Overview

Distribution

National Distribution

United States

Origin: Unknown/Undetermined

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

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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.
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Physical Description

Type Information

Isotype for Opuntia pollardii Britton & Rose
Catalog Number: US 274679
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Verification Degree: Original publication and alleged type specimen examined
Preparation: Pressed specimen
Collector(s): C. L. Pollard
Year Collected: 1896
Locality: Harrison, Mississippi, United States, North America
  • Isotype: Britton, N. L. & Rose, J. N. 1908. Smithsonian Misc. Collect. 50: 523.
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Type fragment for Opuntia pollardii Britton & Rose
Catalog Number: US 1812771
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Verification Degree: Original publication and alleged type specimen examined
Preparation: Pressed specimen
Collector(s): C. L. Pollard
Year Collected: 1896
Locality: Harrison, Mississippi, United States, North America
  • Type fragment: Britton, N. L. & Rose, J. N. 1908. Smithsonian Misc. Collect. 50: 523.
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Ecology

Habitat

Habitat and Ecology

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

Systems
  • Terrestrial
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Conservation

Conservation Status

National NatureServe Conservation Status

United States

Rounded National Status Rank: NNR - Unranked

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NatureServe Conservation Status

Rounded Global Status Rank: TNR - Not Yet Ranked

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IUCN Red List Assessment


Red List Category
LC
Least Concern

Red List Criteria

Version
3.1

Year Assessed
2013

Assessor/s
Majure, L. & Griffith, P.

Reviewer/s
Superina, M. & Goettsch, B.K.

Contributor/s

Justification
Opuntia austrina is is listed as Least Concern because it very widespread within its range and it occurs in protected areas.
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Population

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).

Population Trend
Stable
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Threats

Major Threats
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.
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Management

Conservation Actions

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.
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