Cyanea gibsonii


Taxonomy [top]

Kingdom Phylum Class Order Family

Scientific Name: Cyanea gibsonii
Species Authority: Hillebr.
Taxonomic Notes: Synoym = Cyanea macrostegia ssp. gibsonii.

Assessment Information [top]

Red List Category & Criteria: Critically Endangered D ver 3.1
Year Published: 2003
Date Assessed: 2003-04-30
Needs updating
Assessor(s): Bruegmann, M.M. & Caraway, V.
Reviewer(s): Maunder, M. (Plant Conservation Committee) & Pollock, C.M. (Red List Programme Office)
Cyanea gibsonii is endemic to the island of Lanai, Hawaii. It is known from eight subpopulations, totaling 75–80 individuals. Assuming less than 50% are mature individuals, this means the population size is less than 50. Threats include deer, weeds, rats and invertebrates.

Geographic Range [top]

Range Description: Cyanea gibsonii is endemic to the Hawaiian Islands. It occurs on the island of Lanai.
United States (Hawaiian Is.)
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population Trend: Unknown

Habitat and Ecology [top]

Systems: Terrestrial

Threats [top]

Major Threat(s): Threats include deer, weeds, rats and invertebrates.

Conservation Actions [top]

Conservation Actions: Federal candidate for listing as endangered.

Citation: Bruegmann, M.M. & Caraway, V. 2003. Cyanea gibsonii. The IUCN Red List of Threatened Species. Version 2015.2. <>. Downloaded on 31 August 2015.
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