Seeds of South Australia
Sclerolaena constricta (Chenopodiaceae)
List of species for Sclerolaena
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Herbarium regions:
Lake Eyre, Gairdner-Torrens, Flinders Ranges, Eastern, Murray
NRM regions:
South Australian Arid Lands, South Australian Murray-Darling Basin
IBRA regions
SUMMARY
Olary Spur (FLB03)Flinders Lofty Block
 Least Concern
Southern Flinders (FLB04) 
 Least Concern   [edge of range]
Northern Flinders (FLB05) 
 Least Concern
Central Flinders (FLB06) 
 Near Threatened
Braemer (MDD07)Murray Darling Depression
 Data Deficient
Gawler Lakes (GAW03)Gawler
 Rare   (IUCN: RA d(i,ii))
Arcoona Plateau (GAW04) 
 Rare   (IUCN: RA d(i,ii))
Torrens (GAW06) 
 Near Threatened
Yellabinna (GVD06)Great Victoria Desert
 Rare   (IUCN: RA d(i,ii))
Yalata (NUL03)Nullarbor
 Rare   (IUCN: RA d(i,ii))
Curnamona (BHC06)Broken Hill Complex
 Least Concern
Dieri (SSD03)Simpson Strzelecki Dunefields
 Least Concern
Strzelecki Desert (SSD05) 
 Least Concern
Breakaways (STP01)Stony Plains
 Near Threatened
Oodnadatta (STP02) 
 Least Concern
Murnpeowie (STP03) 
 Least Concern
Macumba (STP05) 
 Least Concern
Witjira (STP06) 
 Least Concern
Baltana (STP07) 
 Least Concern
Sturt Stony Desert (CHC02)Channel Country
 Least Concern
Coongie (CHC06) 
 Near Threatened
Tieyon (FIN03)Finke
 Near Threatened   [edge of range]
IBRA regions
DISPLAY ALL
4 of 6 subregionsFlinders Lofty BlockLeast Concern
, Near Threatened
Braemer (MDD07)Murray Darling DepressionData Deficient
3 of 8 subregionsGawlerNear Threatened
, Rare
Yellabinna (GVD06)Great Victoria DesertRare
  (IUCN: RA d(i,ii))
Yalata (NUL03)NullarborRare
  (IUCN: RA d(i,ii))
Curnamona (BHC06)Broken Hill ComplexLeast Concern
2 of 4 subregionsSimpson Strzelecki DunefieldsLeast Concern
6 of 7 subregionsStony PlainsLeast Concern
, Near Threatened
2 of 4 subregionsChannel CountryLeast Concern
, Near Threatened
Tieyon (FIN03)FinkeNear Threatened
  [edge of range]
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 Sclerolaena]
SA Flora:
Flora of South Australia Edition 5
Germination table:
DateResultT0T50Pre-treatment | Germination medium | Incubator: Photoperiod / Thermoperiod
May-170%NA
1% agar;
Incubated under winter conditions
May-170%NA 250 mg/L gibberellic acid for 24 h;
1% agar;
Incubated under winter conditions
Result: Maximum percentage of germination observed.
T0: Number of days before first germinant observed.
T50: Number of days to achieve 50% germination.
Pre-treatment: The initial treatment that the seeds received prior to placement on germination media.
Germination medium: The substrate that seeds were placed on for the duration of the germination experiment.
Incubator conditions:
Photoperiod: The duration of light exposure that the seeds were subject to during a 24 hour period.
Thermoperiod: The constant or diurnal temperatures that seeds were subject to during a 24 hour period.
Winter conditions: 15°C 20 h (3am→11pm); 5°C 4 h (11pm→3am) / 10 h light (8am→6pm); 14 h dark (6pm→8am)
Spring/Autumn conditions: 22°C 12 h (8am→8pm); 10°C 12 h (8pm→8am) / 12 h light (8am→8pm); 12 h dark (8pm→8am)
Summer conditions: 30°C 14 h (6am→8pm); 15°C 10 h (8pm→6am) / 14 h light (6am→8pm); 10 h dark (8pm→6am)