When it is recorded
Jan0
Feb0
Mar3
Apr82
May70
Jun5
Jul5
Aug5
Sep75
Oct70
Nov38
Dec0
GBIF records by month, 2000–2025 (all years combined).
Where it is recorded
| # | County | Nation | Records | Share |
|---|---|---|---|---|
| 1 | Gwynedd | Wales | 132 | |
| 2 | Ceredigion | Wales | 84 | |
| 3 | Powys | Wales | 60 | |
| 4 | Carmarthenshire | Wales | 15 | |
| 5 | Pembrokeshire | Wales | 14 | |
| 6 | Conwy | Wales | 10 | |
| 7 | Swansea | Wales | 9 | |
| 8 | Isle of Anglesey | Wales | 4 | |
| 9 | Monmouthshire | Wales | 3 | |
| 10 | Denbighshire | Wales | 3 | |
| 11 | Wrexham | Wales | 2 |
353 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
- 353
- Peak month
- April
- Counties with records
- 11
- Group
- Seaweeds and algae
- Most recorded in
- Gwynedd, Ceredigion, Powys
- Kingdom
- Chromista
- Phylum
- Ochrophyta
- Class
- Bacillariophyceae
- Order
- Fragilariales
- Family
- Fragilariaceae
- Genus
- Synedra
- Name with authority
- Synedra bilunaris
Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · GBIF 9748776