Seeds of South Australia
Lemna disperma (Lemnaceae)
Common Duckweed
List of species for Lemna
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Herbarium regions:
Lake Eyre, Eyre Peninsula, Northern Lofty, Murray, Southern Lofty, South Eastern
NRM regions:
Adelaide and Mount Lofty Ranges, Eyre Peninsula, Northern and Yorke, South Australian Arid Lands, South Australian Murray-Darling Basin, South East
IBRA regions
SUMMARY
Mount Gambier (SVP02)Southern Volcanic Plain
 Least Concern   [undercollected]
Bridgewater (NCP01)Naracoorte Coastal Plain
 Least Concern   [undercollected; tolerates disturbance; in drains; easiliy transported]
Glenelg Plain (NCP02) 
 Near Threatened   [less suitable habitat]
Lucindale (NCP03) 
 Near Threatened   [undercollected]
Fleurieu (KAN02)Kanmantoo
 Least Concern
Mount Lofty Ranges (FLB01)Flinders Lofty Block
 Least Concern
St Vincent (EYB02)Eyre Yorke Block
 Rare   (IUCN: RA d(i,ii))   (Probable Decline)   [undercollected, in artificial habitats]
Murray Mallee (MDD02)Murray Darling Depression
 Rare   (IUCN: RA d(i,ii))   [fluctuates]
Murray Lakes and Coorong (MDD03) 
 Least Concern
Murray Scroll Belt (RIV06)Riverina
 Rare   (IUCN: RA d(i,ii))   [fluctuates]
Gawler Volcanics (GAW02)Gawler
 Rare   (IUCN: RA d(i,ii))
Witjira (STP06)Stony Plains
 Vulnerable   (IUCN: VU D2)   [limited habitat; Dalhousie Springs]
Baltana (STP07) 
 Rare   (IUCN: RA d(i,ii))   [spread by water birds; limited habitat; in Coward Springs]
Coongie (CHC06)Channel Country
 Least Concern   [ephemeral; when water is there, spreads quickly]
IBRA regions
DISPLAY ALL
Mount Gambier (SVP02)Southern Volcanic PlainLeast Concern
  [undercollected]
3 of 4 subregionsNaracoorte Coastal PlainLeast Concern
, Near Threatened
Fleurieu (KAN02)KanmantooLeast Concern
Mount Lofty Ranges (FLB01)Flinders Lofty BlockLeast Concern
St Vincent (EYB02)Eyre Yorke BlockRare
  (IUCN: RA d(i,ii))   (Probable Decline)   [undercollected, in artificial habitats]
2 of 6 subregionsMurray Darling DepressionLeast Concern
, Rare
Murray Scroll Belt (RIV06)RiverinaRare
  (IUCN: RA d(i,ii))   [fluctuates]
Gawler Volcanics (GAW02)GawlerRare
  (IUCN: RA d(i,ii))
2 of 7 subregionsStony PlainsRare
, Vulnerable
Coongie (CHC06)Channel CountryLeast Concern
  [ephemeral; when water is there, spreads quickly]
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 Lemna]