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There are 5 species of cycad listed as Extinct in the Wild: Encephalartos brevifoliolatus, Escarpment cycad. Encephalartos heenanii, Heenan's Cycad. Encephalartos nubimontanus, Blue cycad. Encephalartos relictus, Parlota cycad. Encephalartos woodii, Wood's cycad. Encephalartos woodii is known only from its type specimen, which was discovered in ...
As of December 2023, the International Union for Conservation of Nature (IUCN) lists 5702 plant species categorized as Critically Endangered, including 569 which are tagged as possibly extinct and 48 possibly extinct in the wild. [1][2] 8.6% of all evaluated plant species are listed as critically endangered. The IUCN also lists 284 subspecies ...
Vulnerable (VU) species are considered to be facing a high risk of extinction in the wild. As of September 2016, the International Union for Conservation of Nature (IUCN) lists 5430 Vulnerable (VU) plant species. [1] 25% of all evaluated plant species are listed as Vulnerable. The IUCN also lists 244 subspecies and 235 varieties as Vulnerable.
A 2022 assessment of tree species native to the contiguous U.S. found 11-16% of species are threatened with extinction. The greatest threats are invasive pests and diseases. The greatest threats ...
The International Union for Conservation of Nature (IUCN) Red List of Threatened Species, also known as the IUCN Red List or Red Data Book, founded in 1964, is an inventory of the global conservation status and extinction risk of biological species. [1] A series of Regional Red Lists, which assess the risk of extinction to species within a ...
By Brad Brooks. (Reuters) -A leading conservation research group found that 40% of animals and 34% of plants in the United States are at risk of extinction, while 41% of ecosystems are facing ...
On 29 January 2010, the IUCN Red List of Threatened Species identified 842 (746 animals, 96 plants) extinct species, subspecies and varieties, stocks and sub-populations.
Up to 2 million plant and animal species worldwide are in danger of extinction, a new analysis suggests.. The International Union for Conservation of Nature's Red List reports that 19% of European ...