| Cystopteris diaphana | |
|---|---|
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Division: | Polypodiophyta |
| Class: | Polypodiopsida |
| Order: | Polypodiales |
| Suborder: | Aspleniineae |
| Family: | Cystopteridaceae |
| Genus: | Cystopteris |
| Species: | C. diaphana |
| Binomial name | |
| Cystopteris diaphana (Bory) Blasdell | |
Cystopteris diaphana, the greenish bladder-fern [1] or diaphanous bladder-fern, is a fern in the family Cystopteridaceae.
It is found locally on the Atlantic seaboard of Europe.
The species was found for the first time in Britain in February 2000 on the banks of the River Camel in Cornwall (Murphy & Rumsey, 2005). [2] [3]
The Botanical Society of Britain and Ireland (BSBI) is a scientific society for the study of flora, plant distribution and taxonomy relating to Great Britain, Ireland, the Channel Islands and the Isle of Man. The society was founded as the Botanical Society of London in 1836, and became the Botanical Society of the British Isles, eventually changing to its current name in 2013. It includes both professional and amateur members and is the largest organisation devoted to botany in the British Isles. Its history is recounted in David Allen's book The Botanists.
The Caha Mountains are a range of low sandstone mountains situated on the Beara peninsula in south-west County Cork, in Ireland. The highest peak is Hungry Hill, 685 m (2,247 ft) tall. Other notable peaks include Knocknagree, Sugarloaf Mountain, Eskatarriff, Knocknaveacal, Derryclancy, Nareera, Killane Mountain and Baurearagh Mountain.
Polystichum setiferum, the soft shield fern, is an evergreen or semi-evergreen fern native to southern and western Europe. The stalks and most midribs are coated with attractive cinnamon-brown scales. The Latin specific epithet setiferum means “with bristles”.
Harptree Combe is a 13.63-hectare (33.68-acre) Site of Special Scientific Interest (SSSI) near East Harptree notified in 1954. "Combe" or "coombe" is a West Country word meaning a steep-sided valley. It is also the site of a 19th-century aqueduct and is overlooked by the site of a castle dating from around 1100.
Cystopteris is a genus of ferns in the family Cystopteridaceae. These are known generally as bladderferns or fragile ferns. They are found in temperate areas worldwide. This is a very diverse genus and within a species individuals can look quite different, especially in harsh environments where they experience stress and remain small and stunted. Also, they hybridize easily with each other. Identifying an individual can be challenging. In general these are rhizomatous perennials which may grow in rocky areas or in soil. Their leaves are multiply pinnate, in that each leaflet is divided into smaller parts. The sori are usually rounded and are covered in an inflated bladder-like indusium.
The flora of Scotland is an assemblage of native plant species including over 1,600 vascular plants, more than 1,500 lichens and nearly 1,000 bryophytes. The total number of vascular species is low by world standard but lichens and bryophytes are abundant and the latter form a population of global importance. Various populations of rare fern exist, although the impact of 19th-century collectors threatened the existence of several species. The flora is generally typical of the north west European part of the Palearctic realm and prominent features of the Scottish flora include boreal Caledonian forest, heather moorland and coastal machair. In addition to the native varieties of vascular plants there are numerous non-native introductions, now believed to make up some 43% of the species in the country.
Asplenium ceterach is a fern species commonly known as rustyback.
Vandenboschia speciosa, synonym Trichomanes speciosum, commonly known as the Killarney fern, is a species of fern found widely in Western Europe. It is most abundant in Ireland, the United Kingdom, Brittany, Galicia, Canary Islands, Madeira and the Azores, but is also found in other locations including France, Spain, Portugal and Italy. It is a relict endemic European species with a disjunct distribution, having had a much wider distribution before the climate changes of the Tertiary and Quaternary periods.
Cystopteris dickieana, commonly known as Dickie's bladder-fern, is a fern with a wide distribution in the Northern Hemisphere. There is debate amongst botanists as to whether it is a species in its own right or a variant of C. fragilis.
Pteridomania or Fern-Fever was a Victorian craze for ferns. Decorative arts of the period presented the fern motif in pottery, glass, metal, textiles, wood, printed paper, and sculpture, with ferns "appearing on everything from christening presents to gravestones and memorials".
Cystopteris fragilis is a species of fern known by the common names brittle bladder-fern and common fragile fern. It can be found worldwide, generally in shady, moist areas. The leaves are up to 30 or 40 centimeters long and are borne on fleshy petioles. Each leaf is divided into many pairs of leaflets, each of which is subdivided into lobed segments. The underside of the leaf has many rounded sori containing the sporangia.
Orobanche minor, the hellroot, common broomrape, lesser broomrape, small broomrape or clover broomrape, is a holoparasitic flowering plant belonging to the genus Orobanche; a genus of about 150 non-photosynthetic plants that parasitize other autotrophic plants.
Cystopteris alpina is a fern in the family Cystopteridaceae. It is closely related to C. fragilis and has been treated as conspecific with that species by many authors. However, according to the Flora of North America, it is an allopolyploid species of hybrid origin, with Cystopteris montana as one probable parent. It is known to hybridise with C. fragilis in Scandinavia and intermediate plants possibly of hybrid origin are known from North Wales.
Pilularia globulifera, or pillwort, is an unusual species of fern in the family Marsileaceae. It is native to western Europe, where it grows at the edges of lakes, ponds, ditches and marshes, on wet clay or clay-sand soil, sometimes in water up to 30 cm (12 in) deep.
Dryopteris dilatata, the broad buckler-fern, is a robust species of deciduous or semievergreen fern in the family Dryopteridaceae, native to Europe, particularly western and central Europe. In southern Europe, it is mostly found in mountainous regions. It is also found between the Black Sea and the Caspian Sea. It grows to 90 cm (35 in) tall by 120 cm (47 in) wide, with dark green tripinnate fronds, the ribs covered in brown scales.
Polypodium cambricum, the southern polypody, limestone polypiody, or Welsh polypody, is a species of fern in the family Polypodiaceae, native to southern and western Europe where it grows on shady rocks, near the coasts of the Mediterranean Basin and in the mountains of Atlantic Europe. It is a spreading, terrestrial, deciduous fern growing to 60 centimetres (24 in) tall, with pinnate fronds. The sori are yellow in winter.
Woodwardia radicans, the chain fern, European chain fern or rooting chainfern, is a species of fern in the family Blechnaceae, mainly found in Macaronesia and southwestern Europe, but is also found in southern Italy and Crete. Growing to 1.8 m (6 ft) tall by 2 m (7 ft) broad, it is evergreen with arching fronds. The pinnae have curved, finely-toothed segments. The plant derives its common name from the linked sori on the undersides of the fronds.
Davallia canariensis, the hare's-foot fern, is a species of fern in the family Davalliaceae. It is endemic to Macaronesia and the Iberian Peninsula. It grows well in a sunny atmosphere and amongst rocks.
Hymenophyllum tunbrigense, the Tunbridge filmy fern or Tunbridge filmy-fern, is a small, fragile perennial leptosporangiate fern which forms large dense colonies of overlapping leaves from creeping rhizomes. The common name derives from the leaves which are very thin, only a single cell thick, and translucent, giving the appearance of a wet film. The evergreen fronds are bipinnatifid, deeply and irregularly dissected, about 3 to 6 cm long, 2 cm across with dark winged stipes. In contrast to the similar H. wilsonii the fronds are more divided, flattened, appressed to the substrate and tend to have a bluish tint.
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