Status
Native status
Non-native
First reported in the wild
1950
Invasiveness
Invasive species - risk of Medium Impact
Irish status
Established
Introduction pathways - 1
Uncertain
Invasive score
16
NAPRA Ireland risk assessed
No
Species Biology
Identification
Dark green alga.
Habitat
Marine
Mechanism of impact
Competition, Bio-fouling
Broad environment
Marine
Species group
Plant
Native region
Temperate Asia
Distribution
World distribution(GBIF)
Temporal change
Date of first record category
1941-1950
Fifty year date category
1901-1950
Records submitted to Data Centre in 2024
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How can you help
Report any sightings to the National Biodiversity Data Centre.
Further information
Delivering Alien Invasive Species In Europe (DAISIE) project list this as one of the 100 Worst Invaders in Europe.
References
Publications
Minchin, D. (2007) A checklist of alien and cryptogenic aquatic species in Ireland. Aquatic Invasions, 2(4), 341-366.