Where Ulothrix flacca has been recorded
GBIF occurrence records for Ulothrix flacca, mapped and tabulated by country.
1,753 georeferenced occurrence records with coordinates are published for Ulothrix flacca through GBIF, from 34 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
- 1,753
- Countries / areas
- 34
- Mapped locations
- 157
- Records sampled for the map
- 1,753
- Inland records omitted
- 177
- Gbif taxonkey
- 2646293
Countries and areas with the most records (GBIF)
United Kingdom of Great Britain and Northern Ireland — 386 records; Iceland — 249 records; United States of America — 237 records; Japan — 124 records; Netherlands — 117 records; Korea, Republic of — 109 records; Canada — 102 records; Sweden — 74 records; Faroe Islands — 70 records; Denmark — 58 records; Ireland — 54 records; Spain — 40 records; Germany — 29 records; France — 25 records; Norway — 25 records.
Source: GBIF Occurrence Search (taxonKey 2646293) — https://www.gbif.org/occurrence/search?taxon_key=2646293&has_coordinate=true (records CC0 / CC BY). Accessed 2026-09-23.
Marine regions with a WoRMS distribution record
European waters (ERMS scope); Mediterranean Sea; North West Atlantic; Belgian Exclusive Economic Zone; Boulogne, Digue du Nord; Boulogne, Pointe de la Creche; Zeebrugge; South Africa (country); Wimereux; Gulf of Maine; Gulf of Mexico; Irish Exclusive economic Zone; Azores Exclusive Economic Zone; Polish Exclusive Economic Zone; Azores Canaries Madeira.
Source: WoRMS distribution records (MarineRegions) — https://www.marinespecies.org/aphia.php?p=taxdetails&id=145925 (CC BY 4.0). Accessed 2026-09-23.
How to read this map
The map plots a sample of 1,753 of the 1,753 records, deduplicated to a half-degree grid, so dense areas do not merge into one blob. The sample covers 34 of the 34 countries or areas with records; the areas absent from the sample hold 0 records in total.
177 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 2646293) — https://www.gbif.org/occurrence/search?taxon_key=2646293&has_coordinate=true (records CC0 / CC BY); WoRMS distribution records (MarineRegions) — https://www.marinespecies.org/aphia.php?p=taxdetails&id=145925 (CC BY 4.0); Natural Earth 110m basemap — https://www.naturalearthdata.com/ (public domain). Accessed 2026-09-23.
Gallery
Elsewhere in Ulothrix flacca
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