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Species · Lichens

Dark Gray Boulder Lichen

Porpidia cinereoatra

1,081Records since 2000
MayPeak month
50Counties with records

When it is recorded

Jan34
Feb50
Mar70
Apr107
May129
Jun101
Jul118
Aug113
Sep106
Oct78
Nov69
Dec26

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

Where it is recorded

#CountyNationRecordsShare
1Highland Scotland147
2Cornwall England106
3Devon England97
4Gwynedd Wales48
5Argyll and Bute Scotland47
6Powys Wales44
7Perth and Kinross Scotland35
8Cumbria England27
9Herefordshire, County of England25
10Orkney Islands Scotland24
11Carmarthenshire Wales23
12Worcestershire England22
13Na h-Eileanan Siar Scotland18
14Ceredigion Wales16
15Stirling Scotland16
497 England393 Scotland155 Wales25 Northern Ireland

Records per county (GADM level 2) and per nation; one record can count towards several areas. 50 counties in all.

About this species

Records since 2000
1,081
Peak month
May
Counties with records
50
Scientific name
Porpidia cinereoatra
Group
Lichens
NBN Atlas records since 2000
96
Most recorded in
Highland, Cornwall, Devon
Conservation designations
GB Red List (2001 IUCN criteria)
Kingdom
Fungi
Phylum
Ascomycota
Class
Lecanoromycetes
Order
Lecideales
Family
Lecideaceae
Genus
Porpidia
Name with authority
Porpidia cinereoatra (Ach.) Hertel & Knoph
Contributing datasets
26

Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · Wikidata Q10637877 · GBIF 2603475