-hardy deciduous fern of northern forests, recognizable by its triangular fronds with distinctive downward-pointing basal pinnae and winged rachis. Thriving in USDA zones 2-6 with cool...

Polypodium calirhiza (Nested Polypody)

Polypodium calirhiza, the Nested Polypody, is a diploid fern endemic to the California Floristic Province, recognized as a distinct species only in 1991 on the basis of its unique deeply...

Polypodium calirhiza (Nested Polypody)

Polypodium calirhiza, the Nested Polypody, is a diploid fern endemic to the California Floristic Province, recognized as a distinct species only in 1991 on the basis of its unique deeply...

Polypodium amorphum (Irregular Polypody)

Polypodium amorphum, the Irregular Polypody, is an allotetraploid fern of western North America that combines the genomes of two diploid Polypodium species and occupies a broad ecological range from sea-level...

Polypodium amorphum (Irregular Polypody)

Polypodium amorphum, the Irregular Polypody, is an allotetraploid fern of western North America that combines the genomes of two diploid Polypodium species and occupies a broad ecological range from sea-level...

Polypodium australe (Southern Polypody)

Polypodium australe, the Southern Polypody, is a diploid limestone-loving fern of the Mediterranean Basin, Macaronesia, and the mild Atlantic fringe of western Europe. Producing deeply pinnatifid wintergreen fronds of 20...

Polypodium australe (Southern Polypody)

Polypodium australe, the Southern Polypody, is a diploid limestone-loving fern of the Mediterranean Basin, Macaronesia, and the mild Atlantic fringe of western Europe. Producing deeply pinnatifid wintergreen fronds of 20...

Polypodium appalachianum (Appalachian Polypody,...

Polypodium appalachianum, the Appalachian Polypody, is a diploid (2n=74) eastern North American fern of shaded boulders, cliff faces, and acidic rock outcrops from the Canadian Maritimes through the Appalachian Mountains...

Polypodium appalachianum (Appalachian Polypody,...

Polypodium appalachianum, the Appalachian Polypody, is a diploid (2n=74) eastern North American fern of shaded boulders, cliff faces, and acidic rock outcrops from the Canadian Maritimes through the Appalachian Mountains...