When it is recorded
Jan1
Feb0
Mar0
Apr3
May6
Jun18
Jul7
Aug6
Sep2
Oct3
Nov0
Dec0
GBIF records by month, 2000–2025 (all years combined).
Where it is recorded
| # | County | Nation | Records | Share |
|---|---|---|---|---|
| 1 | Gwynedd | Wales | 10 | |
| 2 | Mid and East Antrim | Northern Ireland | 7 | |
| 3 | Isle of Anglesey | Wales | 4 | |
| 4 | Highland | Scotland | 3 | |
| 5 | Worcestershire | England | 3 | |
| 6 | Causeway Coast and Glens | Northern Ireland | 3 | |
| 7 | Argyll and Bute | Scotland | 2 | |
| 8 | Pembrokeshire | Wales | 2 | |
| 9 | Powys | Wales | 2 | |
| 10 | Na h-Eileanan Siar | Scotland | 2 | |
| 11 | Fermanagh and Omagh | Northern Ireland | 2 | |
| 12 | Ceredigion | Wales | 1 | |
| 13 | Conwy | Wales | 1 | |
| 14 | Moray | Scotland | 1 |
4 England10 Scotland23 Wales12 Northern Ireland
Records per county (GADM level 2) and per nation; one record can count towards several areas. 14 counties in all.
About this species
- Records since 2000
- 52
- Peak month
- June
- Counties with records
- 14
- Group
- Seaweeds and algae
- NBN Atlas records since 2000
- 502
- Kingdom
- Plantae
- Phylum
- Charophyta
- Class
- Charophyceae
- Order
- Charales
- Family
- Characeae
- Genus
- Nitella
- Name with authority
- Nitella opaca (C.Agardh ex Bruzelius) C.Agardh
Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · Wikidata Q55625290 · GBIF 2637853