When it is recorded
Jan0
Feb0
Mar44
Apr462
May364
Jun40
Jul63
Aug32
Sep546
Oct395
Nov137
Dec0
GBIF records by month, 2000–2025 (all years combined).
Where it is recorded
| # | County | Nation | Records | Share |
|---|---|---|---|---|
| 1 | Powys | Wales | 388 | |
| 2 | Carmarthenshire | Wales | 210 | |
| 3 | Gwynedd | Wales | 183 | |
| 4 | Pembrokeshire | Wales | 183 | |
| 5 | Wrexham | Wales | 149 | |
| 6 | Denbighshire | Wales | 149 | |
| 7 | Ceredigion | Wales | 126 | |
| 8 | Isle of Anglesey | Wales | 119 | |
| 9 | Monmouthshire | Wales | 116 | |
| 10 | Conwy | Wales | 73 | |
| 11 | Swansea | Wales | 53 | |
| 12 | Herefordshire, County of | England | 5 | |
| 13 | Worcestershire | England | 1 |
26 England2,057 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
- 2,083
- Peak month
- September
- Counties with records
- 13
- Group
- Seaweeds and algae
- NBN Atlas records since 2000
- 2,083
- Most recorded in
- Powys, Carmarthenshire, Gwynedd, Pembrokeshire, Wrexham, Denbighshire, Ceredigion, Isle of Anglesey, Monmouthshire, Conwy, Swansea
- Kingdom
- Chromista
- Phylum
- Ochrophyta
- Class
- Bacillariophyceae
- Order
- Achnanthales
- Family
- Achnanthidiaceae
- Genus
- Planothidium
- Name with authority
- Planothidium frequentissimum (Lange-Bertalot) Lange-Bertalot, 1999
- Described
- 1999
- Contributing datasets
- 1
Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · GBIF 7649521