Index / Search / Glyceria borealis
§1 Plant
Glyceria borealis (Nash) Batchelder
vernacular small floating mannagrass — species · Poaceae
§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
· 193 counties across 14 states/territories§3Cultivation specs · USDA
Recorded by the USDA Plant Materials Program.
§3a
Tolerances
- Drought
- Low
- Shade
- High
- Moisture use
- High
- Fire
- Low
- Salinity
- None
- Anaerobic
- High
- CaCO₃
- Medium
- Hedging
- None
§3b
Climate & soil
- Cold tolerance
- -33 °F minimum
- Frost-free days
- 120 min.
- Precipitation
- 28–50 in/yr
- pH range
- 5–8.5
- Root depth
- 14 in min.
- Fertility need
- Medium
- Soil texture
- coarse, medium, fine
§3c
Form & growth
- Growth form
- Bunch
- Growth rate
- Moderate
- Lifespan
- Moderate
- Mature height
- 4.9 ft
- Foliage texture
- Medium
- Foliage colour
- Green
- Porosity (summer)
- Moderate
- Porosity (winter)
- Porous
- Flower colour
- Green
- Fruit colour
- Yellow
- Fire resistant
- No
- N fixation
- None
- Toxicity
- None
§3d
Reproduction
- Bloom period
- Late Spring
- Seed abundance
- Medium
- Seed begins
- Spring
- Seed ends
- Summer
- Spread rate
- Moderate
- Stratify
- No
- Propagation
- sprigs
§3e
Use & availability
- Commercial availability
- Contracting Only
- Nursery stock
- No
- Graze palatability
- High
- Palatable, human
- No
- Protein potential
- Medium
- Lumber
- No
- Christmas tree
- No
§4Counties, by state
Recorded in 193 counties across 14 states/territories.
Alaska view state ↗ 10 N ▾
Arizona view state ↗ 5 N ▾
Illinois view state ↗ 4 N ▾
Indiana view state ↗ 4 N ▾
Maine view state ↗ 16 N ▾
Massachusetts view state ↗ 9 N ▾
Michigan view state ↗ 41 N ▾
- Alcona 26001
- Alger 26003
- Alpena 26007
- Baraga 26013
- Barry 26015
- Charlevoix 26029
- Cheboygan 26031
- Chippewa 26033
- Clinton 26037
- Delta 26041
- Emmet 26047
- Gogebic 26053
- Gratiot 26057
- Houghton 26061
- Huron 26063
- Ingham 26065
- Iosco 26069
- Iron 26071
- Jackson 26075
- Kalamazoo 26077
- Kalkaska 26079
- Kent 26081
- Keweenaw 26083
- Lake 26085
- Lapeer 26087
- Livingston 26093
- Marquette 26103
- Montmorency 26119
- Muskegon 26121
- Oakland 26125
- Oceana 26127
- Ogemaw 26129
- Otsego 26137
- Roscommon 26143
- Sanilac 26151
- Schoolcraft 26153
- St. Clair 26147
- Tuscola 26157
- Washtenaw 26161
- Wayne 26163
- Wexford 26165
Minnesota view state ↗ 34 N ▾
- Aitkin 27001
- Anoka 27003
- Becker 27005
- Beltrami 27007
- Cass 27021
- Chisago 27025
- Clay 27027
- Clearwater 27029
- Cook 27031
- Crow Wing 27035
- Douglas 27041
- Freeborn 27047
- Hennepin 27053
- Hubbard 27057
- Isanti 27059
- Itasca 27061
- Kanabec 27065
- Kittson 27069
- Lake 27075
- Lake of the Woods 27077
- McLeod 27085
- Meeker 27093
- Morrison 27097
- Nicollet 27103
- Pennington 27113
- Pine 27115
- Pipestone 27117
- Polk 27119
- Pope 27121
- Ramsey 27123
- Sherburne 27141
- St. Louis 27137
- Stearns 27145
- Washington 27163
Montana view state ↗ 2 N ▾
New Jersey view state ↗ 1 N ▾
New York view state ↗ 39 N ▾
- Albany 36001
- Cayuga 36011
- Chenango 36017
- Clinton 36019
- Columbia 36021
- Cortland 36023
- Delaware 36025
- Dutchess 36027
- Erie 36029
- Essex 36031
- Franklin 36033
- Fulton 36035
- Genesee 36037
- Greene 36039
- Hamilton 36041
- Herkimer 36043
- Jefferson 36045
- Lewis 36049
- Madison 36053
- Monroe 36055
- Oneida 36065
- Onondaga 36067
- Ontario 36069
- Orleans 36073
- Oswego 36075
- Rensselaer 36083
- Schenectady 36093
- Schoharie 36095
- Schuyler 36097
- Seneca 36099
- St. Lawrence 36089
- Steuben 36101
- Sullivan 36105
- Tioga 36107
- Tompkins 36109
- Warren 36113
- Washington 36115
- Wayne 36117
- Yates 36123
Pennsylvania view state ↗ 9 N ▾
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/GLBO ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/2705493 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T07:25:30Z