Assertion: mescaline's plant | /r/AtLocation | danger of extinction
Facets:
value: because of the harvesting of wild populations.13
type: CAUSE
Source sentences:
text: Formal use of the bark to treat malaria was established in the mid-1800s when the British began the worldwide cultivation of the plant11 in order to assure the continuing availability because the plant was in danger of extinction in some regions because of the harvesting of wild populations.13