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Species · Flowering plants

Soft hornwort

Ceratophyllum submersum

104Records since 2000
AugustPeak month
10Counties with records
Least ConcernIUCN Red List

When it is recorded

Jan0
Feb0
Mar0
Apr4
May17
Jun11
Jul21
Aug28
Sep11
Oct6
Nov0
Dec0

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

Where it is recorded

#CountyNationRecordsShare
1Norfolk England25
2Essex England11
3Cambridgeshire England6
4Suffolk England6
5Somerset England6
6Devon England1
7Thurrock England1
8Bristol, City of England1
9Swansea Wales1
10Newry, Mourne and Down Northern Ireland1
99 England2 Wales

Records per county (GADM level 2) and per nation; one record can count towards several areas. 10 counties in all.

About this species

Records since 2000
104
Peak month
August
Counties with records
10
IUCN Red List
Least Concern
Scientific name
Ceratophyllum submersum
Group
Flowering plants
NBN Atlas records since 2000
554
Conservation designations
Biodiversity List – Northern Ireland, GB Red List (2001 IUCN criteria)
Kingdom
Plantae
Phylum
Tracheophyta
Class
Magnoliopsida
Order
Ceratophyllales
Family
Ceratophyllaceae
Genus
Ceratophyllum
Name with authority
Ceratophyllum submersum L.

Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · Wikidata Q148111 · GBIF 2882404