When it is recorded
Jan0
Feb1
Mar2
Apr21
May103
Jun117
Jul292
Aug387
Sep201
Oct21
Nov4
Dec0
GBIF records by month, 2000–2025 (all years combined).
Where it is recorded
| # | County | Nation | Records | Share |
|---|---|---|---|---|
| 1 | Norfolk | England | 260 | |
| 2 | Kent | England | 199 | |
| 3 | Somerset | England | 93 | |
| 4 | Cambridgeshire | England | 68 | |
| 5 | Suffolk | England | 54 | |
| 6 | Worcestershire | England | 45 | |
| 7 | Fermanagh and Omagh | Northern Ireland | 33 | |
| 8 | Sheffield | England | 16 | |
| 9 | Devon | England | 10 | |
| 10 | Powys | Wales | 9 | |
| 11 | Bristol, City of | England | 8 | |
| 12 | Oxfordshire | England | 6 | |
| 13 | Lincolnshire | England | 4 | |
| 14 | North Yorkshire | England | 4 | |
| 15 | Northamptonshire | England | 4 |
1,113 England5 Scotland35 Wales33 Northern Ireland
Records per county (GADM level 2) and per nation; one record can count towards several areas. 35 counties in all.
About this species
- Records since 2000
- 1,205
- Peak month
- August
- Counties with records
- 35
- IUCN Red List
- Least Concern
- Scientific name
- Hydrocharis morsus-ranae
- Group
- Flowering plants
- NBN Atlas records since 2000
- 2,513
- Most recorded in
- Norfolk, Kent, Somerset, Cambridgeshire, Suffolk
- Conservation designations
- GB Red List (2001 IUCN criteria)
- Kingdom
- Plantae
- Phylum
- Tracheophyta
- Class
- Liliopsida
- Order
- Alismatales
- Family
- Hydrocharitaceae
- Genus
- Hydrocharis
- Name with authority
- Hydrocharis morsus-ranae L.
- Contributing datasets
- 22
Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · Wikidata Q158913 · GBIF 5329266