Papilionanthe greenii is a species of epiphytic orchid native to Bhutan.

[2] This species has been recorded growing in subtropical lowland moist forests on Magnolia champaca (syn.

Michelia champaca), Delonix regia, Lagerstroemia parviflora, Terminalia elliptica (syn.

[1] This species is included in the CITES appendix II and thus its trade is regulated.

[3] However, the assessment of the IUCN red list categorizes this species as least concern (LC).