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Rorippa islandica (Gunnerus) Borbás
Rorippa islandica (Gunnerus) Borbás, © Konrad Lauber
Rorippa islandica (Gunnerus) Borbás, © Konrad Lauber

Rorippa islandica (Gunnerus) Borbás

Species
ISFS : 346800
Checklist : 1038540
  1. Brassicaceae
  2. Rorippa
  3. Rorippa islandica aggr.
  4. Rorippa islandica (Gunnerus) Borbás

Synthesis

Species description (© Flora Helvetica 2018)

Ähnlich wie R. palustris, aber nur 5-10 cm hoch, niederliegend bis aufsteigend, schon am Grund verzweigt, Kelchblätter nur 1-1,5 mm lang, Fruchtstiel 1/3-1/2 so lang wie die Frucht.

Flowering period (© Flora Helvetica 2018)

7-9

Habitat and distribution inside Switzerland (© Flora Helvetica 2018)

Sandige bis schlammige nasse Böden, Seeufer / subalpin-alpin / AS, ANW

World distribution (© Flora Helvetica 2018)

Arktisch-alpin

Ecological indicator (© Landolt & al. 2010)

4+w+33-41+2.h-t.2n=16

Status

IUCN status

 Near threatened

Distribution map

Simple

Before threshold year
After threshold year
Before and after threshold year

Advanced

Colors
Validated observations
Observations waiting for validation
Occurrences from Atlas Welten & Sutter (1982) and supplements (1984, 1994) without confirmation in the Info Flora database since
Symbols
Before threshold year
After threshold year
Native
Reintroduced
Not native / introduced / subspontaneous / escaped
Doubtful

Number of observations

Below the threshold number of observations
Above or equal the threshold number of observations

Habitat and distribution inside Switzerland

AS, ANW

World distribution

Arktisch-alpin

Ecology

Life form

Perennial hemicryptophyte, Therophyte

Habitats

Habitats © Delarze & al. 2015

Less strictly linked to a specific habitat 7.1.1 - Feuchte Trittflur (Agropyro-Rumicion)

bold Dominant species, influencing the appearance of the habitat
Character species Character species
Less strictly linked to a specific habitat Less strictly linked to a specific habitat

Ecological indicator values by © Landolt & al. (2010)

Soil factors Climatic factors Salinity tolerance
Humidity Value H 4+w+ Light Value L 4 Salinity Index --
Reaction Value R 3 Temperature factor T 1+
Nutriments value N 3 Continentality K 2
  • Ecological values legend
    Humidity Value H
    1very dry
    1+dry
    2moderatly dry
    2+moist
    3medium wet
    3+wet
    4very wet
    4+soggy
    5submerged or underwater
    fplants living in running water
    umostly submerged plants
    vpartly submerged, partly floating plants
    whumidity moderately variable (± scale of 1-2)
    w+highly variable humidity (scale exceeding ± 2)
    Reaction Value R
    1Very acid (pH 2.5-5.5)
    2acid (pH 3.5-6.5)
    3lightly acid to neutral (pH 4.5-7.5)
    4neutral to basic (pH 5.5-8.5)
    5basic (pH 6-5 -> 8.5
    Nutriments value N
    1very low in nutrients
    2low in nutriments
    3medium-poor to medium-rich in nutrients
    4rich in nutriments
    5very rich in nutriments
    Salinity tolerance
    1halotolerant
    3halophyle
    Light Value L
    1very shady
    2shady
    3lighted areas
    4luminous
    5highly luminous
    Temperature factor T
    1alpine to nival stages (from the treeline to the snowline)
    1+suprasubalpine and upper subalpine levels (pine and larch forests)
    2subalpine level (coniferous forests without beeches up to the upper limit of spruces)
    2+lower subalpine and upper mountain stages
    3mountain level (beech and silver fir forests, in the central Alps Scots pine forests)
    3+lower mountain and upper hill levels
    4hill level (mixed deciduous oak forests)
    4+hot places, hill level
    5very hot places, hill level (only in the hottest places, typical of southern Europe)
    Continentality K
    1Atlantic (high air humidity, very low temperature variations, mild winters)
    2Sub-Atlantic (high air humidity, low temperature variations, relatively mild winters)
    3sub-Atlantic to subcontinental (average air humidity, moderately variable temperature, slightly low winter temperatures)
    4subcontinental (low air humidity, large temperature variations, rather cold winters)
    5continental (very low air humidity, very large temperature variations, cold winters)

Nomenclature

Accepted Name (Checklist 2017)

Rorippa islandica (Gunnerus) Borbás

Vernacular name

Deutscher Name :

Island-Sumpfkresse

Nom français :

Cresson d'Islande

Nome italiano :

Crescione islandico

Match with other reference books

Relation Nom Book No
=Rorippa islandica (Gunnerus) BorbásChecklist 2017346800
=Rorippa islandica (Gunnerus) BorbásFlora Helvetica 2001638
=Rorippa islandica (Gunnerus) BorbásFlora Helvetica 2012877
=Rorippa islandica (Gunnerus) BorbásFlora Helvetica 2018877
=Rorippa islandica (Gunnerus) BorbásIndex synonymique 1996346800
=Rorippa islandica (Gunnerus) BorbásLandolt 19771381
=Rorippa islandica (Gunnerus) BorbásLandolt 19911169
=Rorippa islandica (Gunnerus) BorbásSISF/ISFS 2346800
= The taxon corresponds to the accepted taxon (Checklist 2017)
< The taxon is included in the accepted taxon (Checklist 2017)
> The taxon includes (among others) also the accepted taxon (Checklist 2017)

Status

Native status

-
IUCN list of endangered species (© Walter & Gillett 1997) : No

Status on national Red List 2016

IUCN status:

 Near threatened

LC: Non menacé

Additional information

IUCN criteria: B2a

Status on regional Red List 2019

Biogregraphic regions Status IUCN criteria
Jura (JU) DD
Mittelland (MP) --
Alpennordflanke (NA) NTB2a
Alpensüdflanke (SA) NTB2a
Östliche Zentralalpen (EA) NTB2a
Westliche Zentralalpen (WA) NTB2a
  • Legend
    EXExtinct
    RERegionally Extinct
    CR(PE)Critically Endangered, Probably Extinct
    CRCritically Endangered
    ENEndangered
    VUVulnerable
    NTNear Threatened
    LCLeast Concern

National Priority Species List Status

No national priority or international responsability

Protection status

International (Bern Convention) No
GEtotal protection (25.07.2007)
Switzerland --
  • Disclaimer
    InfoFlora compiles information on protected species as accurately as possible, taking it from the respective cantonal laws. In some cases, however, it was not possible to use the plant names as listed in the original text, but an interpretation of their taxonomy or nomenclature was necessary. The exact meaning of the categories „completely protected“ and „partially protected“ differs among the cantons.

    InfoFlora cannot guarantee that the information on the protection status is correct and complete. In case of doubts, we recommend to look up the texts of the respective cantonal law.

Status by sector of activity

Agriculture-related environmental objectives : L - more informations