Справочные данные LE - Этикетки Аверьянова Л. В.

FLORA OF VIETNAM
Boraginaceae
Cynoglossum zeylanicum Thunb. ex Lehm.

Ha Giang Prov., Quan Ba Distr., Tung Vai Commune, Thang Village, around point 23.05349°N 104.86446°E, steep rocky slopes of river valley composed with eroded limestone mixed with sandstone at elevation 1000–1100 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest along river. Terrestrial herb in open rocky place along trail. Flowers light blue to almost white. Locally common. Root locally edible being cooked with meat. 7 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1456 (HN, LE01061072, LE01066963).

FLORA OF VIETNAM
Urticaceae
Boehmeria cylindrica (L.) Sw.

Ha Giang Prov., Quan Ba Distr., Tung Vai Commune, Thang Village, around point 23.05349°N 104.86446°E, steep rocky slopes of river valley composed with eroded limestone mixed with sandstone at elevation 1000–1100 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest along river. Terrestrial herb in open rocky place along trail. Inflorescences pale green to pinkish. Not common. 7 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1455 (HN, LE01061073, LE01066961).

FLORA OF VIETNAM
Arecaceae
Caryota monostachya Beccari

Ha Giang Prov., Quan Ba Distr., Tung Vai Commune, Thang Village, around point 23.05349°N 104.86446°E, steep rocky slopes of river valley composed with eroded limestone mixed with sandstone at elevation 1000–1100 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest along river. Palm about 1.2 m tall on steep rocky river slope. Flowers dull brownish-purple, stamens bright yellow. Fruits dark glossy green. Common. 7 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1454 (HN, LE01061074, LE01066970). Det.: A. Henderson 10.12.2019.

FLORA OF VIETNAM
Fabaceae s.l. (Mimosaceae)
Archidendron chevalieri (Kosterm.) I.C. Nielsen

Ha Giang Prov., Quan Ba Distr., Tung Vai Commune, Thang Village, around point 23.05349°N 104.86446°E, steep rocky slopes of river valley composed with eroded limestone mixed with sandstone at elevation 1000–1100 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest along river. Tree about 15 m tall on very steep rocky river slope. Fruits light dull brownish. Common. 7 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1453.
Det.: Sawai Mattapha 29.11.2019 (HN, LE01061075, LE01066969).

FLORA OF VIETNAM
Begoniaceae
Begonia palmata D. Don

Ha Giang Prov., Quan Ba Distr., Tung Vai Commune, Thang Village, around point 23.05349°N 104.86446°E, steep rocky slopes of river valley composed with eroded limestone mixed with sandstone at elevation 1000–1100 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest along river. Terrestrial herb on very steep rocky shady river slope. Flowers white to light pink. Common. 7 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1452a (HN, LE01061077).

FLORA OF VIETNAM
Convallariaceae
Tupistra nganii K.S. Nguyen, Aver. & N. Tanaka

Ha Giang Prov., Quan Ba Distr., Tung Vai Commune, Thang Village, around point 23.05349°N 104.86446°E, steep rocky slopes of river valley composed with eroded limestone mixed with sandstone at elevation 1000–1100 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest along river. Terrestrial herb on very steep rocky shady river slope. Flowers yellow. Common. 7 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1452 (HN, LE01061076, LE01066967).

FLORA OF VIETNAM
Gesneriaceae
Aeschynanthus superbus C.B. Clarke

Ha Giang Prov., Quan Ba Distr., Tung Vai Commune, Thang Village, around point 23.05349°N 104.86446°E, steep rocky slopes of river valley composed with eroded limestone mixed with sandstone at elevation 1000–1100 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest along river. Semiwoody epiphytic vine to 3 m long on very steep shady rocky river slope. Not common. 7 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1451 (HN, LE01061078, LE01066964).

FLORA OF VIETNAM
Begoniaceae
Begonia versicolor Irmsch.

Ha Giang Prov., Quan Ba Distr., Tung Vai Commune, Thang Village, around point 23.05349°N 104.86446°E, steep rocky slopes of river valley composed with eroded limestone mixed with sandstone at elevation 1000–1100 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest along river. Terrestrial and lithophytic herb on very steep shady river slope. Leaved dirty purple marked above. Not common. 7 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1450 (HN, LE01061058, LE01066974).

FLORA OF VIETNAM
Amaranthaceae
Deeringia amaranthoides Merr.

Ha Giang Prov., Quan Ba Distr., Tung Vai Commune, Thang Village, around point 23.05349°N 104.86446°E, steep rocky slopes of river valley composed with eroded limestone mixed with sandstone at elevation 1000–1100 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest along river. Semi woody vine to 4 m long on open slope. Flowers light greenish. Occasional. 7 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1449 (HN, LE01061059, LE01066977).

FLORA OF VIETNAM
Begoniaceae
Begonia hemsleyana Hook.f.

Ha Giang Prov., Quan Ba Distr., Tung Vai Commune, Thang Village, around point 23.05349°N 104.86446°E, steep rocky slopes of river valley composed with eroded limestone mixed with sandstone at elevation 1000–1100 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest along river. Terrestrial herb to 0.5 m tall on steep shady stream slope. Common. 7 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1448 (HN, LE01061060, LE01066973).

FLORA OF VIETNAM
Orchidaceae
Phaius wenshanensis F.Y. Liu

Ha Giang Prov., Quan Ba Distr., Tung Vai Commune, Thang Village, around point 23.05349°N 104.86446°E, steep rocky slopes of river valley composed with eroded limestone mixed with sandstone at elevation 1000–1100 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest along river. Terrestrial herb to 1 m tall on steep shady stream slope. Not common. 7 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1447 (HN, LE01061061, LE01066793).

FLORA OF VIETNAM
Orchidaceae
Bulbophyllum longibrachiatum Z.H. Tsi

Ha Giang Prov., Quan Ba Distr., Tung Vai Commune, Thang Village, around point 23.05349°N 104.86446°E, steep rocky slopes of river valley composed with eroded limestone mixed with sandstone at elevation 1000–1100 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest along river. Creeping lithophyte on old mossy tree. Flowers orange-brown, leaves purple below. Common. 7 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1446 (HN, LE01061062, LE01066792).

FLORA OF VIETNAM
Orchidaceae
Calanthe lyroglossa Rchb.f.

Ha Giang Prov., Quan Ba Distr., Tung Vai Commune, Thang Village, around point 23.05349°N 104.86446°E, steep rocky slopes of river valley composed with eroded limestone mixed with sandstone at elevation 1000–1100 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest along river. Terrestrial and lithophytic creeping herb on very steep shady stream slope. Locally very common. 7 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1445 (HN, LE01061063, LE01066791).

FLORA OF VIETNAM
Polypodiaceae s.l.
Asplenium scortechinii Bedd.

Ha Giang Prov., Quan Ba Distr., Tung Vai Commune, Thang Village, around point 23.05349°N 104.86446°E, steep rocky slopes of river valley composed with eroded limestone mixed with sandstone at elevation 1000–1100 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest along river. Epiphyte on old mossy trees along stream. Common. 7 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1444 (HN, LE01061064, LE01066978).

FLORA OF VIETNAM
Polypodiaceae s.l. (Thelypteridaceae)
Cyclosorus erubescens (Wall. ex Hook.) C.M. Kuo

Ha Giang Prov., Quan Ba Distr., Tung Vai Commune, Thang Village, around point 23.05349°N 104.86446°E, steep rocky slopes of river valley composed with eroded limestone mixed with sandstone at elevation 1000–1100 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest along river. Terrestrial fern on very steep river slope. Fronds to 1.6 m tall. Common. 7 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1443 (HN, LE01061065, LE01066976).

FLORA OF VIETNAM
Polypodiaceae s.l.
Pteris tripartita Sw.

Ha Giang Prov., Quan Ba Distr., Tung Vai Commune, Thang Village, around point 23.05349°N 104.86446°E, steep rocky slopes of river valley composed with eroded limestone mixed with sandstone at elevation 1000–1100 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest along river. Terrestrial fern on very steep river slope. Fronds to 1.2 m tall. Common. 7 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1442 (HN, LE01061066, LE01066972).

FLORA OF VIETNAM
Polypodiaceae
Pyrrosia lingua (Thunb.) Farw.

Ha Giang Prov., Quan Ba Distr., Tung Vai Commune, Thang Village, around point 23.05349°N 104.86446°E, steep rocky slopes of river valley composed with eroded limestone mixed with sandstone at elevation 1000–1100 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest along river. Creeping epiphyte on old mossy tree along stream. Very common. 7 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1441 (HN, LE01061067, LE01066971).

FLORA OF VIETNAM
Polypodiaceae
Selliguea griffithiana (Hook.) S. Linds.

Ha Giang Prov., Quan Ba Distr., Tung Vai Commune, Thang Village, around point 23.05349°N 104.86446°E, steep rocky slopes of river valley composed with eroded limestone mixed with sandstone at elevation 1000–1100 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest along river. Creeping epiphyte on old mossy tree along stream. Very common. 7 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1440 (LE01061057, LE01066968).

FLORA OF VIETNAM
Rubiaceae
Psychotria montana Blume

Ha Giang Prov., Quan Ba Distr., Tung Vai Commune, Thang Village, around point 23.05349°N 104.86446°E, steep rocky slopes of river valley composed with eroded limestone mixed with sandstone at elevation 1000–1100 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest along river. Shrub to 3 m tall on steep river slope. Fruits juicy, bright red. Not common. 7 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1439 (HN, LE01061056, LE01066975).

FLORA OF VIETNAM
Araliaceae
Schefflera sp.

Ha Giang Prov., Quan Ba Distr., Tung Vai Commune, Thang Village, around point 23.05349°N 104.86446°E, steep rocky slopes of river valley composed with eroded limestone mixed with sandstone at elevation 1000–1100 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest along river. Tree about 15 m tall on steep river slope. Flowers and young fruits pale green. Not common. 7 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1438 (HN, LE01061049, LE01067020).

FLORA OF VIETNAM
Lauraceae
Litsea helferi Hook.f.

Ha Giang Prov., Quan Ba Distr., Tung Vai Commune, Thang Village, around point 23.05349°N 104.86446°E, steep rocky slopes of river valley composed with eroded limestone mixed with sandstone at elevation 1000–1100 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest along river. Tree about 15 m tall on steep river slope. Fruits glossy green. Not common. 7 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1437 (HN, LE01061050, LE01067019).

FLORA OF VIETNAM
Orchidaceae
Dendrobium moniliforme (L.) Sw.

Ha Giang Prov., Quan Ba Distr., Tung Vai Commune, Thang Village, around point 23.05349°N 104.86446°E, steep rocky slopes of river valley composed with eroded limestone mixed with sandstone at elevation 1000–1100 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest along river. Epiphyte on old mossy trees along river. Flowers white, lip with dull yellowish center. Occasional. 7 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1436 (LE01066652).

FLORA OF VIETNAM
Verbenaceae
Clerodendrum mandarinorum Diels

Ha Giang Prov., Quan Ba Distr., Tung Vai Commune, Thang Village, around point 23.05349°N 104.86446°E, steep rocky slopes of river valley composed with eroded limestone mixed with sandstone at elevation 1000–1100 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest along river. Tree to 15 m tall in open place along river valley. Fruits dark blue to black. Occasional. 7 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1435.
Det.: Chen Yaping 08.12.2019 (HN, LE01061051, LE01066979).

FLORA OF VIETNAM
Polypodiaceae s.l. (Cyatheaceae)
Sphaeropteris brunoniana (Hook.) R.M. Tryon

Ha Giang Prov., Quan Ba Distr., Tung Vai Commune, Thang Village, around point 23.05349°N 104.86446°E, steep rocky slopes of river valley composed with eroded limestone mixed with sandstone at elevation 1000–1100 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest along river. Woody fern about 2 m tall on steep shady slope. Common. 7 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1434 (HN, LE01061052, LE01066980).

FLORA OF VIETNAM
Arecaceae
Lanonia dasyantha (Burret) Henderson & Bacon

Ha Giang Prov., Quan Ba Distr., Tung Vai Commune, Thang Village, around point 23.05349°N 104.86446°E, steep rocky slopes of river valley composed with eroded limestone mixed with sandstone at elevation 1000–1100 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest along river. Palm to 1.5 m tall on steep shady slope. Fruits dull pink. Common. 7 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1433 (HN, LE01061053, LE01067018). Det.: A. Henderson 10.12.2019.

FLORA OF VIETNAM
Polypodiaceae
Microsorum insigne (Blume) Copel.

Ha Giang Prov., Quan Ba Distr., Tung Vai Commune, Thang Village, around point 23.05349°N 104.86446°E, steep rocky slopes of river valley composed with eroded limestone mixed with sandstone at elevation 1000–1100 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest along river. Terrestrial fern on steep shady slope. Fronds to 2 m long. Very common. 7 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1432 (HN, LE01061054, LE01067017).

FLORA OF VIETNAM
Orchidaceae
Bulbophyllum metallica Aver. & K.S. Nguyen

Ha Giang Prov., Quan Ba Distr., Tung Vai Commune, Thang Village, around point 23.05349°N 104.86446°E, steep rocky slopes of river valley composed with eroded limestone mixed with sandstone at elevation 1000–1100 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest along river. Epiphyte with hanging stems to 2 m long on old mossy trees along river. Flowers white to light yellowish, tepal apices purple. Not common. 7 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1431 (HN, LE01061055, LE01066790).

FLORA OF VIETNAM
Orchidaceae
Liparis chapaensis Gagnep.

Ha Giang Prov., Quan Ba Distr., Tung Vai Commune, Thang Village, around point 23.05349°N 104.86446°E, steep rocky slopes of river valley composed with eroded limestone mixed with sandstone at elevation 1000–1100 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest along river. Clustering lithophyte on vertical wet mossy stream cliffs. Flowers dull orange-brown. Very common. 7 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1430 (HN, LE01061041, LE01066789).

FLORA OF VIETNAM
Orchidaceae
Bulbophyllum repens Griff.?

Ha Giang Prov., Quan Ba Distr., Tung Vai Commune, Thang Village, around point 23.05349°N 104.86446°E, steep rocky slopes of river valley composed with eroded limestone mixed with sandstone at elevation 1000–1100 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest along river. Creeping epiphyte on old mossy tree along stream. Rare. 7 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1429 (HN, LE01061120, LE01066788).

FLORA OF VIETNAM
Lycopodiaceae
Lycopodium cernuum L.

Ha Giang Prov., Quan Ba Distr., Tung Vai Commune, Thang Village, around point 23.05349°N 104.86446°E, steep rocky slopes of river valley composed with eroded limestone mixed with sandstone at elevation 1000–1100 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest along river. Creeping herb with erect stems to 0.5 m tall in open grassy place along trail. Common. 7 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1428 (HN, LE01061119, LE01067016).

FLORA OF VIETNAM
Rubiaceae
Nertera sinensis F.B. Forbes & Hemsl.

Ha Giang Prov., Quan Ba Distr., Tung Vai Commune, Thang Village, around point 23.05349°N 104.86446°E, steep rocky slopes of river valley composed with eroded limestone mixed with sandstone at elevation 1000–1100 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest along river. Prostrate creeping lithophytic herb on wet mossy stream rocks. Fruits pale dull blue to almost black. Locally very common. 7 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1427 (HN, LE01061116, LE01067015).

FLORA OF VIETNAM
Asteraceae
Bidens sp.

Ha Giang Prov., Quan Ba Distr., Tung Vai Commune, Thang Village, around point 23.05349°N 104.86446°E, steep rocky slopes of river valley composed with eroded limestone mixed with sandstone at elevation 1000–1100 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest along river. Biennial lithophytic herb to 0.5 m tall on wet mossy stream rocks. Flowers yellow. Occasional. 7 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1426 (HN, LE01061118, LE01067014).

FLORA OF VIETNAM
Orchidaceae
Stereochilus erinaceus (Rchb.f.) Garay?

Ha Giang Prov., Quan Ba Distr., Tung Vai Commune, Thang Village, around point 23.05349°N 104.86446°E, steep rocky slopes of river valley composed with eroded limestone mixed with sandstone at elevation 1000–1100 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest along river. Clustering epiphyte on old mossy tree along stream. Locally common. 7 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1425 (HN, LE01061117, LE01066787).

FLORA OF VIETNAM
Orchidaceae
Stereochilus erinaceus (Rchb.f.) Garay?

Ha Giang Prov., Quan Ba Distr., Tung Vai Commune, Thang Village, around point 23.05349°N 104.86446°E, steep rocky slopes of river valley composed with eroded limestone mixed with sandstone at elevation 1000–1100 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest along river. Clustering epiphyte on old mossy tree along stream. Locally common. 7 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1424 (HN, LE01061115, LE01066786).

FLORA OF VIETNAM
Rubiaceae
Mycetia longifolia (Wall.) Kuntze

Ha Giang Prov., Quan Ba Distr., Tung Vai Commune, Thang Village, around point 23.05349°N 104.86446°E, steep rocky slopes of river valley composed with eroded limestone mixed with sandstone at elevation 1000–1100 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest along river. Undershrub 1-1.5 m tall on steep shady river slope. Common. 7 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1423 (HN, LE01061114, LE01067013).

FLORA OF VIETNAM
Polypodiaceae s.l. (Dryopteridaceae)
Bolbitis heteroclita (Pr.) Ching

Ha Giang Prov., Quan Ba Distr., Tung Vai Commune, Thang Village, around point 23.05349°N 104.86446°E, steep rocky slopes of river valley composed with eroded limestone mixed with sandstone at elevation 1000–1100 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest along river. Terrestrial and lithophytic fern on steep shady river slope near to water line. Very common. 7 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1422 (HN, LE01061113, LE01067009).

FLORA OF VIETNAM
Polypodiaceae s.l. (Tectariacae)
Tectaria stenoptera Ching

Ha Giang Prov., Quan Ba Distr., Tung Vai Commune, Thang Village, around point 23.05349°N 104.86446°E, steep rocky slopes of river valley composed with eroded limestone mixed with sandstone at elevation 1000–1100 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest along river. Terrestrial fern on steep shady river slope. Fronds to 1.5 long. Very common. 7 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1421 (HN, LE01061101, LE01067005).

FLORA OF VIETNAM
Orchidaceae
Odontochilus inabae (Hayata) Ohwi?

Ha Giang Prov., Quan Ba Distr., Tung Vai Commune, Thang Village, around point 23.05349°N 104.86446°E, steep rocky slopes of river valley composed with eroded limestone mixed with sandstone at elevation 1000–1100 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest along river. Creeping terrestrial herb with uniform velvety green leaves on steep shady slope. Flowers pale brownish, lip white. Rare. 7 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1420 (HN, LE01061102, LE01066785).

FLORA OF VIETNAM
Orchidaceae
Eria paniculata Lindl.

Ha Giang Prov., Quan Ba Distr., Tung Vai Commune, Thang Village, around point 23.05349°N 104.86446°E, steep rocky slopes of river valley composed with eroded limestone mixed with sandstone at elevation 1000–1100 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest along river. Clustering epiphyte on old mossy trees along river. Common. 7 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1419 (HN, LE01061103, LE01066784).

FLORA OF VIETNAM
Orchidaceae
Coelogyne dolichopoda Aver. & K.S. Nguyen

Ha Giang Prov., Quan Ba Distr., Tung Vai Commune, Thang Village, around point 23.05349°N 104.86446°E, steep rocky slopes of river valley composed with eroded limestone mixed with sandstone at elevation 1000–1100 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest along river. Creping epiphytic vine to 3 m long on old mossy trees along river. Not rare. 7 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1418 (HN, LE01061048, LE01061104, LE01067081).

FLORA OF VIETNAM
Rubiaceae
Spiradiclis sp. 2

Ha Giang Prov., Quan Ba Distr., Tung Vai Commune, Thang Village, around point 23.05349°N 104.86446°E, steep rocky slopes of river valley composed with eroded limestone mixed with sandstone at elevation 1000–1100 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest along river. Lithophytic herb on wet mossy stream rocks. Flowers light pink-violet to almost white. Very common. 7 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1417 (HN, LE01061105, LE01067010).

FLORA OF VIETNAM
Caprifoliaceae
Sambucus javanica Blume

Ha Giang Prov., Quan Ba Distr., Tung Vai Commune, Thang Village, around point 23.05349°N 104.86446°E, steep rocky slopes of river valley composed with eroded limestone mixed with sandstone at elevation 1000–1100 m a.s.l. Shrub 2.5-3 m tall on open steep slope. Flowers white. Occasional. 7 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1416a (LE01061305).

FLORA OF VIETNAM
Lamiaceae
Isodon lophanthoides (Buch.-Ham. ex D. Don) H. Hara var. lophanthoides

Ha Giang Prov., Quan Ba Distr., Tung Vai Commune, Thang Village, around point 23.05349°N 104.86446°E, steep rocky slopes of river valley composed with eroded limestone mixed with sandstone at elevation 1000–1100 m a.s.l. Terrestrial herb in open grassy place along trail. Flowers light violet to almost white. Common weed. 7 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1416 (HN, LE01061106, LE01067011).
Det.: Chen Yaping 30.11.2019.

FLORA OF VIETNAM
Lamiaceae
Pogostemon auricularius (L.) Hassk.

Ha Giang Prov., Quan Ba Distr., Tung Vai Commune, Thang Village, around point 23.05349°N 104.86446°E, steep rocky slopes of river valley composed with eroded limestone mixed with sandstone at elevation 1000–1100 m a.s.l. Terrestrial herb in open grassy place along trail. Flowers light violet to almost white. Common weed. 7 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1415 (HN, LE01061047, LE01067012). Det.: Chen Yaping 30.11.2019.

FLORA OF VIETNAM
Lamiaceae
Mosla scabra (Thunb.) C.Y. Wu & H.W. Li

Ha Giang Prov., Quan Ba Distr., Tung Vai Commune, Thang Village, around point 23.05349°N 104.86446°E, steep rocky slopes of river valley composed with eroded limestone mixed with sandstone at elevation 1000–1100 m a.s.l. Terrestrial herb in open grassy place along trail. Flowers pink to light purple. Common weed. 7 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1414 (HN, LE01061108, LE01067006). Det.: Chen Yaping 30.11.2019.

FLORA OF VIETNAM
Lamiaceae
Isodon lophanthoides var. graciliflorus (Benth.) H. Hara

Ha Giang Prov., Quan Ba Distr., Tung Vai Commune, Thang Village, around point 23.05349°N 104.86446°E, steep rocky slopes of river valley composed with eroded limestone mixed with sandstone at elevation 1000–1100 m a.s.l. Terrestrial herb in open grassy place along trail. Flowers white. Common weed. 7 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1413 (HN, LE01061109, LE01067007). Det.: Chen Yaping 30.11.2019.

FLORA OF VIETNAM
Begoniaceae
Begonia palmata D. Don

Ha Giang Prov., Quan Ba Distr., Tung Vai Commune, Thang Village, around point 23.05349°N 104.86446°E, steep rocky slopes of river valley composed with eroded limestone mixed with sandstone at elevation 1000–1100 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest along river. Lithophytic herb on shady mossy river cliffs slope. Leaves dark uniform green above, pale light green below, sometime with pink tint along nerves. Locally common. Fruits pink-purple. 7 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1412 (HN, LE01061110, LE01067008).

FLORA OF VIETNAM
Polypodiaceae s.l. (Athyriaceae)
Diplazium pullingeri (Baker) J. Sm.?

Ha Giang Prov., Quan Ba Distr., Tung Vai Commune, Thang Village, around point 23.05349°N 104.86446°E, steep rocky slopes of river valley composed with eroded limestone mixed with sandstone at elevation 1000–1100 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest along river. Lithophytic fern on wet mossy stream rocks. Common. 7 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1411a (HN, LE01061107, LE01067001).

FLORA OF VIETNAM
Polypodiaceae s.l. (Thelypteridaceae)
Cyclosorus ciliatus (Wall. ex Benth.) Panigrahi

Ha Giang Prov., Quan Ba Distr., Tung Vai Commune, Thang Village, around point 23.05349°N 104.86446°E, steep rocky slopes of river valley composed with eroded limestone mixed with sandstone at elevation 1000–1100 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest along river. Lithophytic fern on wet mossy stream rocks. Very common. 7 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1411 (HN, LE01061111).

FLORA OF VIETNAM
Orchidaceae
Bulbophyllum tipula Aver.

Ha Giang Prov., Quan Ba Distr., Tung Vai Commune, Thang Village, around point 23.05349°N 104.86446°E, steep rocky slopes of river valley composed with eroded limestone mixed with sandstone at elevation 1000–1100 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest along river. Epiphyte on mossy tree under river. Occasional. 7 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1410.4 (HN, LE).

Herbarium prepared in 25 April 2020. Sepals yellow, densely speckled with purple brown, petals yellowish, lip bright yellow. L. Averyanov, VR 1410.4.