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Species · Seaweeds and algae

Rusty rock

Hildenbrandia rubra

1,190Records since 2000
SeptemberPeak month
32Counties with records

When it is recorded

Jan21
Feb11
Mar22
Apr131
May192
Jun176
Jul109
Aug167
Sep248
Oct21
Nov7
Dec2

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

Where it is recorded

#CountyNationRecordsShare
1Pembrokeshire Wales124
2Ceredigion Wales96
3Ards and North Down Northern Ireland48
4Scottish Borders Scotland42
5Gwynedd Wales26
6Causeway Coast and Glens Northern Ireland25
7Newry, Mourne and Down Northern Ireland25
8Cornwall England22
9Isle of Anglesey Wales19
10Mid and East Antrim Northern Ireland19
11Highland Scotland18
12Na h-Eileanan Siar Scotland16
13Shetland Islands —15
14Isles of Scilly England15
15Devon England12
170 England169 Scotland497 Wales299 Northern Ireland

Records per county (GADM level 2) and per nation; one record can count towards several areas. 32 counties in all.

About this species

Records since 2000
1,190
Peak month
September
Counties with records
32
Scientific name
Hildenbrandia rubra
Group
Seaweeds and algae
NBN Atlas records since 2000
1,207
Most recorded in
Pembrokeshire, Ceredigion
Kingdom
Plantae
Phylum
Rhodophyta
Class
Florideophyceae
Order
Hildenbrandiales
Family
Hildenbrandiaceae
Genus
Hildenbrandia
Name with authority
Hildenbrandia rubra (Sommerfelt) Meneghini
Contributing datasets
31

Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · Wikidata Q37785697 · GBIF 2665377