Macrozamia macdonnellii 

Scope: Global
Language: English

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Taxonomy [top]

Kingdom Phylum Class Order Family
Plantae Tracheophyta Cycadopsida Cycadales Zamiaceae

Scientific Name: Macrozamia macdonnellii (F.Muell. ex Miq.) A.DC.

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2010
Date Assessed: 2009-10-31
Assessor(s): Hill, K.D.
Reviewer(s): Donaldson, J.S. & Bösenberg, J.D.
Not regarded as threatened at present due to large numbers and relatively little threat from land use. This species is listed as Least Concern, however, monitoring is required to see if the decline in the Black-footed Rock Wallaby has a significant negative impact.
Previously published Red List assessments:

Geographic Range [top]

Range Description:This species occurs in the Northern Territory, Australia, where it is found on the MacDonnell Range and associated range systems (including the Krichauff, George Gill, and Harts ranges).
Countries occurrence:
Australia (Northern Territory)
Additional data:
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:A locally abundant and stable species.
Current Population Trend:Stable
Additional data:
Number of mature individuals:10000-20000
Population severely fragmented:No

Habitat and Ecology [top]

Habitat and Ecology:This species is found widely scattered on thin soils on rocky slopes, in Triodia grassland or open woodland. They usually occur in shaded gullies or sheltered gorges and also grow on hills of both metamorphic and sedimentary rock.
Generation Length (years):60

Threats [top]

Major Threat(s): There is concern about an apparent decline in the Black-Footed Rock-wallaby, Petrogale lateralis, populations (see If Rock-wallabies undergo a decline this may have an adverse effect on seed dispersal. Plants are also poached by collectors.

Conservation Actions [top]

Conservation Actions: This species is listed on Appendix II of the CITES Appendices. Plants occur in the Alice Springs Telegraph Station Historic Reserve, Arltunga Historic Reserve, Finke Gorge National Park, Ruby Gap Nature Park, Watarrka National Park and the West MacDonnell National Park.

Classifications [top]

3. Shrubland -> 3.5. Shrubland - Subtropical/Tropical Dry
4. Grassland -> 4.5. Grassland - Subtropical/Tropical Dry
0. Root -> 6. Rocky areas (eg. inland cliffs, mountain peaks)
4. Education & awareness -> 4.3. Awareness & communications

In-Place Research, Monitoring and Planning
In-Place Land/Water Protection and Management
  Occur in at least one PA:Yes
In-Place Species Management
In-Place Education
  Included in international legislation:Yes
  Subject to any international management/trade controls:Yes
5. Biological resource use -> 5.2. Gathering terrestrial plants -> 5.2.1. Intentional use (species is the target)
♦ timing:Ongoing    
→ Stresses
  • 2. Species Stresses -> 2.1. Species mortality

7. Natural system modifications -> 7.3. Other ecosystem modifications
♦ timing:Ongoing    
→ Stresses
  • 2. Species Stresses -> 2.3. Indirect species effects -> 2.3.3. Loss of mutualism
  • 2. Species Stresses -> 2.3. Indirect species effects -> 2.3.8. Other

1. Research -> 1.3. Life history & ecology
1. Research -> 1.5. Threats
3. Monitoring -> 3.1. Population trends

♦  Pets/display animals, horticulture
 National : ✓  International : ✓ 

Bibliography [top]

Anonymous. 2007. A Management Program for Cycads in the Northern Territory of Australia (Draft). N. Terr. Government - Parks and Wildlife Service.

Donaldson, J.S. (ed.). 2003. Cycads. Status Survey and Conservation Action Plan. IUCN/SSC Cycad Specialist Group. IUCN, Gland, Switzerland and Cambridge, UK.

Hill, K. and Osborne, R. 2001. Cycads of Australia.

Hill, K.D. and Stevenson, D.W. 1998-2006. The Cycad Pages. Available at:

IUCN. 2010. IUCN Red List of Threatened Species (ver. 2010.3). Available at: (Accessed: 2 September 2010).

Jones, D.L. 1993. Cycads of the World. Reed, New Holland, Frenchs Forest, N.S.W., Australia.

Whitelock, L.M. 2002. The Cycads. Timber Press, Portland, Oregon.

Citation: Hill, K.D. 2010. Macrozamia macdonnellii. The IUCN Red List of Threatened Species 2010: e.T42011A10622215. . Downloaded on 25 September 2018.
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