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Species · Lichens

Calcareous scribble lichen

Arthonia calcarea

1,258Records since 2000
AugustPeak month
57Counties with records

When it is recorded

Jan43
Feb82
Mar114
Apr103
May107
Jun123
Jul151
Aug162
Sep118
Oct95
Nov100
Dec27

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

Where it is recorded

#CountyNationRecordsShare
1Cornwall England110
2Dorset England88
3Devon England77
4Norfolk England60
5Lincolnshire England60
6Gloucestershire England48
7Shetland Islands —39
8East Lothian Scotland32
9Highland Scotland30
10Somerset England26
11Pembrokeshire Wales26
12Isle of Wight England25
13Gwynedd Wales24
14Orkney Islands Scotland24
15Kent England22
869 England255 Scotland96 Wales21 Northern Ireland

Records per county (GADM level 2) and per nation; one record can count towards several areas. 57 counties in all.

About this species

Records since 2000
1,258
Peak month
August
Counties with records
57
Scientific name
Arthonia calcarea
Group
Lichens
NBN Atlas records since 2000
79
Conservation designations
GB Red List (2001 IUCN criteria)
Kingdom
Fungi
Phylum
Ascomycota
Class
Arthoniomycetes
Order
Arthoniales
Family
Arthoniaceae
Genus
Arthonia
Name with authority
Arthonia calcarea (Turner ex Sm.) Ertz & Diederich
Contributing datasets
24

Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · Wikidata Q49625959 · GBIF 3549313