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The most striking and unusual feature of the fern is its simple, strap-shaped undivided fronds. The supposed resemblance of the leaves to the tongue of a hart (an archaic term for a male red deer) gave rise to the common name "hart's-tongue fern". Asplenium scolopendrium. Asplenium scolopendrium sori. Asplenium scolopendrium prothallus
One author has claimed that the conversion of Clark Reservation into a state park in 1926 occurred because of interest in preserving the American hart's tongue fern. [21] In 1930, a state law was passed protecting hart's tongue fern in Onondaga County and also neighboring Madison County ; [ 22 ] nonetheless, destruction of habitat in the nearby ...
The Beaver Valley in summer, looking east. Fog drifting off Georgian Bay is not uncommon. While much of the valley is heavily cultivated, it also contains several well-preserved natural habitats and is home to a number of locally and globally rare species, notably American Hart's-tongue fern (Asplenium scolopendrium var. americanum).
Asplenium rhizophyllum, the (American) walking fern, is a frequently-occurring fern native to North America. It is a close relative of Asplenium ruprechtii [ 2 ] (syn: Camptosorus sibiricus ) which is found in East Asia and also goes by the common name of "walking fern".
Entrance to Fern Cave. Fern Cave NWR is named after the eponymous cave located in the region; in it, explorers found an abundance of American hart's-tongue ferns (Asplenium scolopendrium var. americanum); in the modern day, the variation/subspecies is considered federally endangered.
Centered around the former plunge pool of a large ice age-era waterfall. Harbors the largest U.S. population of the endangered American hart's tongue fern. [73] Clay Pit Ponds State Park Preserve: New York City: Richmond: 265 acres (107 ha) 1977 [74] 25,343
N Adiantum aleuticum – western maidenhair fern; ... N Asplenium scolopendrium var. americanum – American Hart's-tongue fern Special Concern;
Split Rock is also known as the locale for the discovery of the American hart's tongue fern by Frederick Pursh in 1807. [6] This fern is endangered in the United States. Its habitat in Split Rock as well as the remains of the limestone quarry and the munitions factory are preserved as a 32-acre (13-hectare) New York State Unique Area. [7]