Seeds of South Australia
Ruppia polycarpa (Potamogetonaceae)
Many-fruit Water-tassel
List of species for Ruppia
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Herbarium regions:
Eyre Peninsula, Murray, Southern Lofty, Kangaroo Island, South Eastern
NRM regions:
Adelaide and Mount Lofty Ranges, Eyre Peninsula, Kangaroo Island, South Australian Murray-Darling Basin, South East
IBRA regions
Bridgewater (NCP01)Naracoorte Coastal Plain
 Near Threatened
Lucindale (NCP03) 
 Rare   (IUCN: RA d(ii))   (Probable Decline)
Tintinara (NCP04) 
 Rare   (IUCN: RA d(i,ii))   (Probable Decline)
Kangaroo Island (KAN01)Kanmantoo
 Rare   (IUCN: RA d(ii))
Fleurieu (KAN02) 
 Rare   (IUCN: RA d(i,ii))   (Probable Decline)   [gone from some areas due to coastal development]
Eyre Hills (EYB03)Eyre Yorke Block
 Rare   (IUCN: RA d(ii))
Talia (EYB04) 
 Rare   (IUCN: RA d(ii))
Murray Mallee (MDD02)Murray Darling Depression
 Rare   (IUCN: RA d(i,ii))
Murray Lakes and Coorong (MDD03) 
 Least Concern
Roxby (GAW07)Gawler
 Vulnerable   (IUCN: VU D2)   [Lake Koolymilka (new record)]
RSCA map:
Regional Species Conservation Assessments per IBRA subregion. Please click the thumbnail map.
AVH map:
Australian distribution map (external link)
SA Census:
Census of South Australian plants (external link)     [genus Ruppia]