When it is recorded
Jan0
Feb0
Mar0
Apr28
May19
Jun0
Jul0
Aug0
Sep5
Oct10
Nov1
Dec0
GBIF records by month, 2000–2025 (all years combined).
Where it is recorded
| # | County | Nation | Records | Share |
|---|---|---|---|---|
| 1 | Isle of Anglesey | Wales | 12 | |
| 2 | Denbighshire | Wales | 9 | |
| 3 | Gwynedd | Wales | 8 | |
| 4 | Pembrokeshire | Wales | 8 | |
| 5 | Wrexham | Wales | 6 | |
| 6 | Powys | Wales | 2 | |
| 7 | Conwy | Wales | 2 | |
| 8 | Ceredigion | Wales | 1 | |
| 9 | Swansea | Wales | 1 |
63 Wales
Records per county (GADM level 2) and per nation; one record can count towards several areas. 9 counties in all.
About this species
- Records since 2000
- 63
- Peak month
- April
- Counties with records
- 9
- Group
- Seaweeds and algae
- NBN Atlas records since 2000
- 63
- Kingdom
- Chromista
- Phylum
- Ochrophyta
- Class
- Bacillariophyceae
- Order
- Fragilariales
- Family
- Fragilariaceae
- Genus
- Diatoma
- Name with authority
- Diatoma problematica Lange-Bertalot, 1993
- Described
- 1993
Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · Wikidata Q56692438 · GBIF 6754471