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Species · Flowering plants

Square-stalked Willowherb

Epilobium tetragonum

2,928Records since 2000
AprilPeak month
107Counties with records

When it is recorded

Jan55
Feb134
Mar592
Apr622
May270
Jun281
Jul274
Aug205
Sep65
Oct45
Nov31
Dec18

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

Where it is recorded

#CountyNationRecordsShare
1Worcestershire England259
2Norfolk England134
3Suffolk England92
4Cambridgeshire England85
5Essex England76
6Surrey England66
7Kent England61
8Oxfordshire England46
9Herefordshire, County of England46
10Devon England43
11Gloucestershire England41
12Lincolnshire England37
13Cornwall England34
14North Yorkshire England34
15Northamptonshire England30
1,194 England10 Scotland17 Wales

Records per county (GADM level 2) and per nation; one record can count towards several areas. 107 counties in all.

About this species

Records since 2000
2,928
Peak month
April
Counties with records
107
Scientific name
Epilobium tetragonum
Group
Flowering plants
NBN Atlas records since 2000
15,052
Conservation designations
GB Red List (2001 IUCN criteria)
Kingdom
Plantae
Phylum
Tracheophyta
Class
Magnoliopsida
Order
Myrtales
Family
Onagraceae
Genus
Epilobium
Name with authority
Epilobium tetragonum L.
Contributing datasets
35

Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · Wikidata Q159604 · GBIF 7322563