Lepidium neglectum Thell.

ISFS : 235400
Checklist : 1026540


Species description (© Flora Helvetica 2018)

Blätter oberhalb der Stängelmitte lineal, 15-25mal so lang wie breit, ganzrandig, Kronblätter selten über 1 mm lang, kürzer als die Kelchblätter, selten fehlend. Fruchtstand locker, verlängert, Fruchtstiele fast waagrecht abstehend. Schötchen meist kreisrund, 2,5-3 mm lang, mit seichter (breiter) Ausrandung.

World distribution (© Flora Helvetica 2018)

Ursprünglich nordamerikanisch

Ecological indicator (© Flora Helvetica 2018)


Distribution map


Before threshold year
After threshold year
Before and after threshold year


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

Number of observations

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

World distribution

Ursprünglich nordamerikanisch


Life form

Monocarpic hemicryptophyte, Therophyte


Habitats © Delarze & al. 2015


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

Soil factors Climatic factors Salinity tolerance
Humidity Value H 1+ Light Value L 4 Salinity Index --
Reaction Value R 3 Temperature factor T 4+
Nutriments value N 4 Continentality K 4
  • Ecological values legend
    Humidity Value H
    1very dry
    2moderatly dry
    3medium wet
    4very wet
    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
    Light Value L
    1very shady
    3lighted areas
    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)


Accepted Name (Checklist 2017)

Lepidium neglectum Thell.

Vernacular name

Deutscher Name :

Übersehene Kresse

Nom français :

Passerage négligée

Nome italiano :

Lepidio negletto

Match with other reference books

Relation Nom Book No
=Lepidium neglectum Thell.Checklist 2017235400
=Lepidium neglectum Thell.Flora Helvetica 2001750
=Lepidium neglectum Thell.Flora Helvetica 2012987
=Lepidium neglectum Thell.Flora Helvetica 2018987
=Lepidium neglectum Thell.Index synonymique 1996235400
=Lepidium neglectum Thell.Landolt 19771252
=Lepidium neglectum Thell.SISF/ISFS 2235400
=Lepidium neglectum Thell.Welten & Sutter 1982579
= 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)


Native status


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