Macrozamia longispina 


Taxonomy [top]

Kingdom Phylum Class Order Family
Plantae Tracheophyta Cycadopsida Cycadales Zamiaceae

Scientific Name: Macrozamia longispina
Species Authority: P.I.Forst. & D.L.Jones

Assessment Information [top]

Red List Category & Criteria: Near Threatened ver 3.1
Year Published: 2010
Date Assessed: 2009-10-31
Assessor(s): Forster, P.
Reviewer(s): Donaldson, J.S. & Bösenberg, J.D.
Although the species has a small distribution (extent of occurrence is about 50 km² and the area of occupancy about 20 km²), it is listed as Near Threatened because the plants are copious, reproduce well, and the insect pollination mutualism is healthy. Two of the subpopulations are in conservation reserves. Almost qualifies for a threatened listing under criteria B1a+2a and D2.
Previously published Red List assessments:
2003 Least Concern (LC)

Geographic Range [top]

Range Description: This species occurs in southeastern Queensland, Australia. Populations are restricted to the vicinity of Widgee, which lies to the west of Gympie. Recorded at elevations ranging from 200 to 700 m asl.
Countries occurrence:
Australia (Queensland)
Estimated area of occupancy (AOO) - km2: 20
Number of Locations: 3
Lower elevation limit (metres): 200
Upper elevation limit (metres): 700
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: There are three known subpopulations with numbers probably not greater than 10,000 mature adult plants.
Current Population Trend: Stable
Additional data:
Number of mature individuals: 2500-10000
Population severely fragmented: No

Habitat and Ecology [top]

Habitat and Ecology: This species grows on slopes and ridges in tall moist eucalypt forest in shallow skeletal soils derived from serpentinite.
Systems: Terrestrial
Generation Length (years): 60

Threats [top]

Major Threat(s): The threats to this species are not known.

Conservation Actions [top]

Conservation Actions: This species is listed on Appendix II of the CITES Appendices. Plants occur in the Wrattens State Forest.

Citation: Forster, P. 2010. Macrozamia longispina. The IUCN Red List of Threatened Species 2010: e.T42009A10620766. . Downloaded on 30 November 2015.
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