List of Chromista by conservation status

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  •   Extinct in the wild (EW): 0 species
  •   Critically endangered (CR): 4 species
  •   Endangered (EN): 1 species
  •   Vulnerable (VU): 1 species
  •   Near threatened (NT): 0 species
  •   Least concern (LC): 0 species
  •   Data deficient (DD): 9 species
Species in Chromista (IUCN, 2016-2)
  • 15 extant species have been evaluated
  • 6 of those are fully assessed[lower-alpha 1]
  • 0 are not threatened at present[lower-alpha 2]
  • 6 to 15 are threatened[lower-alpha 3]
  • 0 to 4 are extinct or extinct in the wild:
    • 0 extinct (EX) species
    • 0 extinct in the wild (EW)
    • 4 possibly extinct [CR(PE)]
    • 0 possibly extinct in the wild [CR(PEW)]
  1. ↑ excludes data deficient evaluations.
  2. ↑ NT and LC.
  3. ↑ Threatened comprises CR, EN and VU. Upper estimate additionally includes DD.

As of July 2016, the International Union for Conservation of Nature (IUCN) has evaluated the conservation status of 15 species within Chromista.[1] The IUCN has not evaluated any protist species other than those in Chromista. No Chromista subspecies or subpopulations have been evaluated.

No evaluated Chromista species are confirmed to be extinct, but four are tagged as possibly extinct.

This is a complete list of Chromista evaluated by the IUCN.

  • Galapagos stringweed (Bifurcaria galapagensis) CR (possibly extinct)
  • Tropical acidweed (Desmarestia tropica) CR (possibly extinct)
  • Dictyopteris diaphana DD
  • Dictyota galapagensis CR (possibly extinct)
  • Dictyota major DD
  • Galapagos kelp (Eisenia galapagensis) VU
  • Padina concrescens DD
  • Albemarle sargassum (Sargassum albemarlense) DD
  • Galapagos sargassum (Sargassum galapagense) DD
  • String sargassum (Sargassum setifolium) EN
  • Templeton's sargassum (Sargassum templetonii) DD
  • Spatoglossum ecuadoreanum DD
  • Spatoglossum schmittii CR (possibly extinct)
  • Sporochnus rostratus DD
  • Zosterocarpus abyssicola DD

See also

References

  1. ↑ "IUCN Red List version 2016.1". The IUCN Red List of Threatened Species. International Union for Conservation of Nature and Natural Resources (IUCN). Archived from the original on 27 June 2014. Retrieved 4 July 2016.
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