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Bidens amplectens

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Taxonomy [top]

Kingdom Phylum Class Order Family
PLANTAE TRACHEOPHYTA MAGNOLIOPSIDA ASTERALES COMPOSITAE

Scientific Name: Bidens amplectens
Species Authority: Sherff
Common Name/s:
English – Koko'olau

Assessment Information [top]

Red List Category & Criteria: Vulnerable D1+2 ver 3.1
Year Published: 2003
Assessor/s: Bruegmann, M.M. & Caraway, V.
Reviewer/s: Maunder, M. (Plant Conservation Committee) & Dickinson, T. (Red List Programme Office)
Contributor/s:
Justification:
B. amplectens is known from a single population on the northern end of the Waianae Mountain, Oahu. The population contains less than 1,000 mature individuals and has a very restricted area of occupancy.

Geographic Range [top]

Range Description: B. amplectens is known from a single population on the northern end of the Waianae Mountain, Oahu. The population contains less than 1,000 mature individuals and has a very restricted area of occupancy.
Countries:
Native:
United States (Hawaiian Is.)
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population Trend: Decreasing

Habitat and Ecology [top]

Habitat and Ecology: A short-lived perennial or sometimes facultatively annual of dry shrublands and forests on cliffs and steep rocky slopes.
Systems: Terrestrial

Threats [top]

Major Threat(s): Aggressive alien plants and fire are the main threats to B. amplectens

Conservation Actions [top]

Conservation Actions: Listed as a Candidate species with the U.S. Fish and Wildlife Service.
Citation: Bruegmann, M.M. & Caraway, V. 2003. Bidens amplectens. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. <www.iucnredlist.org>. Downloaded on 21 May 2013.
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