About Earthynature of Britain
  1. Home
  2. Species
  3. Coral Maërl
Species · Seaweeds and algae

Coral Maërl

Lithothamnion corallioides

1,143Records since 2000
SeptemberPeak month
6Counties with records

When it is recorded

Jan0
Feb1
Mar1
Apr1
May3
Jun10
Jul55
Aug60
Sep1,002
Oct7
Nov0
Dec0

GBIF records by month, 2000–2025 (all years combined).

Where it is recorded

#CountyNationRecordsShare
1Pembrokeshire Wales22
2Cornwall England7
3Ards and North Down Northern Ireland2
4Highland Scotland1
5Orkney Islands Scotland1
6Newry, Mourne and Down Northern Ireland1
1,045 England21 Scotland22 Wales6 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
1,143
Peak month
September
Counties with records
6
Scientific name
Lithothamnion corallioides
Also known as
Maerl
Group
Seaweeds and algae
NBN Atlas records since 2000
1,114
Conservation designations
Habitats Directive, Rare and scarce (non-IUCN status), Biodiversity List – England, Biodiversity List – Wales, UK BAP priority species, Scottish Biodiversity List
Kingdom
Plantae
Phylum
Rhodophyta
Class
Florideophyceae
Order
Corallinales
Family
Hapalidiaceae
Genus
Lithothamnion
Name with authority
Lithothamnion corallioides (P.Crouan & H.Crouan) P.Crouan & H.Crouan, 1867
Described
1867
Contributing datasets
12

Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · Wikidata Q10319090 · GBIF 2655341