Post by Surroundx on Nov 17, 2016 13:21:45 GMT 1
Scientific Name: Cyrtandra olona
Species Authority: C.N.Forbes
Taxonomic Source(s): Wagner, W.L., Herbst, D.R. and Lorence, D.H. 2005 onwards. Flora of the Hawaiian Islands website. Available at: botany.si.edu/pacificislandbiodiversity/hawaiianflora/index.htm.
Assessment Information [top]
Red List Category & Criteria: Extinct ver 3.1
Year Published: 2016
Date Assessed: 2016-07-01
Assessor(s): Clark, M.
Reviewer(s): Walsh, S.
Contributor(s): Nyberg, B. & Wood, K.
Justification:
This taxon is assessed as Extinct. It has not been seen since 1909 and was probably driven to extinction through the impacts on non-native plant and animal species.
Geographic Range [top]
Range Description: Cyrtandra olona was a Hawaiian endemic confined to the island of Kauaʻi. It is only known from the holotype collection made by Forbes in 1909 in the Wahiawa Mountains.
Countries occurrence:
Regionally extinct:
United States (Hawaiian Is.)
Additional data:
♦ Estimated area of occupancy (AOO) - km2: 0
Range Map: Click here to open the map viewer and explore range.
Population [top]
Population: This taxon is extinct. It is only known from a holotype collection made over 100 years ago.
Additional data:
♦ Number of mature individuals: 0
Habitat and Ecology [top]
Habitat and Ecology: The taxon was a shrub from the Wahiawa Mountains of Kauaʻi. This area is low montane wet shrubland and forest.
Systems: Terrestrial
Continuing decline in area, extent and/or quality of habitat: Yes
Threats [top]
Major Threat(s):
Major threats contributing to the extinction of this taxon would have included direct competition by invasive non-native plant species, and predation and habitat degradation by non-native animals, particularly feral ungulates.
Conservation Actions [top]
Conservation Actions: Cyrtandra olona is not listed by the U.S. Fish and Wildlife Service, as it was considered extinct prior to enactment of the Endangered Species Act. It is no longer a candidate species because it is believed to be extinct according to the U.S. Fish and Wildlife Service notice of review, as published in Federal Register Volume 55, Number 35, Pages 6184 - 6229, February 21, 1990.
Source: www.iucnredlist.org/details/summary/91178520/0
Species Authority: C.N.Forbes
Taxonomic Source(s): Wagner, W.L., Herbst, D.R. and Lorence, D.H. 2005 onwards. Flora of the Hawaiian Islands website. Available at: botany.si.edu/pacificislandbiodiversity/hawaiianflora/index.htm.
Assessment Information [top]
Red List Category & Criteria: Extinct ver 3.1
Year Published: 2016
Date Assessed: 2016-07-01
Assessor(s): Clark, M.
Reviewer(s): Walsh, S.
Contributor(s): Nyberg, B. & Wood, K.
Justification:
This taxon is assessed as Extinct. It has not been seen since 1909 and was probably driven to extinction through the impacts on non-native plant and animal species.
Geographic Range [top]
Range Description: Cyrtandra olona was a Hawaiian endemic confined to the island of Kauaʻi. It is only known from the holotype collection made by Forbes in 1909 in the Wahiawa Mountains.
Countries occurrence:
Regionally extinct:
United States (Hawaiian Is.)
Additional data:
♦ Estimated area of occupancy (AOO) - km2: 0
Range Map: Click here to open the map viewer and explore range.
Population [top]
Population: This taxon is extinct. It is only known from a holotype collection made over 100 years ago.
Additional data:
♦ Number of mature individuals: 0
Habitat and Ecology [top]
Habitat and Ecology: The taxon was a shrub from the Wahiawa Mountains of Kauaʻi. This area is low montane wet shrubland and forest.
Systems: Terrestrial
Continuing decline in area, extent and/or quality of habitat: Yes
Threats [top]
Major Threat(s):
Major threats contributing to the extinction of this taxon would have included direct competition by invasive non-native plant species, and predation and habitat degradation by non-native animals, particularly feral ungulates.
Conservation Actions [top]
Conservation Actions: Cyrtandra olona is not listed by the U.S. Fish and Wildlife Service, as it was considered extinct prior to enactment of the Endangered Species Act. It is no longer a candidate species because it is believed to be extinct according to the U.S. Fish and Wildlife Service notice of review, as published in Federal Register Volume 55, Number 35, Pages 6184 - 6229, February 21, 1990.
Source: www.iucnredlist.org/details/summary/91178520/0
