one known occurrence Archives - Center for Plant Conservation

One is the loneliest number: The plants of One Known Occurrence in the USA and Canada

Our new geologic era requires modern approaches for preventing extinction events. Previous work on plant extinctions in the United States and Canada identified that 64% were single-site endemics (Knapp et al. 2021). This agrees with a recent global analysis of plant extinctions that showed taxa from one area/or with extremely limited geographic ranges are the […]

Identifying Plants of One Known Occurrence for Priority Conservation Action

A new geologic era requires new methods to prevent plant extinctions. Two recent publications on plant extinctions, one at the global scale and one for the U.S.A. and Canada, discovered that plants known from just a single site are most likely to go extinct. In the U.S. and Canada, 64% of all known plant extinctions […]

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