Giant Hogweed (Heracleum mantegazzianum) - Detail

Species Detail - Giant Hogweed (Heracleum mantegazzianum) - Species information displayed is based on all datasets.

Terrestrial Map - 10km

Distribution of the number of records recorded within each 10km grid square (ITM).

Live Map

Marine Map - 50km

Distribution of the number of records recorded within each 50km grid square (WGS84).

Live Map

Species image

Scientific Name Heracleum mantegazzianum

Common Name Giant Hogweed

Synonyms N/A

Designations Invasive Species: Invasive Species || Invasive Species: Invasive Species >> High Impact Invasive Species || Invasive Species: Invasive Species >> Regulation S.I. 477 (Ireland)

Abbreviation heman

Authority Sommier & Levier

Group flowering plant

Rank Species

Number Of Records 1550

Number Of 10Km Squares 221

Number Of 50Km Squares 81

Oldest Record 01/01/1600

Newest Record 21/08/2024

Phenology - earliest record (across all datasets) 2 January (recorded in 2018)

Phenology - latest record (across all datasets) 7 December (recorded in 1987)

Species Profiles

Citation National Biodiversity Data Centre, Ireland, Giant Hogweed (Heracleum mantegazzianum), accessed 26 December 2024, <https://maps.biodiversityireland.ie/Species/29131>

Species Detail - Giant Hogweed (Heracleum mantegazzianum) - Species information displayed is based on all datasets.

Terrestrial Map - 10km

Marine Map - 50km

Species image

Records per month (across all datasets)

Records per year (across all datasets)