Rorippa sylvestris

Tracheophyta MagnoliopsidaCruciferaeRorippaRorippa sylvestris


A perennial herb growing on damp bare ground, often in sites flooded in winter, on the margins and banks of rivers, streams, canals and ditches, by lakes and ponds and in depressions in pastures. It is also a weed of cultivated ground, often in drier situations than in its semi-natural habitats. It is a vigorous pioneer species, intolerant of competition, spreading by seed and by broken pieces of rhizome. Lowland.



World Distribution

European Temperate element; widely naturalised outside its native range.

Broad Habitats

Light (Ellenberg): 8

Moisture (Ellenberg): 8

Reaction (Ellenberg): 7

Nitrogen (Ellenberg): 7


Salt Tolerance (Ellenberg): 0

January Mean Temperature (Celsius): 3.6

July Mean Temperature (Celsius): 15.4

Annual Precipitation (mm): 886

Life form information

Height (cm): 60

Perennation - primary


Life Form - primary




Clonality - primary

Rhizome shortly creeping

Distribution information

Count of 10km squares in Great Britain: 1129

Count of 10km squares in Ireland: 107

Count of 10km squares in the Channel Isles: 7

Atlas Change Index: 0.73

Weighted Changed Factor: -48

Weighted Change Factor Confidence (90%)


Distribution information

JNCC Designations


PLANTATT - Attributes of British and Irish plants. (.zip 1455KB) This dataset was compiled and published in 2004, and last updated in November 2008. Download includes an Excel spreadsheet of the attributes, and a PDF explaining the background and nomenclature. Note that the PDF version is the booklet as published, whereas the Excel spreadsheet incorporates subsequent corrections. A hardcopy can be purchased from the Centre for Ecology and Hydrology.

Atlas text references

Atlas (48c)
Hultén E, Fries M
1986.  Atlas of north European vascular plants north of the Tropic of Cancer. 3 vols.
Jalas & Suominen (1994)
Jonsell B
1968.  Studies in the north-west European species of Rorippa s. str. Symbolae Botanicae Upsaliensis. 19(2):1-222.
Rich TCG
1991.  Crucifers of Great Britain and Ireland. Botanical Society of the British Isles Handbook no. 6.