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Scientific Name
Spirodela polyrrhiza
Scientific Name w/ Auth.
Spirodela polyrrhiza (L.) Schleid.
Park
Apostle Islands National Lakeshore (APIS)
Sensitive
No
Park Accepted
Accepted
Record Status
Approved
Park Preferred Common Names
greater duckweed
Park Synonyms
Taxonomic Hierarchy
| Kingdom | Plantae |
| Subkingdom | Viridiplantae |
| Infrakingdom | Streptophyta |
| Superdivision | Embryophyta |
| Division | Tracheophyta |
| Subdivision | Spermatophytina |
| Class | Magnoliopsida |
| Superorder | Lilianae |
| Order | Alismatales |
| Family | Araceae |
| Genus | Spirodela |
| Species | Spirodela polyrrhiza |
Occurrence
Present
Occurrence Notes
In bog on Long Island.; Data Source: Judziewicz and Koch, 1993
Nativeness
Native
Abundance
Rare
Abundance Notes
Data Source: Judziewicz and Koch, 1993
Threatened Endangered Status
State Species of Concern statuses
Ozone Sensitive Status
NatureServe GRank
NatureServe SRank
Observations
0
References
Vouchers
0
External Links
0
Evidence counts shown include evidence for related synonyms.
Created By
Joan Elias
Created Date
11/5/2002 12:00:00 AM
Last Modified By
Suzanne Sanders
Last Modified Date
12/29/2004 12:00:00 AM
Notes
Park Species Data Source: Judziewicz, E.J. and R.G. Koch. 1993. Flora and vegetation of the Apostle Islands National Lakeshore and Madeline Island, Ashland and Bayfield Counties, Wisconsin. The Michigan Botanist 32(2):43-189.
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Buffalo National River (BUFF)
Cape Hatteras National Seashore (CAHA)
Cumberland Island National Seashore (CUIS)
Cuyahoga Valley National Park (CUVA)
Eleanor Roosevelt National Historic Site (ELRO)
George Washington Birthplace National Monument (GEWA)
Great Falls Park (GRFA)
Grand Portage National Monument (GRPO)
Jean Lafitte National Historical Park and Preserve (JELA)
Martin Van Buren National Historic Site (MAVA)
Lake Meredith National Recreation Area (LAMR)
Shiloh National Military Park (SHIL)
Ozark National Scenic Riverways (OZAR)
Mississippi National River and Recreation Areas (MISS)
Pipestone National Monument (PIPE)
Point Reyes National Seashore (PORE)
Niobrara National Scenic River (NIOB)
Saratoga National Historical Park (SARA)
Mammoth Cave National Park (MACA)
Minute Man National Historical Park (MIMA)
Richmond National Battlefield Park (RICH)
Saint Croix National Scenic Riverway (SACN)
Indiana Dunes National Park (INDU)
Stones River National Battlefield (STRI)
George Washington Memorial Parkway (GWMP)
Piscataway Park (PISC)
