When it is recorded
Jan0
Feb0
Mar6
Apr64
May51
Jun2
Jul16
Aug5
Sep70
Oct48
Nov8
Dec0
GBIF records by month, 2000–2025 (all years combined).
Where it is recorded
| # | County | Nation | Records | Share |
|---|---|---|---|---|
| 1 | Powys | Wales | 43 | |
| 2 | Carmarthenshire | Wales | 37 | |
| 3 | Pembrokeshire | Wales | 29 | |
| 4 | Swansea | Wales | 23 | |
| 5 | Gwynedd | Wales | 18 | |
| 6 | Ceredigion | Wales | 11 | |
| 7 | Monmouthshire | Wales | 9 | |
| 8 | Isle of Anglesey | Wales | 5 | |
| 9 | Wrexham | Wales | 4 | |
| 10 | Denbighshire | Wales | 3 | |
| 11 | Conwy | Wales | 2 |
270 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
- 270
- Peak month
- September
- Counties with records
- 11
- Group
- Seaweeds and algae
- Kingdom
- Chromista
- Phylum
- Ochrophyta
- Class
- Bacillariophyceae
- Order
- Achnanthales
- Family
- Achnanthaceae
- Genus
- Achnanthes
- Name with authority
- Achnanthes subatomus Hustedt, 1939
- Described
- 1939
Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · GBIF 8229138