Regional Species Conservation Assessments per IBRA subregion.
Least concern
Near threatened
Rare
Vulnerable
Endangered
Critically endangered
Extinct
Data deficient
Adelaide
Arkaroola
Ceduna
Coober Pedy
Hawker
Innamincka
Marla
Marree
Mount Gambier
Oodnadatta
Renmark
Wudinna
Keith
Yunta
Display IBRA region text
Bridgewater (NCP01) | Naracoorte Coastal Plain | Vulnerable (IUCN: VU B2ab(i,ii,iii); D2) (Probable Decline) [restricted habitat] |
Lucindale (NCP03) | | Vulnerable (IUCN: VU B2ab(i,ii,iii); D2) (Probable Decline) |
Kangaroo Island (KAN01) | Kanmantoo | Data Deficient [needs more survey work] |
Fleurieu (KAN02) | | Data Deficient [needs more survey work] |
Mount Lofty Ranges (FLB01) | Flinders Lofty Block | Data Deficient [lagoon sp; not easy to pick up; 1 old record] |
Broughton (FLB02) | | Least Concern [undercollected] |
Southern Yorke (EYB01) | Eyre Yorke Block | Least Concern [undercollected] |
St Vincent (EYB02) | | Least Concern [undercollected] |
Eyre Hills (EYB03) | | Data Deficient [doubtful record] |
South Olary Plain (MDD01) | Murray Darling Depression | Rare (IUCN: RA d(ii)) [likes salty areas] |
Murray Mallee (MDD02) | | Rare (IUCN: RA d(i,ii)) [brought in by water birds; mostly unsuitable habitat] |
Murray Lakes and Coorong (MDD03) | | Rare (IUCN: RA d(ii)) (Probable Decline) [doesn't tolerate hyper salinity; undercollected] |
Myall Plains (GAW01) | Gawler | Vulnerable (IUCN: VU D2) [occurs in saline areas] |
Dieri (SSD03) | Simpson Strzelecki Dunefields | Rare (IUCN: RA d(i,ii)) [(no records) ephemeral, relies on floods] |
Strzelecki Desert (SSD05) | | Rare (IUCN: RA d(i,ii)) [ephemeral, relies on floods; at Montecollina Bore] |
Oodnadatta (STP02) | Stony Plains | Rare (IUCN: RA d(i,ii)) [ephemeral, relies on floods] |
Murnpeowie (STP03) | | Rare (IUCN: RA d(i,ii)) [ephemeral, relies on floods] |
Witjira (STP06) | | Rare (IUCN: RA d(i,ii)) [ephemeral, relies on floods] |
Baltana (STP07) | | Rare (IUCN: RA d(i,ii)) [ephemeral, relies on floods] |
Tieyon (FIN03) | Finke | Rare (IUCN: RA d(i,ii)) [ephemeral, relies on floods] |
2 of 4 subregions | Naracoorte Coastal Plain | Vulnerable |
2 of 2 subregions | Kanmantoo | Data Deficient |
2 of 6 subregions | Flinders Lofty Block | Least Concern , Data Deficient |
3 of 5 subregions | Eyre Yorke Block | Least Concern , Data Deficient |
3 of 6 subregions | Murray Darling Depression | Rare |
Myall Plains (GAW01) | Gawler | Vulnerable (IUCN: VU D2) [occurs in saline areas] |
2 of 4 subregions | Simpson Strzelecki Dunefields | Rare |
4 of 7 subregions | Stony Plains | Rare |
Tieyon (FIN03) | Finke | Rare (IUCN: RA d(i,ii)) [ephemeral, relies on floods] |
Botanical art
Kath Alcock paintings: 2
Prior names
Ruppia rostellata
Common names
Water Tassel
Sea Tassel
Distribution and status
Herbarium regions: North Western, Lake Eyre, Eyre Peninsula, Northern Lofty, Murray, Yorke Peninsula, Southern Lofty, Kangaroo Island, South Eastern, Green Adelaide
NRM regions: Adelaide and Mount Lofty Ranges, Alinytjara Wilurara, Eyre Peninsula, Kangaroo Island, Northern and Yorke, South Australian Arid Lands, South Australian Murray-Darling Basin, South East
AVH map: SA distribution map (external link)