Fern Moss

	Fern Moss Fern moss may refer to several varieties of moss that produce feathery fronds and can form a moss carpet across grass or bare patches of ground: * ''Fissidens bryoides'' – lesser fern moss * ''Hylocomium splendens'' or ''Hylocomium proliferum'' – mountain fern moss * ''Thuidium'' species including: ''Thuidium abietinum'' – wiry fern moss ''Thuidium delicatulum'' – common fern moss ** ''Thuidium recognitum'' – hook-leaf fern moss Possibly also: * ''Drepanocladus'' species including: ''Drepanocladus fluitans'' ''Drepanocladus uncinatus ''Drepanocladus'' is a genus of mosses belonging to the family Amblystegiaceae. It has a cosmopolitan distribution Species The following species are recognised in the genus ''Drepanocladus'': '' Drepanocladus aduncus'' '' Drepanocladus andi ...'' {{Plant common name Mosses ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Hylocomium Splendens In Nature Reserve Ptaci Stena In Autumn 2011 (4) ''Hylocomium'' is a genus of mosses belonging to the family Hylocomiaceae. The genus was first described by Wilhelm Philippe Schimper in 1852. Species: * ''Hylocomium interruptum'' Margadant, 1972 * ''Hylocomium splendens'' W.P. Schimper, 1852 * ''Hylocomiastrum umbratum ''Hylocomiastrum'' is a genus of mosses belonging to the family Hylocomiaceae Hylocomiaceae is a family Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or o ...'' (Ehrh. ex Hedw.) M. Fleisch. References {{Taxonbar, from=Q150290 Hypnales Moss genera ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Fissidens Bryoides ''Fissidens'' is a genus of haplolepideous mosses (Dicranidae) in the family Fissidentaceae. Selected species: * '' Fissidens abbreviatus'' * '' Fissidens acacioides'' * '' Fissidens aciphyllus'' * '' Fissidens acreanus'' * '' Fissidens acutissimus'' * '' Fissidens adianthoides'' * '' Fissidens aeruginosus'' * '' Fissidens afissidens'' * '' Fissidens afropapillosus'' * '' Fissidens aggestus'' * '' Fissidens alatus'' * ''Fissidens albo-limbatus'' * '' Fissidens alexandrinus'' * '' Fissidens allionii'' * '' Fissidens allisonii'' * ''Fissidens allorgei'' * ''Fissidens alomoides'' * ''Fissidens amazonicus'' * ''Fissidens amoenus'' * ''Fissidens amplifolius'' * ''Fissidens ampliretis'' * ''Fissidens andicola'' * ''Fissidens angustelimbatus'' * ''Fissidens angustifolius'' * ''Fissidens angustinervis'' * ''Fissidens anisophyllus'' * '' Fissidens annamensis'' * '' Fissidens anomalus'' * '' Fissidens antrophyi'' * '' Fissidens aoraiensis'' * '' Fissidens aphelotaxifolius'' * '' Fissidens ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
picture info	Hylocomium Splendens ''Hylocomium splendens'', commonly known as glittering woodmoss, splendid feather moss, stairstep moss, and mountain fern moss, is a Perennial plant, perennial Clone (plant), clonal moss with a widespread distribution in Northern Hemisphere boreal ecosystem, boreal forests. It is commonly found in Europe, Russia, Alaska and Canada, where it is often the most abundant moss species. It also grows in the Arctic tundra and further south at higher elevations in, for example, northern California, western Sichuan, East Africa, Australia, New Zealand and the West Indies. In Scotland it is a characteristic species of the Caledonian Forest. Under the UK's national vegetation classification system, pinewood community W18 is named as "Pinus sylvestris-Hylocomium splendens woodland", indicating its significance in this ecosystem. [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Hylocomium Proliferum ''Hylocomium'' is a genus of mosses belonging to the family Hylocomiaceae. The genus was first described by Wilhelm Philippe Schimper in 1852. Species: * ''Hylocomium interruptum'' Margadant, 1972 * ''Hylocomium splendens'' W.P. Schimper, 1852 * ''Hylocomiastrum umbratum ''Hylocomiastrum'' is a genus of mosses belonging to the family Hylocomiaceae Hylocomiaceae is a family Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or o ...'' (Ehrh. ex Hedw.) M. Fleisch. References {{Taxonbar, from=Q150290 Hypnales Moss genera ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Thuidium ''Thuidium'' is a genus of moss in the family Thuidiaceae. The name comes from the genus ''Thuja'' and the Latin suffix -idium, meaning diminutive. This is due to its resemblance to small cedar trees. Description Members of the genus are characterized by creeping, highly branched, pinnate leaves. There are approximately 230 species found distributed in North America, Mexico, West Indies, Central America, South America, Europe, and Asia. Species Species adapted from The Plant List; ''Thuidium abietinum'' '' Thuidium aciculum'' '' Thuidium aculeoserratum'' ''Thuidium algarvicum'' '' Thuidium allenii'' ''Thuidium alvarezianum'' ''Thuidium amblyostomum'' '' Thuidium angustifolium'' '' Thuidium arzobispoae'' '' Thuidium assimile'' ''Thuidium assurgens'' ''Thuidium atlanticum'' ''Thuidium attenuatum'' ''Thuidium austro-serpens'' ''Thuidium bifarium'' ''Thuidium blandowii'' ''Thuidium blepharophyllum'' ''Thuidium bolanderi'' ''Thuidium bonianum'' ... [...More Info...] [...Related Items...] OR:* [Wikipedia] [Google] [Baidu]
	Thuidium Abietinum ''Thuidium'' is a genus of moss in the family Thuidiaceae. The name comes from the genus ''Thuja'' and the Latin suffix -idium, meaning diminutive. This is due to its resemblance to small cedar trees. Description Members of the genus are characterized by creeping, highly branched, pinnate leaves. There are approximately 230 species found distributed in North America, Mexico, West Indies, Central America, South America, Europe, and Asia. Species Species adapted from The Plant List; ''Thuidium abietinum'' '' Thuidium aciculum'' '' Thuidium aculeoserratum'' ''Thuidium algarvicum'' '' Thuidium allenii'' ''Thuidium alvarezianum'' ''Thuidium amblyostomum'' '' Thuidium angustifolium'' '' Thuidium arzobispoae'' '' Thuidium assimile'' ''Thuidium assurgens'' ''Thuidium atlanticum'' ''Thuidium attenuatum'' ''Thuidium austro-serpens'' ''Thuidium bifarium'' ''Thuidium blandowii'' ''Thuidium blepharophyllum'' ''Thuidium bolanderi'' ''Thuidium bonianum'' ... [...More Info...] [...Related Items...] OR:* [Wikipedia] [Google] [Baidu]
	Thuidium Delicatulum ''Thuidium delicatulum'', also known as the delicate fern moss or common fern moss, is a widespread species of moss in the family Thuidiaceae. It is found in North and South America from Alaska Alaska ( ; russian: Аляска, Alyaska; ale, Alax̂sxax̂; ; ems, Alas'kaaq; Yup'ik: ''Alaskaq''; tli, Anáaski) is a state located in the Western United States on the northwest extremity of North America. A semi-exclave of the U.S., ... to Brazil. References Hypnales Plants described in 1801 {{Bryophyte-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Thuidium Recognitum ''Thuidium'' is a genus of moss in the family Thuidiaceae. The name comes from the genus ''Thuja'' and the Latin suffix -idium, meaning diminutive. This is due to its resemblance to small cedar trees. Description Members of the genus are characterized by creeping, highly branched, pinnate leaves. There are approximately 230 species found distributed in North America, Mexico, West Indies, Central America, South America, Europe, and Asia. Species Species adapted from The Plant List; ''Thuidium abietinum'' '' Thuidium aciculum'' '' Thuidium aculeoserratum'' ''Thuidium algarvicum'' '' Thuidium allenii'' ''Thuidium alvarezianum'' ''Thuidium amblyostomum'' '' Thuidium angustifolium'' '' Thuidium arzobispoae'' '' Thuidium assimile'' ''Thuidium assurgens'' ''Thuidium atlanticum'' ''Thuidium attenuatum'' ''Thuidium austro-serpens'' ''Thuidium bifarium'' ''Thuidium blandowii'' ''Thuidium blepharophyllum'' ''Thuidium bolanderi'' ''Thuidium bonianum'' ... [...More Info...] [...Related Items...] OR:* [Wikipedia] [Google] [Baidu]
	Drepanocladus ''Drepanocladus'' is a genus of mosses belonging to the family Amblystegiaceae. It has a cosmopolitan distribution In biogeography, cosmopolitan distribution is the term for the range of a taxon that extends across all or most of the world in appropriate habitats. Such a taxon, usually a species, is said to exhibit cosmopolitanism or cosmopolitism. The ext ... Species The following species are recognised in the genus ''Drepanocladus'': '' Drepanocladus aduncus'' '' Drepanocladus andinus'' '' Drepanocladus angustifolius'' '' Drepanocladus apiculatus'' '' Drepanocladus arcticus'' '' Drepanocladus arnellii'' '' Drepanocladus asturicus'' '' Drepanocladus austroaduncus'' '' Drepanocladus austrofluitans'' '' Drepanocladus brachiatus'' '' Drepanocladus brevifolius'' '' Drepanocladus brevinervis'' '' Drepanocladus brotheri'' '' Drepanocladus capillifolius'' '' Drepanocladus contiguus'' '' Drepanocladus falcifolius'' '' Drepanocladus flageyi'' '' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Drepanocladus Fluitans ''Drepanocladus'' is a genus of mosses belonging to the family Amblystegiaceae. It has a cosmopolitan distribution In biogeography, cosmopolitan distribution is the term for the range of a taxon that extends across all or most of the world in appropriate habitats. Such a taxon, usually a species, is said to exhibit cosmopolitanism or cosmopolitism. The ext ... Species The following species are recognised in the genus ''Drepanocladus'': '' Drepanocladus aduncus'' '' Drepanocladus andinus'' '' Drepanocladus angustifolius'' '' Drepanocladus apiculatus'' '' Drepanocladus arcticus'' '' Drepanocladus arnellii'' '' Drepanocladus asturicus'' '' Drepanocladus austroaduncus'' '' Drepanocladus austrofluitans'' '' Drepanocladus brachiatus'' '' Drepanocladus brevifolius'' '' Drepanocladus brevinervis'' '' Drepanocladus brotheri'' '' Drepanocladus capillifolius'' '' Drepanocladus contiguus'' '' Drepanocladus falcifolius'' '' Drepanocladus flageyi'' '' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Drepanocladus Uncinatus ''Drepanocladus'' is a genus of mosses belonging to the family Amblystegiaceae. It has a cosmopolitan distribution In biogeography, cosmopolitan distribution is the term for the range of a taxon that extends across all or most of the world in appropriate habitats. Such a taxon, usually a species, is said to exhibit cosmopolitanism or cosmopolitism. The ext ... Species The following species are recognised in the genus ''Drepanocladus'': '' Drepanocladus aduncus'' '' Drepanocladus andinus'' '' Drepanocladus angustifolius'' '' Drepanocladus apiculatus'' '' Drepanocladus arcticus'' '' Drepanocladus arnellii'' '' Drepanocladus asturicus'' '' Drepanocladus austroaduncus'' '' Drepanocladus austrofluitans'' '' Drepanocladus brachiatus'' '' Drepanocladus brevifolius'' '' Drepanocladus brevinervis'' '' Drepanocladus brotheri'' '' Drepanocladus capillifolius'' '' Drepanocladus contiguus'' '' Drepanocladus falcifolius'' '' Drepanocladus flageyi'' '' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]

	Fern Moss Fern moss may refer to several varieties of moss that produce feathery fronds and can form a moss carpet across grass or bare patches of ground: * ''Fissidens bryoides'' – lesser fern moss * ''Hylocomium splendens'' or ''Hylocomium proliferum'' – mountain fern moss * ''Thuidium'' species including: ''Thuidium abietinum'' – wiry fern moss ''Thuidium delicatulum'' – common fern moss ** ''Thuidium recognitum'' – hook-leaf fern moss Possibly also: * ''Drepanocladus'' species including: ''Drepanocladus fluitans'' ''Drepanocladus uncinatus ''Drepanocladus'' is a genus of mosses belonging to the family Amblystegiaceae. It has a cosmopolitan distribution Species The following species are recognised in the genus ''Drepanocladus'': '' Drepanocladus aduncus'' '' Drepanocladus andi ...'' {{Plant common name Mosses ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Hylocomium Splendens In Nature Reserve Ptaci Stena In Autumn 2011 (4) ''Hylocomium'' is a genus of mosses belonging to the family Hylocomiaceae. The genus was first described by Wilhelm Philippe Schimper in 1852. Species: * ''Hylocomium interruptum'' Margadant, 1972 * ''Hylocomium splendens'' W.P. Schimper, 1852 * ''Hylocomiastrum umbratum ''Hylocomiastrum'' is a genus of mosses belonging to the family Hylocomiaceae Hylocomiaceae is a family Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or o ...'' (Ehrh. ex Hedw.) M. Fleisch. References {{Taxonbar, from=Q150290 Hypnales Moss genera ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Fissidens Bryoides ''Fissidens'' is a genus of haplolepideous mosses (Dicranidae) in the family Fissidentaceae. Selected species: * '' Fissidens abbreviatus'' * '' Fissidens acacioides'' * '' Fissidens aciphyllus'' * '' Fissidens acreanus'' * '' Fissidens acutissimus'' * '' Fissidens adianthoides'' * '' Fissidens aeruginosus'' * '' Fissidens afissidens'' * '' Fissidens afropapillosus'' * '' Fissidens aggestus'' * '' Fissidens alatus'' * ''Fissidens albo-limbatus'' * '' Fissidens alexandrinus'' * '' Fissidens allionii'' * '' Fissidens allisonii'' * ''Fissidens allorgei'' * ''Fissidens alomoides'' * ''Fissidens amazonicus'' * ''Fissidens amoenus'' * ''Fissidens amplifolius'' * ''Fissidens ampliretis'' * ''Fissidens andicola'' * ''Fissidens angustelimbatus'' * ''Fissidens angustifolius'' * ''Fissidens angustinervis'' * ''Fissidens anisophyllus'' * '' Fissidens annamensis'' * '' Fissidens anomalus'' * '' Fissidens antrophyi'' * '' Fissidens aoraiensis'' * '' Fissidens aphelotaxifolius'' * '' Fissidens ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
picture info	Hylocomium Splendens ''Hylocomium splendens'', commonly known as glittering woodmoss, splendid feather moss, stairstep moss, and mountain fern moss, is a Perennial plant, perennial Clone (plant), clonal moss with a widespread distribution in Northern Hemisphere boreal ecosystem, boreal forests. It is commonly found in Europe, Russia, Alaska and Canada, where it is often the most abundant moss species. It also grows in the Arctic tundra and further south at higher elevations in, for example, northern California, western Sichuan, East Africa, Australia, New Zealand and the West Indies. In Scotland it is a characteristic species of the Caledonian Forest. Under the UK's national vegetation classification system, pinewood community W18 is named as "Pinus sylvestris-Hylocomium splendens woodland", indicating its significance in this ecosystem. [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Hylocomium Proliferum ''Hylocomium'' is a genus of mosses belonging to the family Hylocomiaceae. The genus was first described by Wilhelm Philippe Schimper in 1852. Species: * ''Hylocomium interruptum'' Margadant, 1972 * ''Hylocomium splendens'' W.P. Schimper, 1852 * ''Hylocomiastrum umbratum ''Hylocomiastrum'' is a genus of mosses belonging to the family Hylocomiaceae Hylocomiaceae is a family Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or o ...'' (Ehrh. ex Hedw.) M. Fleisch. References {{Taxonbar, from=Q150290 Hypnales Moss genera ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Thuidium ''Thuidium'' is a genus of moss in the family Thuidiaceae. The name comes from the genus ''Thuja'' and the Latin suffix -idium, meaning diminutive. This is due to its resemblance to small cedar trees. Description Members of the genus are characterized by creeping, highly branched, pinnate leaves. There are approximately 230 species found distributed in North America, Mexico, West Indies, Central America, South America, Europe, and Asia. Species Species adapted from The Plant List; ''Thuidium abietinum'' '' Thuidium aciculum'' '' Thuidium aculeoserratum'' ''Thuidium algarvicum'' '' Thuidium allenii'' ''Thuidium alvarezianum'' ''Thuidium amblyostomum'' '' Thuidium angustifolium'' '' Thuidium arzobispoae'' '' Thuidium assimile'' ''Thuidium assurgens'' ''Thuidium atlanticum'' ''Thuidium attenuatum'' ''Thuidium austro-serpens'' ''Thuidium bifarium'' ''Thuidium blandowii'' ''Thuidium blepharophyllum'' ''Thuidium bolanderi'' ''Thuidium bonianum'' ... [...More Info...] [...Related Items...] OR:* [Wikipedia] [Google] [Baidu]
	Thuidium Abietinum ''Thuidium'' is a genus of moss in the family Thuidiaceae. The name comes from the genus ''Thuja'' and the Latin suffix -idium, meaning diminutive. This is due to its resemblance to small cedar trees. Description Members of the genus are characterized by creeping, highly branched, pinnate leaves. There are approximately 230 species found distributed in North America, Mexico, West Indies, Central America, South America, Europe, and Asia. Species Species adapted from The Plant List; ''Thuidium abietinum'' '' Thuidium aciculum'' '' Thuidium aculeoserratum'' ''Thuidium algarvicum'' '' Thuidium allenii'' ''Thuidium alvarezianum'' ''Thuidium amblyostomum'' '' Thuidium angustifolium'' '' Thuidium arzobispoae'' '' Thuidium assimile'' ''Thuidium assurgens'' ''Thuidium atlanticum'' ''Thuidium attenuatum'' ''Thuidium austro-serpens'' ''Thuidium bifarium'' ''Thuidium blandowii'' ''Thuidium blepharophyllum'' ''Thuidium bolanderi'' ''Thuidium bonianum'' ... [...More Info...] [...Related Items...] OR:* [Wikipedia] [Google] [Baidu]
	Thuidium Delicatulum ''Thuidium delicatulum'', also known as the delicate fern moss or common fern moss, is a widespread species of moss in the family Thuidiaceae. It is found in North and South America from Alaska Alaska ( ; russian: Аляска, Alyaska; ale, Alax̂sxax̂; ; ems, Alas'kaaq; Yup'ik: ''Alaskaq''; tli, Anáaski) is a state located in the Western United States on the northwest extremity of North America. A semi-exclave of the U.S., ... to Brazil. References Hypnales Plants described in 1801 {{Bryophyte-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Thuidium Recognitum ''Thuidium'' is a genus of moss in the family Thuidiaceae. The name comes from the genus ''Thuja'' and the Latin suffix -idium, meaning diminutive. This is due to its resemblance to small cedar trees. Description Members of the genus are characterized by creeping, highly branched, pinnate leaves. There are approximately 230 species found distributed in North America, Mexico, West Indies, Central America, South America, Europe, and Asia. Species Species adapted from The Plant List; ''Thuidium abietinum'' '' Thuidium aciculum'' '' Thuidium aculeoserratum'' ''Thuidium algarvicum'' '' Thuidium allenii'' ''Thuidium alvarezianum'' ''Thuidium amblyostomum'' '' Thuidium angustifolium'' '' Thuidium arzobispoae'' '' Thuidium assimile'' ''Thuidium assurgens'' ''Thuidium atlanticum'' ''Thuidium attenuatum'' ''Thuidium austro-serpens'' ''Thuidium bifarium'' ''Thuidium blandowii'' ''Thuidium blepharophyllum'' ''Thuidium bolanderi'' ''Thuidium bonianum'' ... [...More Info...] [...Related Items...] OR:* [Wikipedia] [Google] [Baidu]
	Drepanocladus ''Drepanocladus'' is a genus of mosses belonging to the family Amblystegiaceae. It has a cosmopolitan distribution In biogeography, cosmopolitan distribution is the term for the range of a taxon that extends across all or most of the world in appropriate habitats. Such a taxon, usually a species, is said to exhibit cosmopolitanism or cosmopolitism. The ext ... Species The following species are recognised in the genus ''Drepanocladus'': '' Drepanocladus aduncus'' '' Drepanocladus andinus'' '' Drepanocladus angustifolius'' '' Drepanocladus apiculatus'' '' Drepanocladus arcticus'' '' Drepanocladus arnellii'' '' Drepanocladus asturicus'' '' Drepanocladus austroaduncus'' '' Drepanocladus austrofluitans'' '' Drepanocladus brachiatus'' '' Drepanocladus brevifolius'' '' Drepanocladus brevinervis'' '' Drepanocladus brotheri'' '' Drepanocladus capillifolius'' '' Drepanocladus contiguus'' '' Drepanocladus falcifolius'' '' Drepanocladus flageyi'' '' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Drepanocladus Fluitans ''Drepanocladus'' is a genus of mosses belonging to the family Amblystegiaceae. It has a cosmopolitan distribution In biogeography, cosmopolitan distribution is the term for the range of a taxon that extends across all or most of the world in appropriate habitats. Such a taxon, usually a species, is said to exhibit cosmopolitanism or cosmopolitism. The ext ... Species The following species are recognised in the genus ''Drepanocladus'': '' Drepanocladus aduncus'' '' Drepanocladus andinus'' '' Drepanocladus angustifolius'' '' Drepanocladus apiculatus'' '' Drepanocladus arcticus'' '' Drepanocladus arnellii'' '' Drepanocladus asturicus'' '' Drepanocladus austroaduncus'' '' Drepanocladus austrofluitans'' '' Drepanocladus brachiatus'' '' Drepanocladus brevifolius'' '' Drepanocladus brevinervis'' '' Drepanocladus brotheri'' '' Drepanocladus capillifolius'' '' Drepanocladus contiguus'' '' Drepanocladus falcifolius'' '' Drepanocladus flageyi'' '' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Drepanocladus Uncinatus ''Drepanocladus'' is a genus of mosses belonging to the family Amblystegiaceae. It has a cosmopolitan distribution In biogeography, cosmopolitan distribution is the term for the range of a taxon that extends across all or most of the world in appropriate habitats. Such a taxon, usually a species, is said to exhibit cosmopolitanism or cosmopolitism. The ext ... Species The following species are recognised in the genus ''Drepanocladus'': '' Drepanocladus aduncus'' '' Drepanocladus andinus'' '' Drepanocladus angustifolius'' '' Drepanocladus apiculatus'' '' Drepanocladus arcticus'' '' Drepanocladus arnellii'' '' Drepanocladus asturicus'' '' Drepanocladus austroaduncus'' '' Drepanocladus austrofluitans'' '' Drepanocladus brachiatus'' '' Drepanocladus brevifolius'' '' Drepanocladus brevinervis'' '' Drepanocladus brotheri'' '' Drepanocladus capillifolius'' '' Drepanocladus contiguus'' '' Drepanocladus falcifolius'' '' Drepanocladus flageyi'' '' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]