Wertaloona Daisy
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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
| Northern Flinders (FLB05) | Flinders Lofty Block | Least Concern |
| Central Flinders (FLB06) | | Rare (IUCN: RA d(ii)) [edge of range] |
| Gawler Lakes (GAW03) | Gawler | Rare (IUCN: RA d(i,ii)) |
| Arcoona Plateau (GAW04) | | Least Concern |
| Roxby (GAW07) | | Least Concern |
| Dieri (SSD03) | Simpson Strzelecki Dunefields | Least Concern |
| Warriner (SSD04) | | Least Concern |
| Breakaways (STP01) | Stony Plains | Least Concern |
| Oodnadatta (STP02) | | Least Concern |
| Murnpeowie (STP03) | | Least Concern |
| Peake-Dennison Inlier (STP04) | | Least Concern |
| Macumba (STP05) | | Least Concern |
| Witjira (STP06) | | Least Concern |
| Baltana (STP07) | | Least Concern |
| Lake Pure (CHC07) | Channel Country | Rare (IUCN: RA d(ii)) [outlier] |
| Mann-Musgrave Block (CER01) | Central Ranges | Rare (IUCN: RA d(i,ii)) [edge of range] |
| 2 of 6 subregions | Flinders Lofty Block | Least Concern , Rare |
| 3 of 8 subregions | Gawler | Least Concern , Rare |
| 2 of 4 subregions | Simpson Strzelecki Dunefields | Least Concern |
| 7 of 7 subregions | Stony Plains | Least Concern |
| Lake Pure (CHC07) | Channel Country | Rare (IUCN: RA d(ii)) [outlier] |
| Mann-Musgrave Block (CER01) | Central Ranges | Rare (IUCN: RA d(i,ii)) [edge of range] |
Botanical art
Kath Alcock paintings: 4
Prior names
Pluchea ligulata
Erigeron liatroides
Pterigeron liatroides
Common names
Wertaloona Daisy
Distribution and status
Herbarium regions: North Western, Lake Eyre, Gairdner-Torrens, Flinders Ranges, Eastern
AVH map: SA distribution map (external link)
| Location | No. of seeds
(weight grams) | Number
of plants | Date
collected | Collection number
Collection location | Date
stored | % Viability | Storage
temperature | BGA
MSB | 6,250 (15.01 g)
6,250 (15.01 g) | 30+ | 29-Sep-2007 | DJD879
Lake Eyre | 19-Sep-2008 | 65% | -18°C |
| BGA | 970 (1.62 g) | 6 | 6-Oct-2010 | TST1031
Lake Eyre | 1-Jan-2012 | 100% | -18°C |
| BGA | 3,800 (5.66 g) | 18+ | 24-Nov-2010 | KHB537
Flinders Ranges | 1-Jan-2012 | 100% | -18°C |
| BGA | 28,000 (37.01 g) | 120+ | 21-Oct-2011 | KHB602
Flinders Ranges | 1-Jan-2016 | 85% | -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.
Germination table:
Display
| Date | Result | T0 | T50 | Pre-treatment | Germination medium | Incubator: Photoperiod / Thermoperiod |
| Oct-15 | 100% | 7 | 7 |
500 mg/L gibberellic acid 48 h;
1% agar;
Incubated under spring/autumn conditions |
| Oct-15 | 100% | 7 | 7 |
500 mg/L gibberellic acid 48 h;
1% agar;
Incubated under winter conditions |
| Oct-15 | 98% | 7 | 7 |
1% agar;
Incubated under spring/autumn conditions |
| Oct-15 | 98% | 7 | 7 |
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)
