Potential distribution, habitat composition, preference and threats to Spikenard <Nardostachys jatamansi> (D.Don) DC. in Sakteng Wildlife Sanctuary, Trashigang, Bhutan

Potential distribution, habitat composition, preference and threats to Spikenard <Nardostachys jatamansi> (D.Don) DC. in Sakteng Wildlife Sanctuary, Trashigang, Bhutan

Bhutan stands out as one of the native areas where Nardostachy jatamansi grows. At an international level, a rampant rate of harvesting of its rhizome for medicinal and religious purposes has resulted in the species being categorized as ‘Critically Endangered’ as per the IUCN Red List Assessment, 2025. A survey was conducted in August 2021 within Sakteng Wildlife Sanctuary to identify the growing area of N. jatamansi within the sanctuary, determi