When it is recorded
Jan20
Feb0
Mar11
Apr63
May68
Jun18
Jul17
Aug9
Sep147
Oct89
Nov31
Dec0
GBIF records by month, 2000–2025 (all years combined).
Where it is recorded
| # | County | Nation | Records | Share |
|---|---|---|---|---|
| 1 | Isle of Anglesey | Wales | 52 | |
| 2 | Wrexham | Wales | 52 | |
| 3 | Pembrokeshire | Wales | 51 | |
| 4 | Gwynedd | Wales | 48 | |
| 5 | Powys | Wales | 47 | |
| 6 | Monmouthshire | Wales | 31 | |
| 7 | Denbighshire | Wales | 27 | |
| 8 | Oxfordshire | England | 20 | |
| 9 | Carmarthenshire | Wales | 18 | |
| 10 | Conwy | Wales | 15 | |
| 11 | Swansea | Wales | 5 | |
| 12 | Ceredigion | Wales | 4 | |
| 13 | City of Edinburgh | Scotland | 1 |
4 England444 Wales
Records per county (GADM level 2) and per nation; one record can count towards several areas. 13 counties in all.
About this species
- Records since 2000
- 473
- Peak month
- September
- Counties with records
- 13
- Group
- Seaweeds and algae
- NBN Atlas records since 2000
- 445
- Most recorded in
- Isle of Anglesey, Wrexham, Pembrokeshire
- Kingdom
- Chromista
- Phylum
- Ochrophyta
- Class
- Bacillariophyceae
- Order
- Bacillariales
- Family
- Bacillariaceae
- Genus
- Nitzschia
- Name with authority
- Nitzschia amphibia Grunow, 1862
- Described
- 1862
- Contributing datasets
- 3
Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · GBIF 7693977