D I S C O V E R    L I F E   
Bee Hunt! Odonata Lepidoptera 
  HomeAll Living ThingsIDnature guidesGlobal mapperAlbumsLabelsSearch
  AboutNewsEventsResearchEducationProjectsStudy sitesHelp

Glyceria maxima (Hartm.) Holmb.
Reed Grass; Reed Sweet-grass; Water Meadow-grass; Reed Sweetgrass; Reed Sweet Grass; Water Meadowgrass; Molinia maxima Hartm; Poa aquatica L; Glyceria aquatica L Wahlb; Glyceria spectablis Mert & WDJKoch; Reed mannagrass

Life   Plantae   Monocotyledoneae   Poaceae   Glyceria

80x5 - 240x3 - 240x4 - 320x1 - 320x2 - 320x3 - 640x1 - 640x2
Set display option above.
Click on images to enlarge.
Glyceria maxima
© Copyright Malcolm Storey 2011-2118 · 3
Glyceria maxima
Glyceria maxima
© Copyright Malcolm Storey 2011-2118 · 3
Glyceria maxima

Glyceria maxima
© Les Mehrhoff, 2008-2010 · 2
Glyceria maxima
Glyceria maxima
© Les Mehrhoff, 2008-2010 · 1
Glyceria maxima

Glyceria maxima
© Les Mehrhoff, 2008-2010 · 1
Glyceria maxima
Glyceria maxima
© Les Mehrhoff, 2008-2010 · 1
Glyceria maxima

Associates · map
FamilyScientific name @ source (records)
Pleosporaceae  Alternaria glyceriae @ BPI (1)
Pucciniaceae  Puccinia coronata @ BPI (2)
Ustilaginaceae  Ustilago filiformis @ BPI (3)

Ustilago longissima @ BPI (13)
_  Ciliospora albida @ BPI (1)

go to Discover Life's Facebook group

Following modified from Global Invasive Species Team, The Nature Conservancy
   Top | See original

&pull 20q v5.145 20180528: Error 403 Forbidden http://wiki.bugwood.org/Glyceria_maxima/

Following modified from Plants Database, United States Department of Agriculture
   Top | See original

http://plants.usda.gov/java/profile?symbol=GLMA3 ---> https://plants.usda.gov/java/profile?symbol=GLMA3
https://plants.usda.gov/java/profile?symbol=GLMA3 ---> http://plants.usda.gov/core/profile?symbol=GLMA3
http://plants.usda.gov/core/profile?symbol=GLMA3 ---> https://plants.usda.gov/core/profile?symbol=GLMA3
Link: Skip repetitive navigation links
USDA and NRCS Identifier NRCS Logo
USDA.gov Web Site PLANTS photo banner
PLANTS Home  about PLANTS  PLANTS Team  Partners of PLANTS  What  National Plant Data Team Web Site  Help using PLANTS  Contact PLANTS
 Search the PLANTS Web site
 Name Search

 State Search
 Advanced Search
 Search Help
 Alternative Crops
 Cover Crops
 Culturally Significant
 Distribution Update
 Fact Sheets & Plant Guides
 Introduced, Invasive, and Noxious Plants
 Threatened & Endangered
 Wetland Indicator Status
PLANTS Image Gallery
 50,000+ Plant Images
Download PLANTS data
 Complete PLANTS Checklist
 State PLANTS Checklist
 Advanced Search Download
 Symbols for Unknown Plants
 NRCS State GSAT Lists
 NRCS State Plants Lists
Related tools
 Crop Nutrient Tool
 Ecological Site Information System
 PLANTS Identification Keys
 Plant Materials Web Site
 Plant Materials Publications
 USDA Plant Hardiness Map
You are here: Home / Plant Profile

Glyceria maxima (Hartm.) Holmb.
reed mannagrass

Image of Glyceria maxima

General Information
Symbol: GLMA3
Group: Monocot
Family: Poaceae
Duration: Perennial
Growth Habit : Graminoid
Native Status : CAN   I
L48   I
Other Common Names: reed meadow grass
reed sweet grass
Data Source and Documentation
About our new maps
Plants-NRCS Logos
green round image for nativity Native blue round image for introduced Introduced ocre round image for introduced and nativity Both white round image for no status Absent/Unreported
image for native, but no county data Native, No County Data image for introduced, but no county data Introduced, No County Data both introduced and native, but no county data Both, No County Data
Native Status:
lower 48 status L48    Alaska status AK    Hawaii status HI    Puerto Rico status PR    Virgin Islands status VI    Navassa Island NAV    Canada status CAN    Greenland status GL    Saint Pierre and Michelon status SPM    North America NA   


click on a thumbnail to view an image, or see all the Glyceria thumbnails at the Plants Gallery

Jose Hernandez. Provided by ARS Systematic Botany and Mycology Laboratory . Sweden, Stockholm. Usage Requirements .

USDA NRCS. Wetland flora: Field office illustrated guide to plant species. USDA Natural Resources Conservation Service. Provided by NRCS National Wetland Team . Usage Requirements .



Symbol Scientific Name
GLSP2 Glyceria spectabilis Mert. & W.D.J. Koch
MOMA4 Molinia maxima Hartm.


Click on a scientific name below to expand it in the PLANTS Classification Report.
Rank Scientific Name and Common Name
Kingdom Plantae – Plants
Subkingdom Tracheobionta – Vascular plants
Superdivision Spermatophyta – Seed plants
Division Magnoliophyta – Flowering plants
Class Liliopsida – Monocotyledons
Subclass Commelinidae
Order Cyperales
Family Poaceae ⁄ Gramineae – Grass family
Genus Glyceria R. Br. – mannagrass
Species Glyceria maxima (Hartm.) Holmb. – reed mannagrass

Subordinate Taxa

This plant has no children

Legal Status

Noxious Weed Information
This plant is listed by the U.S. federal government or a state. Common names are from state and federal lists. Click on a place name to get a complete noxious weed list for that location, or click here for a composite list of all Federal and State Noxious Weeds .
Connecticut reed mannagrass Potentially invasive, banned
Massachusetts tall mannagrass, reed mannagrass Prohibited
U.S. Weed Information
Glyceria maxima reed mannagrass This plant can be weedy or invasive according to the authoritative sources noted below.This plant may be known by one or more common names in different places, and some are listed above. Click on an acronym to view each weed list, or click here for a composite list of Weeds of the U.S.
STATE Assorted authors. State noxious weed lists for 46 states . State agriculture or natural resource departments.

Wetland Status

Interpreting Wetland Status

North America
Midwest OBL
Northcentral & Northeast OBL
Western Mountains, Valleys, and Coast OBL

Related Links

More Accounts and Images
ARS Germplasm Resources Information Network (GLMA3)
Integrated Taxonomic Information System (GLMA3)
Integrated Taxonomic Information System (GLSP2)
Integrated Taxonomic Information System (MOMA4)
The Grass Manual on the Web - Treatment (GLMA3)
The Grass Manual on the Web - Map (GLMA3)
University of Wisconsin - Stevens Point Freckmann Herbarium (GLMA3)
Related Websites
TNC: Wildland Invasive Species Program (GLMA3)



Source Large Mammals Small Mammals Water Birds Terrestrial Birds


Source Large Mammals Small Mammals Water Birds Terrestrial Birds

Description of Values

Value Class Food Cover

 PLANTS Home | USDA.gov | NRCS | Site Map | Policies and Links
Accessibility Statement | Privacy Policy | Non-Discrimination Statement

Updated: 2020-04-08 22:51:43 gmt
Discover Life | Top
© Designed by The Polistes Corporation