Glyceria grandis

Characteristics
Poaceae
Glyceria
Glyceria grandis S. Watson var. grandis
American manna grass
Marshes, openings in swamps, and wet thickets. In saturated to slightly inundated soils.
Graminoid
Perennial
Vascular
4
Specimens of Glyceria grandis should be verified as some may be misidentifications of G. maxima. Glyceria grandis var. komarovii is a species of Alaska and the Yukon.
**
Native OBL (NWPL EMP) OBL (NWPL NCNE) S5 (State Rank) G5 (Global Rank)
**
** Not applicable or data not available.
Classification
Monocots
Poales
Glyceria
Glyceria grandis S. Watson var. grandis - American manna grass
Citation
Glyceria grandis S. Watson var. grandis
**
**
** Not applicable or data not available.
Species Distribution Map

This species has been reported in the counties highlighted in the interactive distribution map below. Click on a county to display its name.

Source
Synonyms
Plant Photos
Photo by: Kyle J. Webster. Photo taken: Tompkins County, NY: 06 July 2021 -
Glyceria_grandis_var_grandis_Kwebster_07062021_01.jpg
Photo by: Kyle J. Webster. Photo taken: Tompkins County, NY: 06 July 2021 -
Glyceria_grandis_var_grandis_Kwebster_07062021_02.jpg
Photo by: Kyle J. Webster. Photo taken: Tompkins County, NY: 06 July 2021 -
Glyceria_grandis_var_grandis_Kwebster_07062021_03.jpg
Photo by: Kyle J. Webster. Photo taken: Tompkins County, NY: 06 July 2021 -
Glyceria_grandis_var_grandis_Kwebster_07062021_04.jpg
Photo by: Kyle J. Webster. Photo taken: Wayne County, NY: 31 July 2021 -
Glyceria_grandis_var_grandis_Kwebster_07312021_01.jpg
Photo by: Kyle J. Webster. Photo taken: Wayne County, NY: 31 July 2021 -
Glyceria_grandis_var_grandis_Kwebster_07312021_02.jpg
Photo by: Kyle J. Webster. Photo taken: Wayne County, NY: 31 July 2021 -
Glyceria_grandis_var_grandis_Kwebster_07312021_03.jpg