Index / Search / Glyceria grandis var. grandis

§1 Plant

Glyceria grandis S. Watson var. grandis

vernacular American mannagrass — variety · Poaceae


USDA
GLGRG
GBIF
2705491 syn.
Rank
variety
American mannagrass (Glyceria grandis var. grandis)
Platephotograph · aarongunnarCC BY source · iNaturalist ↗

§2Habit & range

Habit and range

Growth habit
Graminoid
Duration
Perennial
Group
Monocot
Family
Poaceae Barnhart
Genus
Glyceria
§2a

Native status, by region

  • AK Alaska Native
  • CAN Canada Native
  • L48 Lower 48 States Native
  • SPM St. Pierre & Miquelon Native
§2b

County-level range

· 454 counties across 25 states/territories
Legend Native · 454 Introduced · 0 Both · 0 Hover a county for detail.

§3Cultivation

No cultivation specs.

USDA has not characterised this taxon. Roughly four out of five plants in the database lack the detailed cultivation record present here — typically because they have not been the focus of NRCS Plant Materials work. Range and distribution data are unaffected.


§4Counties, by state

Recorded in 454 counties across 25 states/territories.

Alaska view state ↗ 6 N
Arizona view state ↗ 2 N
Delaware view state ↗ 1 N
Illinois view state ↗ 9 N
Indiana view state ↗ 4 N
Iowa view state ↗ 19 N
Maine view state ↗ 16 N
Massachusetts view state ↗ 12 N
Michigan view state ↗ 42 N
Minnesota view state ↗ 67 N
Montana view state ↗ 5 N
Nebraska view state ↗ 17 N
New Hampshire view state ↗ 8 N
New Jersey view state ↗ 5 N
New Mexico view state ↗ 4 N
New York view state ↗ 55 N
North Dakota view state ↗ 43 N
Ohio view state ↗ 5 N
Pennsylvania view state ↗ 36 N
South Dakota view state ↗ 16 N
Tennessee view state ↗ 1 N
Vermont view state ↗ 14 N
Virginia view state ↗ 3 N
West Virginia view state ↗ 2 N
Wisconsin view state ↗ 62 N

§5Sources & provenance

USDA PLANTS

Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.

plants.usda.gov/GLGRG ↗

GBIF Backbone

Canonical taxonomic identity, synonym resolution, cross-refs. CC0.

gbif.org/species/2705491 ↗

Record version

Cached and built locally. Source version on this record:

usda-plants-mt-2026-05-26

fetched 2026-05-26T09:28:40Z