When it is recorded
Jan0
Feb0
Mar41
Apr465
May460
Jun54
Jul34
Aug19
Sep546
Oct458
Nov171
Dec0
GBIF records by month, 2000–2025 (all years combined).
Where it is recorded
| # | County | Nation | Records | Share |
|---|---|---|---|---|
| 1 | Gwynedd | Wales | 514 | |
| 2 | Powys | Wales | 452 | |
| 3 | Ceredigion | Wales | 227 | |
| 4 | Carmarthenshire | Wales | 208 | |
| 5 | Pembrokeshire | Wales | 199 | |
| 6 | Conwy | Wales | 110 | |
| 7 | Denbighshire | Wales | 105 | |
| 8 | Wrexham | Wales | 93 | |
| 9 | Isle of Anglesey | Wales | 56 | |
| 10 | Swansea | Wales | 46 | |
| 11 | Monmouthshire | Wales | 23 | |
| 12 | Aberdeenshire | Scotland | 4 |
8 England4 Scotland2,236 Wales
Records per county (GADM level 2) and per nation; one record can count towards several areas. 12 counties in all.
About this species
- Records since 2000
- 2,248
- Peak month
- September
- Counties with records
- 12
- Group
- Seaweeds and algae
- NBN Atlas records since 2000
- 2,248
- Most recorded in
- Gwynedd, Powys, Ceredigion, Carmarthenshire, Pembrokeshire, Conwy, Denbighshire, Wrexham, Isle of Anglesey
- Kingdom
- Chromista
- Phylum
- Ochrophyta
- Class
- Bacillariophyceae
- Order
- Achnanthales
- Family
- Achnanthaceae
- Genus
- Achnanthes
- Name with authority
- Achnanthes oblongella Østrup, 1902
- Described
- 1902
- Contributing datasets
- 2
Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · GBIF 9207094