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Species · Fungi

Sycamore Tarspot

Rhytisma acerinum

5,798Records since 2000
OctoberPeak month
115Counties with records

When it is recorded

Jan255
Feb180
Mar135
Apr148
May96
Jun32
Jul310
Aug848
Sep1,303
Oct1,492
Nov688
Dec172

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

Where it is recorded

#CountyNationRecordsShare
1Norfolk England559
2Sefton England480
3Cambridgeshire England308
4Argyll and Bute Scotland234
5Highland Scotland227
6Cornwall England169
7Worcestershire England121
8Oxfordshire England94
9Cheshire East England89
10Rutland England87
11Halton England86
12Gloucestershire England81
13Liverpool England75
14Somerset England67
15Kent England64
4,357 England912 Scotland240 Wales261 Northern Ireland

Records per county (GADM level 2) and per nation; one record can count towards several areas. 115 counties in all.

About this species

Records since 2000
5,798
Peak month
October
Counties with records
115
Scientific name
Rhytisma acerinum
Group
Fungi
NBN Atlas records since 2000
3,664
Kingdom
Fungi
Phylum
Ascomycota
Class
Leotiomycetes
Order
Rhytismatales
Family
Rhytismataceae
Genus
Rhytisma
Name with authority
Rhytisma acerinum (Pers.) Fr.
Contributing datasets
33

Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · Wikidata Q163458 · GBIF 9117055