FLORA OF VIETNAM
Orchidaceae
Liparis robustior Aver., sp. nov.

Ha Giang prov., Quan Ba distr., Tung Vai commune, Thang village, around point 23°03ʹ13.4ʺN 104°51ʹ48.8ʺE, steep rocky slopes of stream valley composed with eroded stratified highly eroded limestone at elevation 1000-1200 m a.s.l. Primary evergreen broad-leaved very humid forest. Clustering epiphyte on mossy tree (an occasionally lithophyte). Rare. 23 April 2018, L. Averyanov, Nguyen Sinh Khang, Nguyen Tien Hiep, Nguyen Quang Hieu, Chuong Quang Ngan, T. Maisak, VR 712a (holotype – LE01048903). Flowered in 15 November 2018. Flowers uniform olive-green to olive-brown, column white or light greenish with yellow apex, anther green, ovary/pedicel and floral bract grassy green. L. Averyanov.