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2012.2 |
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2012.2 |
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The IUCN Red List
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| Kingdom | Phylum | Class | Order | Family |
|---|---|---|---|---|
| PLANTAE | TRACHEOPHYTA | LILIOPSIDA | CYPERALES | CYPERACEAE |
| Scientific Name: | Scirpus bicolor |
| Species Authority: | (Carmich.) Spreng. |
| Taxonomic Notes: | Synonym = Isolepis bicolor Carmich.
This is an extremely variable species; Hooper (1968) discriminates two varieties. Many more taxa were described by earlier authors but are unlikely to be of taxonomic value. |
| Red List Category & Criteria: | Least Concern ver 3.1 |
| Year Published: | 2003 |
| Assessor/s: | Jakubowsky, G. (University of Vienna, Institute of Botany) |
| Reviewer/s: | Cronk, Q. & Cairns-Wicks, R. (South Atlantic Island Plants Red List Authority) |
| Contributor/s: | |
|
Justification: The species is widespread and common on all four islands: Tristan da Cunha, Inaccessible Island, Nightingale Island, Gough Island. (literature, collections at K and BM, personal observations). |
|
| Range Description: | Endemic to Tristan da Cunha (Tristan da Cunca, Inaccessible Island, Nightingale Island, Gough Island). Extent of occurrence c. 160 km², area of occupancy only slightly less. The species is common and occurs almost continuously on all four islands. |
| Countries: | Native: Saint Helena, Ascension and Tristan da Cunha (Tristan da Cunha) |
| Range Map: | Click here to open the map viewer and explore range. |
| Population Trend: |
Stable
|
| Habitat and Ecology: | The species is common in most plant associations: Blechnum palmiforme heath, Blechnum penna-marina heath, Phylica arborea woodland, also on bare soil and colonizing the lava of the 1961 eruption on the main island. |
| Systems: | Terrestrial |
| Conservation Actions: | Gough Island is a World Heritage Site since 1995, Inaccessible Island is a Nature Reserve. |
| Citation: | Jakubowsky, G. (University of Vienna, Institute of Botany) 2003. Scirpus bicolor. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. <www.iucnredlist.org>. Downloaded on 24 May 2013. |
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