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Species · Seaweeds and algae

Thongweed

Himanthalia elongata

1,763Records since 2000
AugustPeak month
33Counties with records

When it is recorded

Jan53
Feb15
Mar89
Apr100
May194
Jun199
Jul192
Aug358
Sep292
Oct110
Nov63
Dec74

GBIF records by month, 2000–2025 (all years combined).

Where it is recorded

#CountyNationRecordsShare
1Cornwall England168
2Plymouth England81
3Devon England71
4Causeway Coast and Glens Northern Ireland70
5Argyll and Bute Scotland52
6Isles of Scilly England46
7Ards and North Down Northern Ireland42
8Gwynedd Wales35
9Torbay England31
10Highland Scotland29
11North Yorkshire England29
12Scottish Borders Scotland28
13Orkney Islands Scotland28
14Pembrokeshire Wales22
15Na h-Eileanan Siar Scotland22
946 England315 Scotland88 Wales240 Northern Ireland

Records per county (GADM level 2) and per nation; one record can count towards several areas. 33 counties in all.

About this species

Records since 2000
1,763
Peak month
August
Counties with records
33
Scientific name
Himanthalia elongata
Group
Seaweeds and algae
NBN Atlas records since 2000
1,639
Kingdom
Chromista
Phylum
Ochrophyta
Class
Phaeophyceae
Order
Fucales
Family
Himanthaliaceae
Genus
Himanthalia
Name with authority
Himanthalia elongata (L.) Gray
Contributing datasets
49

Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · Wikidata Q1636443 · GBIF 3197836