When it is recorded
Jan34
Feb27
Mar16
Apr379
May109
Jun89
Jul211
Aug361
Sep1,300
Oct32
Nov32
Dec3
GBIF records by month, 2000–2025 (all years combined).
Where it is recorded
| # | County | Nation | Records | Share |
|---|---|---|---|---|
| 1 | Cornwall | England | 16 | |
| 2 | Argyll and Bute | Scotland | 14 | |
| 3 | Highland | Scotland | 12 | |
| 4 | Na h-Eileanan Siar | Scotland | 5 | |
| 5 | Pembrokeshire | Wales | 3 | |
| 6 | Shetland Islands | — | 1 |
1,024 England1,285 Scotland41 Wales71 Northern Ireland
Records per county (GADM level 2) and per nation; one record can count towards several areas. 6 counties in all.
About this species
- Records since 2000
- 2,671
- Peak month
- September
- Counties with records
- 6
- Scientific name
- Phymatolithon calcareum
- Also known as
- Maerl
- Group
- Seaweeds and algae
- NBN Atlas records since 2000
- 2,625
- Conservation designations
- Habitats Directive, Biodiversity List – Northern Ireland, Biodiversity List – England, Biodiversity List – Wales, UK BAP priority species, Scottish Biodiversity List
- Kingdom
- Plantae
- Phylum
- Rhodophyta
- Class
- Florideophyceae
- Order
- Corallinales
- Family
- Hapalidiaceae
- Genus
- Phymatolithon
- Name with authority
- Phymatolithon calcareum (Pallas) Adey & D.L.McKibbin
- Contributing datasets
- 28
Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · Wikidata Q3381976 · GBIF 2654944