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Species · Flowering plants

Whorled Water-milfoil

Myriophyllum verticillatum

142Records since 2000
JulyPeak month
16Counties with records
Least ConcernIUCN Red List

When it is recorded

Jan0
Feb0
Mar1
Apr1
May9
Jun13
Jul39
Aug30
Sep20
Oct4
Nov2
Dec0

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

Where it is recorded

#CountyNationRecordsShare
1Norfolk England34
2Cambridgeshire England25
3Suffolk England25
4Oxfordshire England8
5Somerset England7
6Lincolnshire England4
7Fermanagh and Omagh Northern Ireland4
8Worcestershire England2
9Kent England1
10East Riding of Yorkshire England1
11Argyll and Bute Scotland1
12Doncaster England1
13Bristol, City of England1
14Isle of Anglesey Wales1
15North Lincolnshire England1
128 England1 Scotland4 Wales4 Northern Ireland

Records per county (GADM level 2) and per nation; one record can count towards several areas. 16 counties in all.

About this species

Records since 2000
142
Peak month
July
Counties with records
16
IUCN Red List
Least Concern
Scientific name
Myriophyllum verticillatum
Group
Flowering plants
NBN Atlas records since 2000
771
Conservation designations
GB Red List (2001 IUCN criteria)
Kingdom
Plantae
Phylum
Tracheophyta
Class
Magnoliopsida
Order
Saxifragales
Family
Haloragaceae
Genus
Myriophyllum
Name with authority
Myriophyllum verticillatum L.

Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · Wikidata Q158999 · GBIF 5361779