Vietnam, Dak Nong Prov., Dak Glong Distr., Dak Som Municipality, steep hill slopes at elevation 800-900 m a.s.l. around point 11º52’27’’N 107º55’33’’E. Secondary broad-leaved open evergreen and mixed forest with P. khesya and bamboo. Terrestrial fern with fronds up to 1.2 m tall on very steep slope. Occasional.
Record creation: 2026-02-28, Аверьянов Леонид ВладимировичCitation: Specimen LE 01203711 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01203711