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Calyptronoma rivalis (palma de manaca) Calystegia stebbinsii (Stebbins' false bindweed) Camissonia benitensis (San Benito evening primrose) Campanula robinsiae (Brooksville bellflower) Canavalia molokaiensis (puakauhi) Canavalia napaliensis (MÄkaha Valley Jack-bean) Cardamine micranthera (small-anthered bittercress)
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 ...
An even higher risk is faced by critically endangered species, which meet the quantitative criteria for endangered species. Critically endangered plants are listed separately. There are 6147 plant species which are endangered or critically endangered. Additionally 1674 plant species (7.6% of those evaluated) are listed as data deficient ...
Pink mucket (Lampsilis abrupta) Oyster mussel (Epioblasma capsaeformis) Birdwing pearlymussel (Lemiox rimosus) Cracking pearly mussel (Hemistena lata) Dromedary pearly mussel (Dromus dromas) Green blossom pearlymussel (Epioblasma torulosa gubernaculum) Littlewing pearlymussel (Pegias fabula)
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.
CNPS originally developed the Inventory of Rare and Endangered Plants of California with the guidance of botanist and evolutionary biologist G. Ledyard Stebbins. [2] The 1st Edition was printed in 1974. The last print version, the 6th Edition, was published in 2001. The 8th Edition, released in 2010 with ongoing updates, is the current database.
The Mauna Kea silversword is an erect, single-stemmed and monocarpic or rarely branched and polycarpic basally woody herb, producing a globe-shaped cluster of thick, spirally arranged, sword-shaped silvery-green floccose-sericeous, linear-ligulate to linear-lanceolate leaves growing in a rosette. The epigeal or nearly epigeal rosette may become ...
"Connecticut's Endangered, Threatened and Special Concern Species 2015". State of Connecticut Department of Energy and Environmental Protection Bureau of Natural Resources. Retrieved 1 February 2018. (Note: This list is newer than the one used by plants.usda.gov and is more up-to-date.)