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Species · Flowering plants

Reed Sweet-grass

Glyceria maxima

2,809Records since 2000
JulyPeak month
82Counties with records
Least ConcernIUCN Red List

When it is recorded

Jan6
Feb9
Mar32
Apr99
May246
Jun554
Jul646
Aug554
Sep188
Oct66
Nov23
Dec11

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

Where it is recorded

#CountyNationRecordsShare
1Worcestershire England257
2Norfolk England224
3Doncaster England185
4Suffolk England151
5North Yorkshire England128
6North Lincolnshire England117
7Nottinghamshire England85
8Cambridgeshire England77
9East Riding of Yorkshire England59
10Telford and Wrekin England52
11Oxfordshire England49
12Lincolnshire England47
13Herefordshire, County of England38
14Sefton England37
15Powys Wales31
2,498 England127 Scotland126 Wales30 Northern Ireland

Records per county (GADM level 2) and per nation; one record can count towards several areas. 82 counties in all.

About this species

Records since 2000
2,809
Peak month
July
Counties with records
82
IUCN Red List
Least Concern
Scientific name
Glyceria maxima
Group
Flowering plants
NBN Atlas records since 2000
15,046
Conservation designations
GB Red List (2001 IUCN criteria)
Kingdom
Plantae
Phylum
Tracheophyta
Class
Liliopsida
Order
Poales
Family
Poaceae
Genus
Glyceria
Name with authority
Glyceria maxima (Hartm.) Holmb.
Contributing datasets
42

Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · Wikidata Q161879 · GBIF 2705484