WebCystopteris is a taxonomically difficult genus at the species level. Especially troublesome is the worldwide and polymorphic species C. fragilis sensu lato. To maintain it as a single species with several varieties would be easiest (and least controversial). This approach, however, may not accurately reflect true evolutionary history. WebThe Tennessee-Kentucky Plant Atlas is a source of data for the distribution of plants within the state as well as taxonomic, conservation, invasive, and wetland …

2013 BONAP North American Plant Atlas. TaxonMaps

WebMackay's fragile fern is a hybrid whose parents were, most likely, Southern fragile fern (Cystopteris protrusa) and an extinct relative of fragile fern . Habitat Cliffs, balds, or ledges, ridges or ledges, talus and rocky slopes Characteristics Habitat terrestrial New England state Connecticut Maine Massachusetts New Hampshire Rhode Island Vermont WebJul 13, 2024 · Cystopteris protrusa, commonly called fragile fern, is a small, somewhat airy, deciduous, Missouri native fern which occurs in rich woods, slopes, valleys and along streams throughout the State. Typically grows 6-15" tall. Features finely cut, bi-pinnate to tri-pinnate, erect to arching fronds. how to save downloaded pdf file

A "Filmy Fern" in the Genus Cystopteris

WebCystopteris protrusa is a common fern of North America, commonly known as the lowland bladderfern, lowland brittle fern or lowland fragile fern. (Source: Wikipedia, '', … WebCystopteris protrusa, commonly called fragile fern, is a small, somewhat airy, deciduous, Missouri native fern which occurs in rich woods, slopes, valleys and along streams throughout the State. Typically grows 6-15" tall. Features finely cut, bi-pinnate to tri … WebThe ultrastructure of the spore surface of 6 species Cystopteris Bernh. The ultrastructure of the spore surface of 6 species Cystopteris Bernh. subgenus Cystopteris (Cystopteridaceae): C. almaatensis Kotukhov, C. altajensis Gureeva, C. dickieana R. Sim, C. fragilis (L.) Bernh. C. gureevae Stepanov , C. protrusa (Weatherby) Blasdell was … north face corporate wear