A global assessment found that 79% of temperate slipper orchid species in North America, Europe, and temperate Asia are threatened with extinction, mainly due to habitat destruction and over-collection.
Notes on verification
Confirmed by IUCN/Kew original assessment plus independent corroboration from National Geographic and Belgian Biodiversity Platform; figures consistent across sources. [tier=unverified indep_score=0.3 clusters=3 claim_tier=notable] [rescored 2026-09-15: curated origin-host map (PR #65); unclassified hosts no longer scored as aggregators]
Sources
- IUCN Red List raises more red flags for threatened species (seed:environment_and_wildlife)
- https://www.nationalgeographic.com/science/article/140613-conservation-species-iucn-red-list-endangered-science-environment (corroboration)
- https://www.kew.org/read-and-watch/slipper-orchids-close-to-the-edge (corroboration)
- https://www.biodiversity.be/2709 (corroboration)