Coast Spider-orchid
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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
Tintinara (NCP04) | Naracoorte Coastal Plain | Critically Endangered (IUCN: CR B2ab(i,ii,iii)) (Definite Decline) [threats: weeds, camping] |
Southern Yorke (EYB01) | Eyre Yorke Block | Critically Endangered (IUCN: CR B1ab(i,ii,iv)+2ab(i,ii,iv)) (Definite Decline) [Only two viable pop, Rocky bend only 3 plants, not viable. Hybridizes. Number of subpopulations in decline. ] |
Prior names
Caladenia conferta ssp. conferta
Arachnorchis conferta ssp. conferta
Calonemorchis conferta
Arachnorchis conferta, partly
Calonema confertum
Common names
Coast Spider-orchid
Distribution and status
Herbarium regions: Eyre Peninsula, Yorke Peninsula, South 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 | 378,200 (0.13 g) | 25 | 23-Oct-2018 | DJD3755 Yorke Peninsula | 24-Apr-2019 | N/C | -18°C |
BGA | 1,720,900 (0.614 g) | 50+ | 2-Nov-2022 | DJD4124 Yorke Peninsula | 21-Jun-2023 | N/C | -18°C, -80°C |
BGA | 204,500 (0.073 g) | 15 | 3-Nov-2022 | BKB67 Yorke Peninsula | 21-Jun-2023 | N/C | -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.