When it is recorded
Jan2
Feb1
Mar5
Apr11
May32
Jun38
Jul55
Aug55
Sep36
Oct12
Nov2
Dec4
GBIF records by month, 2000–2025 (all years combined).
Where it is recorded
| # | County | Nation | Records | Share |
|---|---|---|---|---|
| 1 | Gwynedd | Wales | 20 | |
| 2 | Ards and North Down | Northern Ireland | 15 | |
| 3 | Causeway Coast and Glens | Northern Ireland | 13 | |
| 4 | Newry, Mourne and Down | Northern Ireland | 12 | |
| 5 | Argyll and Bute | Scotland | 11 | |
| 6 | Pembrokeshire | Wales | 8 | |
| 7 | Kent | England | 6 | |
| 8 | Cornwall | England | 5 | |
| 9 | Na h-Eileanan Siar | Scotland | 5 | |
| 10 | Mid and East Antrim | Northern Ireland | 5 | |
| 11 | Lincolnshire | England | 4 | |
| 12 | Belfast | Northern Ireland | 4 | |
| 13 | Norfolk | England | 3 | |
| 14 | Highland | Scotland | 3 | |
| 15 | Devon | England | 3 |
43 England51 Scotland33 Wales92 Northern Ireland
Records per county (GADM level 2) and per nation; one record can count towards several areas. 24 counties in all.
About this species
- Records since 2000
- 254
- Peak month
- July
- Counties with records
- 24
- Group
- Seaweeds and algae
- NBN Atlas records since 2000
- 252
- Kingdom
- Plantae
- Phylum
- Chlorophyta
- Class
- Ulvophyceae
- Order
- Ulvales
- Family
- Ulvaceae
- Genus
- Ulva
- Name with authority
- Ulva compressa L.
Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · Wikidata Q14551924 · GBIF 5273322