It has been introduced into most parts of the world and is regarded as a habitat threatening invasive species in many areas, for example, Australia.

The stems are green and sometimes purple at the base and nodes, round in cross section and slightly ridged, and bristly-hairy all over.

[2] The fruits are borne on bristly-hairy pedicels about 3 cm long and held vertically (whether the rhachis is erect or sprawling).

The flowers are very similar to those of the searocket, which is found in some of the same regions (in the US) and is easily distinguished from it by having thinner, non-succulent stems and leaves.

Within Western Asia it is found in the Caucasus, Armenia, Azerbaijan, Cyprus, Georgia, Iran, Iraq, Israel, Jordan, Lebanon, Syria and Turkey.

In middle Europe, it is in Austria, Belgium, Czech Republic, Germany, Hungary, Netherlands, Poland, Slovakia and Switzerland.

In northern Europe, in Denmark, Estonia, Finland, Ireland, Isle of Man, Latvia, Lithuania, Norway, Sweden and United Kingdom.

In southeastern Europe, within Albania, Bosnia and Herzegovina, Bulgaria, Croatia, Greece, Italy, Montenegro, North Macedonia, Romania, Serbia and Slovenia.

It is a significant source of pollen and nectar for a variety of pollinators, especially honey bees during the very early spring starting buildup.

that John Walker cultivated sea radish root as an alternative to horseradish after discovering the plant on the west coast of Scotland as early as 1753.