Biodiversity

Species Profile and Threats Database


For information to assist proponents in referral, environmental assessments and compliance issues, refer to the Policy Statements and Guidelines (where available), the Conservation Advice (where available) or the Listing Advice (where available).
 
In addition, proponents and land managers should refer to the Recovery Plan (where available) or the Conservation Advice (where available) for recovery, mitigation and conservation information.

EPBC Act Listing Status Listed as Endangered
Recovery Plan Decision Recovery Plan required, this species had a recovery plan in force at the time the legislation provided for the Minister to decide whether or not to have a recovery plan (19/2/2007).
 
Adopted/Made Recovery Plans Dwarf Spider Orchid Caladenia bryceana subsp. bryceana Recovery Plan (Department of Environment and Conservation, 2009) [Recovery Plan].
 
Other EPBC Act Plans Fitzgerald Biosphere Recovery Plan: A Landscape Approach to Threatened Species and Ecological Communities Recovery and Biodiversity Conservation (Western Australia Department of Environment and Conservation (WA DEC), 2012) [Recovery Plan].
 
Threat Abatement Plan for Competition and Land Degradation by Feral Rabbits (Environment Australia (EA), 1999c) [Threat Abatement Plan].
 
Policy Statements and Guidelines Draft survey guidelines for Australia's threatened orchids (Department of the Environment, 2013b) [Admin Guideline].
 
Federal Register of
    Legislative Instruments
Declaration under s178, s181, and s183 of the Environment Protection and Biodiversity Conservation Act 1999 - List of threatened species, List of threatened ecological communities and List of threatening processes (Commonwealth of Australia, 2000) [Legislative Instrument].
 
State Government
    Documents and Websites
WA:Declared Rare & Poorly Known Flora in the Albany District. Western Australian wildlife management program no. 20 (Robinson, C.J. & D.J. Coates, 1995) [State Action Plan].
WA:Declared Rare and Poorly Known Flora in the Central Forest Region. Part 2 (Williams, K., A. Horan, S. Wood & A. Webb, 2001) [State Species Management Plan].
State Listing Status
WA: Listed as Endangered (Wildlife Conservation Act 1950 (Western Australia): September 2013 list)
Scientific name Caladenia bryceana subsp. bryceana [64503]
Family Orchidaceae:Orchidales:Liliopsida:Magnoliophyta:Plantae
Species author R.S.Rogers
Infraspecies author  
Reference Hopper, S.D. & Brown, A.P. (2001) Contributions to Western Australian orchidology: 2. New taxa and circumscriptions in Caladenia. Nuytsia 14(1/2): 196-197, Fig. 41 (map), 44 [autonym]
Distribution map Species Distribution Map

This is an indicative distribution map of the present distribution of the species based on best available knowledge. See map caveat for more information.

Illustrations Google Images

The following table lists known and perceived threats to this species. Threats are based on the International Union for Conservation of Nature and Natural Resources (IUCN) threat classification version 1.1.

Threat Class Threatening Species References
Agriculture and Aquaculture:Agriculture and Aquaculture:Land clearing, habitat fragmentation and/or habitat degradation Dwarf Spider Orchid (Caladenia bryceana subsp. bryceana MS) Interim Recovery Plan No. 39 - 1999-2002 (Holland, E., A. Brown & K. Kershaw, 1999) [State Recovery Plan].
Agriculture and Aquaculture:Livestock Farming and Grazing:Grazing pressures and associated habitat changes Dwarf Spider Orchid Caladenia bryceana subsp. bryceana Recovery Plan (Department of Environment and Conservation, 2009) [Recovery Plan].
Climate Change and Severe Weather:Climate Change and Severe Weather:Climate change altering atmosphere/hydrosphere temperatures, rainfall patterns and/or frequency of severe weather events Dwarf Spider Orchid Caladenia bryceana subsp. bryceana Recovery Plan (Department of Environment and Conservation, 2009) [Recovery Plan].
Ecosystem/Community Stresses:Indirect Ecosystem Effects:Loss and/or fragmentation of habitat and/or subpopulations Dwarf Spider Orchid Caladenia bryceana subsp. bryceana Recovery Plan (Department of Environment and Conservation, 2009) [Recovery Plan].
Dwarf Spider Orchid (Caladenia bryceana subsp. bryceana MS) Interim Recovery Plan No. 39 - 1999-2002 (Holland, E., A. Brown & K. Kershaw, 1999) [State Recovery Plan].
Human Intrusions and Disturbance:Recreational Activities:Disturbance, especially from human recreational activities and development Dwarf Spider Orchid (Caladenia bryceana subsp. bryceana MS) Interim Recovery Plan No. 39 - 1999-2002 (Holland, E., A. Brown & K. Kershaw, 1999) [State Recovery Plan].
Human Intrusions and Disturbance:Recreational Activities:Soil disturbance and/or trampling due to bushwalking Dwarf Spider Orchid Caladenia bryceana subsp. bryceana Recovery Plan (Department of Environment and Conservation, 2009) [Recovery Plan].
Dwarf Spider Orchid (Caladenia bryceana subsp. bryceana MS) Interim Recovery Plan No. 39 - 1999-2002 (Holland, E., A. Brown & K. Kershaw, 1999) [State Recovery Plan].
Invasive and Other Problematic Species and Genes:Invasive Non-Native/Alien Species:Competition and/or habitat degradation Oryctolagus cuniculus (Rabbit, European Rabbit) Dwarf Spider Orchid (Caladenia bryceana subsp. bryceana MS) Interim Recovery Plan No. 39 - 1999-2002 (Holland, E., A. Brown & K. Kershaw, 1999) [State Recovery Plan].
Invasive and Other Problematic Species and Genes:Invasive Non-Native/Alien Species:Competition and/or habitat degradation Echium plantagineum (Paterson's Curse, Salvation Jane, Purple Bugloss, Blue Echium, Blueweed, Blue Weed, Lady Campbell Weed, Plantain-leaf Viper's Bugloss, Purple Echium, Riverina Bluebell) Dwarf Spider Orchid Caladenia bryceana subsp. bryceana Recovery Plan (Department of Environment and Conservation, 2009) [Recovery Plan].
Invasive and Other Problematic Species and Genes:Invasive Non-Native/Alien Species:Competition and/or habitat degradation Anagallis arvensis (Scarlet Pimpernel, Blue Pimpernel, Pimpernel) Dwarf Spider Orchid Caladenia bryceana subsp. bryceana Recovery Plan (Department of Environment and Conservation, 2009) [Recovery Plan].
Invasive and Other Problematic Species and Genes:Invasive Non-Native/Alien Species:Competition and/or habitat degradation Oxalis pes-caprae (Soursob, Bermuda Buttercup, Buttercup Oxalis, Cape Cowslip, Geelsuring, Oxalis, Sorrel, Sourgrass, Yellow-Flowered Oxalis, Yellow Sorrel) Dwarf Spider Orchid Caladenia bryceana subsp. bryceana Recovery Plan (Department of Environment and Conservation, 2009) [Recovery Plan].
Invasive and Other Problematic Species and Genes:Invasive Non-Native/Alien Species:Competition and/or habitat degradation Arctotheca calendula (Capeweed, Cape Dandelion) Dwarf Spider Orchid Caladenia bryceana subsp. bryceana Recovery Plan (Department of Environment and Conservation, 2009) [Recovery Plan].
Invasive and Other Problematic Species and Genes:Invasive Non-Native/Alien Species:Competition and/or habitat degradation Briza minor (Shivery Grass, Lesser Quaking Grass) Dwarf Spider Orchid Caladenia bryceana subsp. bryceana Recovery Plan (Department of Environment and Conservation, 2009) [Recovery Plan].
Invasive and Other Problematic Species and Genes:Invasive Non-Native/Alien Species:Competition and/or habitat degradation Asparagus asparagoides (Bridal Creeper, Bridal Veil Creeper, Smilax, Florist's Smilax, Smilax Asparagus) Dwarf Spider Orchid Caladenia bryceana subsp. bryceana Recovery Plan (Department of Environment and Conservation, 2009) [Recovery Plan].
Invasive and Other Problematic Species and Genes:Invasive Non-Native/Alien Species:Competition and/or habitat degradation by weeds Dwarf Spider Orchid (Caladenia bryceana subsp. bryceana MS) Interim Recovery Plan No. 39 - 1999-2002 (Holland, E., A. Brown & K. Kershaw, 1999) [State Recovery Plan].
Invasive and Other Problematic Species and Genes:Invasive Non-Native/Alien Species:Competition and/or habitat degradation caused by Avena spp. Dwarf Spider Orchid Caladenia bryceana subsp. bryceana Recovery Plan (Department of Environment and Conservation, 2009) [Recovery Plan].
Invasive and Other Problematic Species and Genes:Invasive Non-Native/Alien Species:Competition and/or habitat degradation caused by exotic pasture species Dwarf Spider Orchid Caladenia bryceana subsp. bryceana Recovery Plan (Department of Environment and Conservation, 2009) [Recovery Plan].
Natural System Modifications:Dams and Water Management/Use:Alteration of hydrological regimes and water quality Dwarf Spider Orchid Caladenia bryceana subsp. bryceana Recovery Plan (Department of Environment and Conservation, 2009) [Recovery Plan].
Natural System Modifications:Fire and Fire Suppression:Inappropriate and/or changed fire regimes (frequency, timing, intensity) Dwarf Spider Orchid Caladenia bryceana subsp. bryceana Recovery Plan (Department of Environment and Conservation, 2009) [Recovery Plan].
Dwarf Spider Orchid (Caladenia bryceana subsp. bryceana MS) Interim Recovery Plan No. 39 - 1999-2002 (Holland, E., A. Brown & K. Kershaw, 1999) [State Recovery Plan].
Natural System Modifications:Fire and Fire Suppression:Inappropriate prescribed regimes and/or vegetation management to control fire regimes Dwarf Spider Orchid (Caladenia bryceana subsp. bryceana MS) Interim Recovery Plan No. 39 - 1999-2002 (Holland, E., A. Brown & K. Kershaw, 1999) [State Recovery Plan].
Species Stresses:Indirect Species Effects:Low numbers of individuals Dwarf Spider Orchid (Caladenia bryceana subsp. bryceana MS) Interim Recovery Plan No. 39 - 1999-2002 (Holland, E., A. Brown & K. Kershaw, 1999) [State Recovery Plan].
Declared Rare and Poorly Known Flora in the Central Forest Region. Part 2 (Williams, K., A. Horan, S. Wood & A. Webb, 2001) [State Species Management Plan].

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This database is designed to provide statutory, biological and ecological information on species and ecological communities, migratory species, marine species, and species and species products subject to international trade and commercial use protected under the Environment Protection and Biodiversity Conservation Act 1999 (the EPBC Act). It has been compiled from a range of sources including listing advice, recovery plans, published literature and individual experts. While reasonable efforts have been made to ensure the accuracy of the information, no guarantee is given, nor responsibility taken, by the Commonwealth for its accuracy, currency or completeness. The Commonwealth does not accept any responsibility for any loss or damage that may be occasioned directly or indirectly through the use of, or reliance on, the information contained in this database. The information contained in this database does not necessarily represent the views of the Commonwealth. This database is not intended to be a complete source of information on the matters it deals with. Individuals and organisations should consider all the available information, including that available from other sources, in deciding whether there is a need to make a referral or apply for a permit or exemption under the EPBC Act.

Citation: Department of the Environment (2014). Caladenia bryceana subsp. bryceana in Species Profile and Threats Database, Department of the Environment, Canberra. Available from: http://www.environment.gov.au/sprat. Accessed Fri, 29 Aug 2014 22:04:59 +1000.