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Species · Flowering plants

Hazel

Corylus avellana

33,120Records since 2000
MayPeak month
125Counties with records
Least ConcernIUCN Red List

When it is recorded

Jan1,044
Feb1,320
Mar1,191
Apr3,188
May4,602
Jun4,287
Jul4,024
Aug3,709
Sep2,701
Oct1,972
Nov1,114
Dec545

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

Where it is recorded

#CountyNationRecordsShare
1Worcestershire England3,541
2Powys Wales947
3Sefton England778
4Argyll and Bute Scotland647
5Herefordshire, County of England638
6Essex England588
7Devon England547
8Surrey England538
9Liverpool England525
10Oxfordshire England469
11North Yorkshire England418
12Sheffield England412
13Halton England406
14Highland Scotland389
15Suffolk England388
22,253 England1,743 Scotland1,612 Wales137 Northern Ireland

Records per county (GADM level 2) and per nation; one record can count towards several areas. 125 counties in all.

About this species

Records since 2000
33,120
Peak month
May
Counties with records
125
IUCN Red List
Least Concern
Scientific name
Corylus avellana
Group
Flowering plants
NBN Atlas records since 2000
73,789
Conservation designations
GB Red List (2001 IUCN criteria)
Kingdom
Plantae
Phylum
Tracheophyta
Class
Magnoliopsida
Order
Fagales
Family
Betulaceae
Genus
Corylus
Name with authority
Corylus avellana L.
Contributing datasets
57

Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · Wikidata Q124969 · GBIF 2875979