Seeds of South Australia
Vittadinia blackii (Compositae)
Western New Holland Daisy
List of species for Vittadinia
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Seed collecting:
September to November
Herbarium regions:
Lake Eyre, Flinders Ranges, Eastern, Eyre Peninsula, Northern Lofty, Murray, Yorke Peninsula, 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
Tintinara (NCP04)Naracoorte Coastal Plain
 Vulnerable   (IUCN: VU B2ab(i,ii,iii))   (Probable Decline)
Fleurieu (KAN02)Kanmantoo
 Rare   (IUCN: RA d(ii))   [around Monarto area]
Mount Lofty Ranges (FLB01)Flinders Lofty Block
 Near Threatened   [grassy ecosystems]
Broughton (FLB02) 
 Least Concern   [Likes disturbance.]
Olary Spur (FLB03) 
 Least Concern   [Likes disturbance.]
Southern Flinders (FLB04) 
 Least Concern   [Likes disturbance.]
Northern Flinders (FLB05) 
 Least Concern
Central Flinders (FLB06) 
 Least Concern
Southern Yorke (EYB01)Eyre Yorke Block
 Least Concern   [Likes disturbance.]
St Vincent (EYB02) 
 Least Concern   [Likes disturbance.]
Eyre Hills (EYB03) 
 Vulnerable   (IUCN: VU B2ab(i,ii,iii))   (Probable Decline)   [grassland species]
Eyre Mallee (EYB05) 
 Vulnerable   (IUCN: VU B2ab(i,ii,iii))   (Probable Decline)   [grassland species]
Murray Mallee (MDD02)Murray Darling Depression
 Near Threatened   (Probable Decline)
Murray Lakes and Coorong (MDD03) 
 Vulnerable   (IUCN: VU D2)   [edge of range]
Yellabinna (GVD06)Great Victoria Desert
 Rare   (IUCN: RA d(i,ii))
IBRA regions
DISPLAY ALL
Tintinara (NCP04)Naracoorte Coastal PlainVulnerable
  (IUCN: VU B2ab(i,ii,iii))   (Probable Decline)
Fleurieu (KAN02)KanmantooRare
  (IUCN: RA d(ii))   [around Monarto area]
6 of 6 subregionsFlinders Lofty BlockLeast Concern
, Near Threatened
4 of 5 subregionsEyre Yorke BlockLeast Concern
, Vulnerable
2 of 6 subregionsMurray Darling DepressionNear Threatened
, Vulnerable
Yellabinna (GVD06)Great Victoria DesertRare
  (IUCN: RA d(i,ii))
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 Vittadinia]
Germination table:
DateResultT0T50Pre-treatment | Germination medium | Incubator: Photoperiod / Thermoperiod
Oct-1398%7 d7 d
1% agar with 250 mg/L gibberellic acid (pH 6.5);
Incubated under summer conditions
Jul-1697%7 d7 d 500 mg/L gibberellic acid 24 h;
1% agar;
Incubated under spring/autumn conditions
Jul-1697%14 d14 d 500 mgl/L gibberellic acid 24 h;
1% agar;
Incubated under winter conditions
Jul-1697%14 d14 d leached in water 24 h;
1% agar;
Incubated under winter conditions
Oct-1394%7 d7 d
1% agar with 250 mg/L gibberellic acid (pH 6.5);
Incubated under spring/autumn conditions
Oct-1392%7 d7 d
1% agar with 250 mg/L gibberellic acid (pH 6.5);
Incubated under winter conditions
Oct-1392%7 d7 d
1% agar;
Incubated under spring/autumn conditions
Jul-1689%7 d14 d leached in water 24 h;
1% agar;
Incubated under spring/autumn conditions
Oct-1376%7 d7 d
1% agar;
Incubated under winter conditions
Oct-1374%7 d7 d
1% agar;
Incubated under summer 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)