When it is recorded
Jan0
Feb0
Mar18
Apr253
May185
Jun15
Jul11
Aug6
Sep120
Oct85
Nov32
Dec0
GBIF records by month, 2000–2025 (all years combined).
Where it is recorded
| # | County | Nation | Records | Share |
|---|---|---|---|---|
| 1 | Gwynedd | Wales | 186 | |
| 2 | Powys | Wales | 171 | |
| 3 | Carmarthenshire | Wales | 84 | |
| 4 | Ceredigion | Wales | 79 | |
| 5 | Pembrokeshire | Wales | 41 | |
| 6 | Denbighshire | Wales | 24 | |
| 7 | Conwy | Wales | 21 | |
| 8 | Wrexham | Wales | 16 | |
| 9 | Swansea | Wales | 15 | |
| 10 | Monmouthshire | Wales | 14 | |
| 11 | Isle of Anglesey | Wales | 8 |
2 England723 Wales
Records per county (GADM level 2) and per nation; one record can count towards several areas. 11 counties in all.
About this species
- Records since 2000
- 725
- Peak month
- April
- Counties with records
- 11
- Group
- Seaweeds and algae
- Most recorded in
- Gwynedd, Powys, Carmarthenshire, Ceredigion
- Kingdom
- Chromista
- Phylum
- Ochrophyta
- Class
- Bacillariophyceae
- Order
- Fragilariales
- Family
- Fragilariaceae
- Genus
- Diatoma
- Name with authority
- Diatoma hyemalis (Roth) Heiberg, 1863
- Described
- 1863
- Contributing datasets
- 1
Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · GBIF 6789250