Glyceria grandis
Common Name: American manna grass
Family: Poaceae
Element Code: PMPOA2Y080
Full Name: Glyceria grandis Wats.

© 2008 Steve Matson
Biology Glossary
  • Lifeform: perennial rhizomatous herb
  • Blooming Period: June - August
  • Habitat:  
    • Bogs and fens
    • Meadows and seeps
    • Marshes and swamps (streambanks and lake margins)
Rarity Status Glossary
Occurrence Data from DFG
California Natural Diversity Database Glossary
  • Total # of Known Element Occurrences: 10
  • Element Occurrence Ranks:
    A B C D X U
    0 0 1 0 0 9
  • Population Status:
    >20 yrs
    <=20 yrs
    8 2
  • Presence:
    Present Extant Possibly Extirpated Extirpated
    10 0 0
Notes Glossary
Location Glossary
  • Elevation: 15 - 1980 meters
  • California Endemic: no
  • States: California, !AK, Arizona, Colorado, !CT, !DE, !IA, Idaho, !IL, !IN, !MA, !MD, !ME, !MI, !MN, !MS, !MT, !NC, !ND, !NE, !NH, !NJ, New Mexico, Nevada, !NY, !OH, Oregon, !PA, !RI, !SD, !TN, Utah, !VA, !VT, Washington, !WI, !WV, Wyoming
  • California Counties and Islands:   name (code)
    El Dorado (ELD),  Fresno (FRE),  Humboldt (HUM),  Mendocino (MEN),  Mono (MNO),  Placer (PLA),  Tulare (TUL)
  • Quads:   name (DWR code) USGS code
    Shadequarter Mtn. (354C) 36118E8,  The Sphinx (374D) 36118G5,  Verplank Ridge (376D) 36119G1,  Big Alkali (470B) 38119B2,  Bridgeport (487C) 38119C2,  Coleville (505D) 38119E5,  Emerald Bay (523A) 38120H1,  Eureka Hill (537A) 38123H5,  Point Arena (537B) 38123H6,  Tahoe City (538B) 39120B2,  Maple Creek (671D) 40123G7
  • Notes:
      Definitions of codes preceding a county and/or quad:
      * Presumed extirpated
      ? Uncertain about distribution or identity
      ?* Uncertain about distribution, but presumed extirpated if once present
      (?) Occurrence confirmed, but possibly extirpated
      Species may be present in other areas where conditions are favorable.
Presumed Extant Presumed Extirpated or Unknown 872
Links to Leading Resources of Taxon Information
Suggested Citation
CNPS, Rare Plant Program. . Inventory of Rare and Endangered Plants (online edition, v8-02). California Native Plant Society, Sacramento, CA. Website [accessed ].

36118E8=Shadequarter Mtn. (354C) 36118E8;36118G5=The Sphinx (374D) 36118G5;36119G1=Verplank Ridge (376D) 36119G1;38119B2=Big Alkali (470B) 38119B2;38119C2=Bridgeport (487C) 38119C2;38119E5=Coleville (505D) 38119E5;38120H1=Emerald Bay (523A) 38120H1;38123H5=Eureka Hill (537A) 38123H5;38123H6=Point Arena (537B) 38123H6;39120B2=Tahoe City (538B) 39120B2;40123G7=Maple Creek (671D) 40123G7