When it is recorded
Jan0
Feb0
Mar7
Apr115
May145
Jun18
Jul59
Aug19
Sep227
Oct99
Nov9
Dec0
GBIF records by month, 2000–2025 (all years combined).
Where it is recorded
| # | County | Nation | Records | Share |
|---|---|---|---|---|
| 1 | Powys | Wales | 145 | |
| 2 | Monmouthshire | Wales | 106 | |
| 3 | Isle of Anglesey | Wales | 52 | |
| 4 | Carmarthenshire | Wales | 44 | |
| 5 | Wrexham | Wales | 42 | |
| 6 | Denbighshire | Wales | 39 | |
| 7 | Swansea | Wales | 38 | |
| 8 | Gwynedd | Wales | 17 | |
| 9 | Pembrokeshire | Wales | 13 | |
| 10 | Herefordshire, County of | England | 8 | |
| 11 | Conwy | Wales | 7 | |
| 12 | Ceredigion | Wales | 4 | |
| 13 | Worcestershire | England | 2 | |
| 14 | Isle of Wight | England | 1 | |
| 15 | North Lanarkshire | Scotland | 1 |
29 England1 Scotland668 Wales
Records per county (GADM level 2) and per nation; one record can count towards several areas. 15 counties in all.
About this species
- Records since 2000
- 698
- Peak month
- September
- Counties with records
- 15
- Group
- Seaweeds and algae
- NBN Atlas records since 2000
- 697
- Most recorded in
- Powys, Monmouthshire, Isle of Anglesey
- Kingdom
- Chromista
- Phylum
- Ochrophyta
- Class
- Bacillariophyceae
- Order
- Fragilariales
- Family
- Fragilariaceae
- Genus
- Diatoma
- Name with authority
- Diatoma vulgaris Bory de Saint-Vincent, 1824
- Described
- 1824
- Contributing datasets
- 3
Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · Wikidata Q63180710 · GBIF 6754458