A perennial, sometimes biennial, herb occurring in a wide range of coastal habitats, including open sand, shingle, cliffs, walls and waste ground; also rarely inland on road verges. Lowland.
pecies sens. lat. +0.31). T. maritimum and T. inodorum were treated as conspecific in the 1962 Atlas. Many older records are, therefore, only referable to the aggregate, but T. maritimum sens. str. now seems to be well recorded and its distribution is probably stable.
Circumpolar Wide-boreal element.
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.