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Species · Flowering plants

Horned Pondweed

Zannichellia palustris

246Records since 2000
AugustPeak month
32Counties with records
Least ConcernIUCN Red List

When it is recorded

Jan2
Feb0
Mar2
Apr4
May21
Jun33
Jul52
Aug70
Sep24
Oct5
Nov0
Dec0

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

Where it is recorded

#CountyNationRecordsShare
1Norfolk England30
2Worcestershire England28
3North Lincolnshire England25
4Cambridgeshire England19
5Angus Scotland13
6Suffolk England12
7East Riding of Yorkshire England10
8Lincolnshire England4
9North Yorkshire England4
10Powys Wales3
11Isle of Anglesey Wales3
12Monmouthshire Wales3
13Telford and Wrekin England3
14Sefton England2
15Doncaster England2
202 England17 Scotland18 Wales4 Northern Ireland

Records per county (GADM level 2) and per nation; one record can count towards several areas. 32 counties in all.

About this species

Records since 2000
246
Peak month
August
Counties with records
32
IUCN Red List
Least Concern
Scientific name
Zannichellia palustris
Group
Flowering plants
NBN Atlas records since 2000
2,838
Conservation designations
GB Red List (2001 IUCN criteria)
Kingdom
Plantae
Phylum
Tracheophyta
Class
Liliopsida
Order
Alismatales
Family
Potamogetonaceae
Genus
Zannichellia
Name with authority
Zannichellia palustris L.

Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · Wikidata Q159194 · GBIF 2756540