Ophioglossum azoricum is an Atlantic–Mediterranean species native to islands in the northern Atlantic Ocean and adjacent western and southwestern Europe from Greenland, Iceland and the British Isles in the north, to Macaronesia and the Iberian Peninsula in the south. It also occurs in the Toscana region of Italy, Poland, the Czech Republic, and east to Cyprus, Turkey and Lebanon.[1]
This species mostly occurs on bare or shortly vegetated ground on exposed coastal clifftops. An exception to this habitat preference is populations in the New Forest, Hampshire, where plants occur in tightly grazed damp grassland in a non-maritime setting.[2]
In Iceland[3] and Greenland,[4] it is restricted to geothermal areas where higher temperatures allow its survival. This species is on the Icelandic list of endangered species.
Descriptionedit
The frond of Ophioglossum azoricum consists of a single, pointed leaf blade and a narrow pointed spore-bearing spike on a stalk. The spike has about 4–18 segments on each side, each of which opens up when ripe to release spores. The sterile blades are broadest near the middle and taper towards both ends.
Taxonomyedit
This taxon is sometimes treated as a subspecies of Ophioglossum vulgatum, as Ophioglossum vulgatum ssp. ambiguum (Coss. & Germ.) E.F. Warburg.
This species is thought to be derived from a hybrid between Ophioglossum vulgatum and Ophioglossum lusitanicum.[5]
This species has a chromosome number of 2n=c.480.[5]
Referencesedit
^ abChristenhusz, M., Bento Elias, R., Dyer, R., Ivanenko, Y., Rouhan, G., Rumsey, F. & Väre, H. (2011). "Ophioglossum azoricum". IUCN Red List of Threatened Species. 2011: e.T83610391A85446988. Retrieved 8 December 2020.{{cite journal}}: CS1 maint: multiple names: authors list (link)
^[1]Ophioglossum azoricum at Online Atlas of the British and Irish Flora
^Löve Á. (1983) Flora of Iceland.Almenna Bókafélagid
^Lid J, Lid DT, Elven R. 1994 Norsk flora. 6th edition. Oslo: Det Norske Samlaget
^ abStace, Clive (1997). New Flora of The British Isles, second edition. Cambridge: Cambridge University Press
External linksedit
BSBI map: Distribution of Ophioglossum azoricum in the British Isles
"The Ferns (Filicopsida) of the British Isles" — Ophioglossum azoricum — by L. Watson and M. J. Dallwitz.
West Highland Flora: species account for 'Ophioglossum azoricum
Wikimedia Commons has media related to Ophioglossum azoricum.
April 12, 2024
ophioglossum, azoricum, small, adder, tongue, fern, lesser, adder, tongue, fern, small, fern, family, ophioglossaceae, coastal, grassland, dooncarton, county, mayo, irelandconservation, statusleast, concern, iucn, scientific, classificationkingdom, plantaeclad. Ophioglossum azoricum the small adder s tongue fern or lesser adder s tongue fern is a small fern of the family Ophioglossaceae Ophioglossum azoricumIn coastal grassland Dooncarton County Mayo IrelandConservation statusLeast Concern IUCN 3 1 1 Scientific classificationKingdom PlantaeClade TracheophytesDivision PolypodiophytaClass PolypodiopsidaOrder OphioglossalesFamily OphioglossaceaeGenus OphioglossumSpecies O azoricumBinomial nameOphioglossum azoricumC Presl 1984SynonymsOphioglossum vulgatum L subsp ambiguum Coss amp Germ E F Warb Ophioglossum sabulicolum Sauze amp Maillard Ophioglossum vulgatum L subsp vulgatum var minus Ostenf amp J Grontved Ophioglossum vulgatum L subsp vulgatum var islandicum A A Love amp D Love Ophioglossum vulgatum L subsp polyphyllum auct non A Braun Ophioglossum sabulicola Sauze Contents 1 Distribution 2 Description 2 1 Taxonomy 3 References 4 External linksDistribution editOphioglossum azoricum is an Atlantic Mediterranean species native to islands in the northern Atlantic Ocean and adjacent western and southwestern Europe from Greenland Iceland and the British Isles in the north to Macaronesia and the Iberian Peninsula in the south It also occurs in the Toscana region of Italy Poland the Czech Republic and east to Cyprus Turkey and Lebanon 1 This species mostly occurs on bare or shortly vegetated ground on exposed coastal clifftops An exception to this habitat preference is populations in the New Forest Hampshire where plants occur in tightly grazed damp grassland in a non maritime setting 2 In Iceland 3 and Greenland 4 it is restricted to geothermal areas where higher temperatures allow its survival This species is on the Icelandic list of endangered species Description editThe frond of Ophioglossum azoricum consists of a single pointed leaf blade and a narrow pointed spore bearing spike on a stalk The spike has about 4 18 segments on each side each of which opens up when ripe to release spores The sterile blades are broadest near the middle and taper towards both ends Taxonomy edit This taxon is sometimes treated as a subspecies of Ophioglossum vulgatum as Ophioglossum vulgatum ssp ambiguum Coss amp Germ E F Warburg This species is thought to be derived from a hybrid between Ophioglossum vulgatum and Ophioglossum lusitanicum 5 This species has a chromosome number of 2n c 480 5 References edit a b Christenhusz M Bento Elias R Dyer R Ivanenko Y Rouhan G Rumsey F amp Vare H 2011 Ophioglossum azoricum IUCN Red List of Threatened Species 2011 e T83610391A85446988 Retrieved 8 December 2020 a href Template Cite journal html title Template Cite journal cite journal a CS1 maint multiple names authors list link 1 Ophioglossum azoricum at Online Atlas of the British and Irish Flora Love A 1983 Flora of Iceland Almenna Bokafelagid Lid J Lid DT Elven R 1994 Norsk flora 6th edition Oslo Det Norske Samlaget a b Stace Clive 1997 New Flora of The British Isles second edition Cambridge Cambridge University PressExternal links editBSBI map Distribution of Ophioglossum azoricum in the British Isles The Ferns Filicopsida of the British Isles Ophioglossum azoricum by L Watson and M J Dallwitz West Highland Flora species account for Ophioglossum azoricum nbsp Wikimedia Commons has media related to Ophioglossum azoricum Retrieved from https en wikipedia org w index php title Ophioglossum azoricum amp oldid 1163197929, wikipedia, wiki, book, books, library,
