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Species · Flowering plants

Common Duckweed

Lemna minor

4,152Records since 2000
JulyPeak month
104Counties with records
Least ConcernIUCN Red List

When it is recorded

Jan27
Feb29
Mar61
Apr150
May299
Jun628
Jul812
Aug792
Sep323
Oct103
Nov37
Dec14

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

Where it is recorded

#CountyNationRecordsShare
1Worcestershire England588
2Suffolk England298
3Doncaster England180
4Norfolk England155
5Powys Wales133
6Sefton England108
7North Lincolnshire England99
8Monmouthshire Wales98
9North Yorkshire England93
10Herefordshire, County of England91
11Pembrokeshire Wales87
12Fermanagh and Omagh Northern Ireland85
13Nottinghamshire England82
14Cambridgeshire England76
15East Riding of Yorkshire England53
3,065 England230 Scotland586 Wales177 Northern Ireland

Records per county (GADM level 2) and per nation; one record can count towards several areas. 104 counties in all.

About this species

Records since 2000
4,152
Peak month
July
Counties with records
104
IUCN Red List
Least Concern
Scientific name
Lemna minor
Group
Flowering plants
NBN Atlas records since 2000
27,236
Conservation designations
GB Red List (2001 IUCN criteria)
Kingdom
Plantae
Phylum
Tracheophyta
Class
Liliopsida
Order
Alismatales
Family
Araceae
Genus
Lemna
Name with authority
Lemna minor L.
Contributing datasets
45

Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · Wikidata Q26875 · GBIF 2867589