When it is recorded
Jan0
Feb0
Mar4
Apr44
May37
Jun6
Jul11
Aug4
Sep72
Oct38
Nov16
Dec0
GBIF records by month, 2000–2025 (all years combined).
Where it is recorded
| # | County | Nation | Records | Share |
|---|---|---|---|---|
| 1 | Monmouthshire | Wales | 38 | |
| 2 | Powys | Wales | 24 | |
| 3 | Denbighshire | Wales | 18 | |
| 4 | Wrexham | Wales | 15 | |
| 5 | Pembrokeshire | Wales | 13 | |
| 6 | Isle of Anglesey | Wales | 9 | |
| 7 | Gwynedd | Wales | 8 | |
| 8 | Carmarthenshire | Wales | 7 | |
| 9 | Swansea | Wales | 7 | |
| 10 | Ceredigion | Wales | 2 | |
| 11 | Conwy | Wales | 2 |
3 England229 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
- 232
- Peak month
- September
- Counties with records
- 11
- Group
- Seaweeds and algae
- NBN Atlas records since 2000
- 232
- Kingdom
- Chromista
- Phylum
- Ochrophyta
- Class
- Bacillariophyceae
- Order
- Naviculales
- Family
- Naviculaceae
- Genus
- Caloneis
- Name with authority
- Caloneis bacillum (Grunow) Cleve, 1894
- Described
- 1894
Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · Wikidata Q61998860 · GBIF 8305755