Seeds of South Australia
Persicaria prostrata (Polygonaceae)
Trailing Knotweed
List of species for Persicaria
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Herbarium regions:
Lake Eyre, Flinders Ranges, Eyre Peninsula, Northern Lofty, Murray, Southern Lofty, Kangaroo Island
NRM regions:
Adelaide and Mount Lofty Ranges, Eyre Peninsula, Kangaroo Island, South Australian Arid Lands, South Australian Murray-Darling Basin, South East
IBRA regions
SUMMARY
Mount Gambier (SVP02)Southern Volcanic Plain
 Near Threatened   [increases as swamps dry out]
Bridgewater (NCP01)Naracoorte Coastal Plain
 Rare   (IUCN: RA d(i,ii))   (Probable Decline)   [redgum, swamp gum spp. edge of range]
Glenelg Plain (NCP02) 
 Least Concern
Lucindale (NCP03) 
 Near Threatened
Tintinara (NCP04) 
 Rare   (IUCN: RA d(ii))   [edge of range]
Kangaroo Island (KAN01)Kanmantoo
 Near Threatened   [reservoirs & water bodies (dams)]
Fleurieu (KAN02) 
 Near Threatened   [reservoirs & water bodies (dams)]
Mount Lofty Ranges (FLB01)Flinders Lofty Block
 Least Concern   [reservoirs & water bodies (dams)]
Broughton (FLB02) 
 Least Concern   (Probable Increase)
Southern Flinders (FLB04) 
 Rare   (IUCN: RA d(ii))
St Vincent (EYB02)Eyre Yorke Block
 Rare   (IUCN: RA d(ii))
Eyre Hills (EYB03) 
 Rare   (IUCN: RA d(ii))
South Olary Plain (MDD01)Murray Darling Depression
 Rare   (IUCN: RA d(i,ii))   [turns up in dams - natural intro]
Murray Mallee (MDD02) 
 Vulnerable   (IUCN: VU B2ab(i,ii,iii))   (Probable Decline)
Lowan Mallee (MDD04) 
 Rare   (IUCN: RA d(ii))   [turns up in dams - natural intro]
Wimmera (MDD05) 
 Rare   (IUCN: RA d(i,ii))   [edge of range]
Murray Scroll Belt (RIV06)Riverina
 Vulnerable   (IUCN: VU B2ab(i,ii,iii))   (Probable Decline)
Myall Plains (GAW01)Gawler
 Rare   (IUCN: RA d(ii))
Gawler Volcanics (GAW02) 
 Rare   (IUCN: RA d(ii))
Gawler Lakes (GAW03) 
 Rare   (IUCN: RA d(ii))
Sturt Stony Desert (CHC02)Channel Country
 Rare   (IUCN: RA d(ii))   [outlier; flood spp]
IBRA regions
DISPLAY ALL
Mount Gambier (SVP02)Southern Volcanic PlainNear Threatened
  [increases as swamps dry out]
4 of 4 subregionsNaracoorte Coastal PlainLeast Concern
, Near Threatened
, Rare
2 of 2 subregionsKanmantooNear Threatened
3 of 6 subregionsFlinders Lofty BlockLeast Concern
, Rare
2 of 5 subregionsEyre Yorke BlockRare
4 of 6 subregionsMurray Darling DepressionRare
, Vulnerable
Murray Scroll Belt (RIV06)RiverinaVulnerable
  (IUCN: VU B2ab(i,ii,iii))   (Probable Decline)
3 of 8 subregionsGawlerRare
Sturt Stony Desert (CHC02)Channel CountryRare
  (IUCN: RA d(ii))   [outlier; flood spp]
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 Persicaria]
Seeds stored:
LocationNo. of seeds
(weight grams)
Number
of plants
Date
collected
Collection number
Collection location
Date
stored
% ViabilityStorage
temperature
BGA 
MSB
5050 (6.59 g)
5050 (6.59 g)
508-Jan-2007RJB71000
Northern Lofty
1-Aug-2007100%-18°C
Location: BGA — the seeds are stored at the Adelaide Botanic Gardens, MSB — the seeds are stored at the Millennium Seed Bank, Kew, England.
Number of plants: This is the number of plants from which the seeds were collected.
Collection location: The Herbarium of South Australia's region name.
% Viability: Percentage of filled healthy seeds determined by a cut test or x-ray.