When it is recorded
Jan0
Feb5
Mar23
Apr47
May37
Jun9
Jul14
Aug16
Sep44
Oct34
Nov13
Dec1
GBIF records by month, 2000–2025 (all years combined).
Where it is recorded
| # | County | Nation | Records | Share |
|---|---|---|---|---|
| 1 | Gwynedd | Wales | 41 | |
| 2 | Denbighshire | Wales | 25 | |
| 3 | Monmouthshire | Wales | 23 | |
| 4 | Isle of Anglesey | Wales | 21 | |
| 5 | Wrexham | Wales | 15 | |
| 6 | Conwy | Wales | 12 | |
| 7 | Dorset | England | 10 | |
| 8 | Carmarthenshire | Wales | 10 | |
| 9 | Pembrokeshire | Wales | 9 | |
| 10 | Powys | Wales | 6 | |
| 11 | Na h-Eileanan Siar | Scotland | 6 | |
| 12 | Nottinghamshire | England | 5 | |
| 13 | Ceredigion | Wales | 4 | |
| 14 | Falkirk | Scotland | 4 | |
| 15 | Cambridgeshire | England | 3 |
38 England17 Scotland191 Wales1 Northern Ireland
Records per county (GADM level 2) and per nation; one record can count towards several areas. 31 counties in all.
About this species
- Records since 2000
- 247
- Peak month
- April
- Counties with records
- 31
- Group
- Flatworms
- NBN Atlas records since 2000
- 157
- Kingdom
- Animalia
- Phylum
- Platyhelminthes
- Order
- Tricladida
- Family
- Planariidae
- Genus
- Polycelis
- Name with authority
- Polycelis nigra (Müller, 1774)
- Described
- 1774
Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · Wikidata Q1906252 · GBIF 2502886