Where Brown rib-weed has been recorded
GBIF occurrence records for Alaria esculenta, mapped and tabulated by country.
8,720 georeferenced occurrence records with coordinates are published for Alaria esculenta through GBIF, from 23 countries or marine areas. This page maps those records and lists where they come from. Occurrence records reflect where people have looked as well as where the species lives, so well-surveyed coastlines are over-represented.
- Georeferenced records
- 8,720
- Countries / areas
- 23
- Mapped locations
- 211
- Records sampled for the map
- 3,000
- Inland records omitted
- 143
- Gbif taxonkey
- 5422592
Countries and areas with the most records (GBIF)
United Kingdom of Great Britain and Northern Ireland — 4,113 records; Canada — 1,307 records; United States of America — 831 records; Ireland — 654 records; Norway — 594 records; Faroe Islands — 318 records; Iceland — 306 records; France — 191 records; Isle of Man — 118 records; Portugal — 61 records; Svalbard and Jan Mayen — 48 records; Greenland — 39 records; Netherlands — 30 records; Russian Federation — 26 records; Jersey — 17 records.
Source: GBIF Occurrence Search (taxonKey 5422592) — https://www.gbif.org/occurrence/search?taxon_key=5422592&has_coordinate=true (records CC0 / CC BY). Accessed 2026-09-23.
Marine regions with a WoRMS distribution record
European waters (ERMS scope); North West Atlantic; Dutch Exclusive Economic Zone; North Sea; Gulf of Maine; Arctic Ocean; Norwegian Exclusive Economic Zone; USA; Irish Exclusive economic Zone; Europe; Celtic Seas; Faroe Plateau; Temperate Northern Atlantic; South and West Iceland; Arctic; Temperate Northern Pacific; Northern Norway and Finnmark.
Source: WoRMS distribution records (MarineRegions) — https://www.marinespecies.org/aphia.php?p=taxdetails&id=145716 (CC BY 4.0). Accessed 2026-09-23.
How to read this map
The map plots a sample of 3,000 of the 8,720 records, deduplicated to a half-degree grid, so dense areas do not merge into one blob. The sample covers 20 of the 23 countries or areas with records; the areas absent from the sample hold 26 records in total (Denmark, Germany, Saint Pierre and Miquelon).
143 records plotting inland were omitted: for a marine species those are almost always the holding institution's coordinates rather than a collection site.
Records show where the species has been observed and reported, not a modelled range.
Source: GBIF Occurrence Search (taxonKey 5422592) — https://www.gbif.org/occurrence/search?taxon_key=5422592&has_coordinate=true (records CC0 / CC BY); WoRMS distribution records (MarineRegions) — https://www.marinespecies.org/aphia.php?p=taxdetails&id=145716 (CC BY 4.0); Natural Earth 110m basemap — https://www.naturalearthdata.com/ (public domain). Accessed 2026-09-23.
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