A perennial, stoloniferous herb found in boggy ground and seepages in woods, on streamsides, wet rocks and mountain ledges, usually in shade; also in grikes and sink-holes in limestone in the N. Pennines. It is generally found in more acidic habitats than C. alternifolium, but the two are often found together. 0-1100 m (Ben Nevis, Westerness).
There has been no appreciable change in the distribution of C. oppositifolium since the 1962 Atlas.
Suboceanic Temperate 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.
Atlas text references
1988. Comparative Plant Ecology.
1986. Atlas of north European vascular plants north of the Tropic of Cancer. 3 vols.
Jalas & Suominen (1999)
1965. Vergleichende Chorologie der zentraleuropäischen Flora. Volume 1. 2 vols.