When it is recorded
Jan1
Feb2
Mar2
Apr3
May14
Jun14
Jul10
Aug32
Sep22
Oct2
Nov1
Dec4
GBIF records by month, 2000–2025 (all years combined).
Where it is recorded
| # | County | Nation | Records | Share |
|---|---|---|---|---|
| 1 | Argyll and Bute | Scotland | 6 | |
| 2 | Ards and North Down | Northern Ireland | 6 | |
| 3 | Essex | England | 5 | |
| 4 | Cornwall | England | 4 | |
| 5 | Newry, Mourne and Down | Northern Ireland | 4 | |
| 6 | Plymouth | England | 4 | |
| 7 | Suffolk | England | 3 | |
| 8 | Isles of Scilly | England | 3 | |
| 9 | Mid and East Antrim | Northern Ireland | 3 | |
| 10 | Norfolk | England | 2 | |
| 11 | East Riding of Yorkshire | England | 2 | |
| 12 | Causeway Coast and Glens | Northern Ireland | 2 | |
| 13 | Dorset | England | 1 | |
| 14 | Cumbria | England | 1 | |
| 15 | Pembrokeshire | Wales | 1 |
51 England14 Scotland2 Wales28 Northern Ireland
Records per county (GADM level 2) and per nation; one record can count towards several areas. 18 counties in all.
About this species
- Records since 2000
- 111
- Peak month
- August
- Counties with records
- 18
- Group
- Seaweeds and algae
- NBN Atlas records since 2000
- 98
- Kingdom
- Plantae
- Phylum
- Chlorophyta
- Class
- Ulvophyceae
- Order
- Ulvales
- Family
- Ulvaceae
- Genus
- Ulva
- Name with authority
- Ulva rigida C.Agardh
Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · Wikidata Q3548113 · GBIF 5273416