|species that do not have native breeding populations but which occur as vagrants or as introductions
|variable base status
|Associated with sites of varying underlying geology and pH level.
|A situation where a species appears to occur in a range of soil humidity as derived from accounts; this may either because soil humidity has little ecological bearing on the species ecology, or that the account generalisation obscures the real humidity niche utilised.
|Vulnerable in Great Britain
|Vulnerable in Europe