Kingdom: Plantae > Division: Tracheophyta > Class: Magnoliopsida > Order: Alismatales > Family: Najadaceae > Genus: Najas > Species: Najas flexilis

Naiad - Najas flexilis (Willd.) Rostk. & W.L.E.Schmidt

Images from the web

Quick facts

Threat status Europe Vulnerable (IUCN)
EU conservation status by biogeographical region Atlantic - Unfavourable-Inadequate
Boreal - Unfavourable-Bad
Continental - Unfavourable-Bad
Protected by EU Habitats Directive and 2 other international agreements
Natura 2000 sites 46 are designated for this species
Most preferred habitats
  • rivers and lakes
Natura 2000 species code 1833

Distribution

The distribution map is currently disabled. A new map solution will soon become available. In the meantime, please consult other species distribution map providers listed in the Other resources panel below.

Threat and conservation status

IUCN Red List status of threatened species

The IUCN Red List threat status assesses the risk of extinction.

IUCN Red List Category
Not Evaluated
Near Threatened
Regionally Extinct
Not Applicable
Vulnerable
Extinct in the Wild
Data Deficient
Endangered
Extinct
Least Concern
Critically Endangered

EU conservation status

Conservation status assesses every six years and for each biogeographical region the condition of habitats and species compared to the favourable status as described in the Habitats Directive. The map shows the 2007-2012 assessments as reported by EU Member State. Assessments are further detailed in the summary document available behind the link below.

Natura 2000 sites

Protected in the following Natura 2000 sites

Sitecode Country Site name Action
DK00EX130 Denmark Hanstholm Reservatet, Nors Sø og Vandet Sø Map
FI0301016 Finland Urajärvi Map
FI0306006 Finland Kutajärven alue Map
FI0415001 Finland Siikalahti, Sammallampi, Rautalahti Map
FI0415007 Finland Siikalahti Map
FI0700030 Finland Särkijärvi Map
FI1300608 Finland Tollovuoma-Silmäsvuoma-Mustaoja-Nunaravuoma Map
IE0000147 Ireland Horn Head and Rinclevan SAC Map
IE0000164 Ireland Lough Nagreany Dunes SAC Map
IE0000185 Ireland Sessiagh Lough SAC Map
IE0000197 Ireland West of Ardara/Maas Road SAC Map
IE0000297 Ireland Lough Corrib SAC Map
IE0000365 Ireland Killarney National Park, Macgillycuddy's Reeks and Caragh River Catchment SAC Map
IE0001141 Ireland Gweedore Bay and Islands SAC Map
IE0001151 Ireland Kindrum Lough SAC Map
IE0001251 Ireland Cregduff Lough SAC Map
IE0001311 Ireland Rusheenduff Lough SAC Map
IE0001342 Ireland Cloonee and Inchiquin Loughs, Uragh Wood SAC Map
IE0001919 Ireland Glenade Lough SAC Map
IE0001932 Ireland Mweelrea/Sheeffry/Erriff Complex SAC Map
IE0001975 Ireland Ballyhoorisky Point to Fanad Head SAC Map
IE0002008 Ireland Maumturk Mountains SAC Map
IE0002031 Ireland The Twelve Bens/Garraun Complex SAC Map
IE0002034 Ireland Connemara Bog Complex SAC Map
IE0002074 Ireland Slyne Head Peninsula SAC Map
IE0002111 Ireland Kilkieran Bay and Islands SAC Map
IE0002118 Ireland Barnahallia Lough SAC Map
IE0002119 Ireland Lough Nageeron SAC Map
IE0002130 Ireland Tully Lough SAC Map
IE0002176 Ireland Leannan River SAC Map
IE0002177 Ireland Lough Dahybaun SAC Map
LV0300400 Latvia Silene Map
LV0303400 Latvia Raznas nacionalais parks Map
LV0600300 Latvia Augszeme Map
SE0220175 Sweden Södra Kärrlången Map
SE0310434 Sweden Södra Vixen Map
SE0420309 Sweden Hammarsjön Map
UK0012638 United Kingdom Dunkeld - Blairgowrie Lochs Map
UK0012713 United Kingdom South Uist Machair Map
UK0014728 United Kingdom Coll Machair Map
UK0019804 United Kingdom North Uist Machair Map
UK0030191 United Kingdom Loch Fada Map
LV0100200 Latvia Moricsalas dabas rezervats Map
LV0304400 Latvia Kurjanovas ezers Map
LTIGN0027 Lithuania Sungardo ežeras Map
AT2140000 Austria Millstätter See-Süd Map

Protected sites

Please note the site map takes a while to display.

Common names and synonyms

Common Name Language Reference
Biegsames Nixkraut German Korneck, D., M. Schnittler & I. Vollmer
Biegssames Nixenkraut German EC-DGXI.d2, ETC/NC
Liden Najade Danish EC-DGXI.d2, ETC/NC
lokana najada Latvian Latvian NRC
Mykt havfrugras Norwegian Direktoratet for Naturforvaltning
Naiad English EC-DGXI.d2, ETC/NC
Sjönajas Swedish EC-DGXI.d2, ETC/NC
Slender naiad English EC-DGXI.d2, ETC/NC
Synonym Author
Caulinia flexilis Willd.
Caulinia fragilis Willd.

Other resources

CoL (accepted name) Catalogue of Life
EoL Encyclopedia of Life
GBIF Global Biodiversity Information Facility
Habitats Directive Art. 17-2006 summary
ITIS (accepted) Interagency Taxonomic Information System
NCBI National Center for Biotechnology Information
PESI (Accepted) Pan-European Species directories Infrastructure
Wikipedia Wikipedia

External data

Reportnet deliveries

Files delivered through Reportnet with relevance to this species.

18 items found, displaying all items.1
Released Coverage Envelope File
2013-12-30 Lithuania Third LT report on Art.17,2007-2012 LT_species_reports-131230-135438.xml
2013-12-30 Sweden Report on Implementation Measures (Art.17.1)_delivery 2013 SE_species_reports-131230-111623.xml
2013-10-18 Latvia LATVIA_2007-2012 LV_species_reports-131018-113252.xml
2013-10-11 Finland Hab2011-2012 FI_hab_report_2011_2012.xml
2013-10-10 United Kingdom Habitats Directive Article 17 2013 2nd submission UK GB_species_reports-13925-15297.xml
2013-10-07 Finland Habitat directive reporting (FI) 2007-2012 FI_species_reports.xml
2013-09-17 Estonia Eesti2013 EE_species_reports-13917-14855.xml
2011-11-11 United Kingdom Directive 92/43/EEC: Derogation under Article 16: Report by the UK for 2009-2010 CCW contribution to 92/43/EEC Article 16 UK Report
2011-11-11 United Kingdom Directive 92/43/EEC: Derogation under Article 16: Report by the UK for 2009-2010 SNH contribution to 92/43/EEC Article 16 UK Report
2010-09-28 Finland Hab2007-2008 Derogation report under the Habitats Directive 2007 & 2008
2008-04-14 Estonia eesti Species questionnaire for Najas flexilis
2008-03-03 Lithuania Buveiniu direktyvos igyvendinimo ataskaita Species questionnaire for Najas flexilis
2008-02-26 Denmark DK Species questionnaire for Najas flexilis
2008-02-25 United Kingdom UK_submission Najas flexilis
2008-01-11 Ireland Habitats Directive Article 17 report Najas flexilis
2008-01-11 Finland Suomi virallinen Species questionnaire for Najas flexilis
2007-10-02 Latvia LATVIA 2001-2006 Najas flexilis
2007-10-02 Sweden Report on Implementation Measures (Art.17.1)_delivery 2007 Species questionnaire for Najas flexilis

Summary of derogations for species

EU member states are required to report derogations from protection efforts of species.

7 items found, displaying all items.1
Region From Until Justification Activity Impact
Itä-Suomi 2012-07-23 2012-08-31 Tunnistamista varten kerättävien verson osien määrää ei pystytä yksilöimään etukäteen. Deliberate collecting in the wild Ei vaikutusta. Luvan mukainen vähäinen näkinruohojen verson osien kerääminen tunnistamista varten ei aiheuta haittaa lajien suotuisan suojelutason säilyttämiselle.
Itä-Suomi 2012-07-23 2012-08-31 Tunnistamista varten kerättävien verson osien määrää ei pystytä yksilöimään etukäteen. Näkinruohojen vähäinen verson osien kerääminen tunnistusta varten Ei vaikutusta. Luvan mukainen vähäinen näkinruohojen verson osien kerääminen tunnistamista varten ei aiheuta haittaa lajien suotuisan suojelutason säilyttämiselle.
Etelä-Suomi 2011-06-16 2011-08-31 Tarvittava näytemäärä ei ollut etukäteen tiedossa, koska se riippui löydettyjen esiintymien määrästä ja siitä kuinka hyvin lajit ovat tunnistettavissa maastossa. Deliberate collecting in the wild none
United Kingdom 2009-01-30 2012-12-31 No Restrictions Deliberate uprooting in the wild Variable Negligible. No projected impact Rumex rupestris 220 Gentianella anglica 154 Liparis loeselii 5 Luronium natans 50 Trichomanes speciosum 162 Cypridedium calceolus 1 Apum repens 4 Najas flexius 39 Saxifraga hirculus 16
United Kingdom 2009-01-30 2012-12-31 No Restrictions Deliberate picking in the wild Variable Negligible. No projected impact Rumex rupestris 220 Gentianella anglica 154 Liparis loeselii 5 Luronium natans 50 Trichomanes speciosum 162 Cypridedium calceolus 1 Apum repens 4 Najas flexius 39 Saxifraga hirculus 16
United Kingdom 2009-01-30 2012-12-31 No Restrictions Deliberate collecting in the wild Variable Negligible. No projected impact Rumex rupestris 220 Gentianella anglica 154 Liparis loeselii 5 Luronium natans 50 Trichomanes speciosum 162 Cypridedium calceolus 1 Apum repens 4 Najas flexius 39 Saxifraga hirculus 16
United Kingdom 2009-01-30 2012-12-31 No Restrictions Deliberate cutting in the wild Variable Negligible. No projected impact Rumex rupestris 220 Gentianella anglica 154 Liparis loeselii 5 Luronium natans 50 Trichomanes speciosum 162 Cypridedium calceolus 1 Apum repens 4 Najas flexius 39 Saxifraga hirculus 16
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