This publication is copyright. Apart from any use permitted under the copyright Act 1968, no part may be reproduced by any process without prior written permission from the Government of South Australia. Requests and enquiries regarding reproduction should be addressed to:
Dickson C.R., Anderson R.A., Murphy A., Pritchard A., and Craig A. (2012). Recovery Plan for three orchid species in South Australia and Victoria: Caladenia richardsiorum (Little Dip Spider-orchid), Caladenia calcicola (Limestone Spider-orchid) and Pterostylis tenuissima (Swamp Greenhood). Department of Environment, Water and Natural Resources, South Australia, South East Region & Department of Sustainability and Environment, Victoria, South West Victoria Region.
List of Tables 4
List of Figures 4
Part A: Overview 5
1.1 Introduction 5
1.2 Regional Context 5
1.3 Relationship to other Management Documents 6
1.4 International Obligations 6
1.5 Storage of Spatial and Other Data 6
Part B: General Species Information 7
2.1 Nomenclature 7
2.2 Distinguishing Morphological Features 7
2.3 Ecology 8
2.4 Distribution and Population Size 9
2.5 Sub-population and Habitat Critical to Survival 10
2.6 Decline and Threats 10
Part C: Species Information 12
3.0 Caladenia richardsiorum D.L.Jones (Little Dip Spider-orchid) 12
3.1 Description 12
3.2 Conservation Status 12
3.3 Distribution and Population Size 12
3.4 Habitat 12
3.5 Ecology 14
3.6 Threats 14
3.7 Previous Recovery Actions 15
3.8 Community engagement 15
4.0 Caladenia calcicola G.W.Carr (Limestone Spider-orchid) 17
4.1 Description 17
4.2 Conservation Status 17
4.3 Distribution and Population Size 17
4.4 Habitat 18
4.5 Ecology 18
4.6 Threats 18
4.7 Previous Recovery Actions 19
5.0 Pterostylis tenuissima Nicholls (Swamp Greenhood) 22
5.1 Description 22
5.2 Conservation Status 22
5.3 Distribution and Population Size 22
5.4 Habitat 24
5.5 Ecology 24
5.6 Threats 24
5.7 Previous Recovery Actions 25
Part D: Objectives, Performance Criteria and Actions 28
6.1 Recovery Objectives and Performance Criteria 28
6.2 Program Implementation and Evaluation 28
6.3 Duration and Cost of Recovery Process 28
6.4 Management Practices 29
6.5 Biodiversity Conservation Benefits 29
6.6 Affected Interests 30
6.7 Role and Interests of Indigenous People 30
6.8 Social and Economic Impacts 30
References 40
Personal Communications and Observations 43