Details of this species in United Kingdom (UK)
Source: Westbrooks, 1991; EPPO, 2005; EPPO, 2006; Cook et al, 2007
Introduction: Intentional (probably)
Species Notes for this Location:
Heracleum mantegazzium was first recorded in the UK at the Kew Botanic Gardens in 1817. In 1828 the first natural population was recorded in Cambridgeshire, England. It spread rapidly through the UK and throughout Europe (Klingenstein, 2007).
Management Notes for this Location:
According to the Wildlife and Countryside Act 1981 (Schedule 9, part II) and Nature Conservation (Scotland, GB) Act 2004, it is an offence to plant or cause to grow in the wild Heracleum mantegazzianum (EPPO, 2005).
Habitat alteration: The instability of river banks dominated by Heracleum mantegazzianum poses a serious threat to salmon spawning habits in Great Britain (Caffrey, 1999).
Hybridisation: Heracleum mantegazzianum hybridizies with European native Heracleum sphondylium (Klingenstein, 2007).
Last Modified: 23/02/2011 3:19:05 p.m.