Opuntia austrina 


Taxonomy [top]

Kingdom Phylum Class Order Family
Plantae Tracheophyta Magnoliopsida Caryophyllales Cactaceae

Scientific Name: Opuntia austrina
Species Authority: Small
Taxonomic Notes: O. austrina was described 1903 by J.K.Small and was placed in synonymy in O. humifusa by Benson (1982).  Work by Majure et al. in prep. supports the recognition of O. austrina at the species level.

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2013
Date Assessed: 2011-07-26
Assessor(s): Majure, L. & Griffith, P.
Reviewer(s): Superina, M. & Goettsch, B.K.
Facilitator/Compiler(s): García, N.
Opuntia austrina is is listed as Least Concern because it very widespread within its range and it occurs in protected areas.

Geographic Range [top]

Range Description: Opuntia austrina is endemic to Florida, USA. It occurs throughout a wide range of elevations, from close to sea level to one of the highest places in Florida that is at least 24 m above sea level. The extent of occurrence of this species is approximately 34,000 km2. It is present in 8-12 locations.
Countries occurrence:
United States (Florida)
Number of Locations: 8-12
Lower elevation limit (metres): 1
Upper elevation limit (metres): 24
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: This species is relatively common throughout eastern Florida, with populations generally comprised of large numbers of individuals. Populations appear to be stable (L. Majure pers. comm. 2011).
Current Population Trend: Stable
Additional data:
Continuing decline of mature individuals: Unknown
Population severely fragmented: No

Habitat and Ecology [top]

Habitat and Ecology: The species primarily occurs in Florida scrub habitat, such as on the Lake Wales ridge.
Systems: Terrestrial

Use and Trade [top]

Use and Trade: There is no information on the use of this species.

Threats [top]

Major Threat(s): In certain areas the habitat has been fragmented by agriculture and citrus groves. The invasive cactus moth, Cactoblastus cactorum, is also a threat to the species. The majority of the area where the species was originally described is now urban, including the greater Miami, Florida area.

Conservation Actions [top]

Conservation Actions: Parts of the species range are located within protected areas (e.g., the Archbold Biological Station). Although coastal locations are likely to be affected by urban development, specific conservation measures are not recommended for the entire population.

Citation: Majure, L. & Griffith, P. 2013. Opuntia austrina. The IUCN Red List of Threatened Species 2013: e.T199642A2608413. . Downloaded on 29 November 2015.
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