Гербарий БИН РАН - Образцы

Lemnaceae

Spirodela polyrhiza (L.) Schleid

Thanh Hoa Province, Quan Hoa District, Nam Dong Community, Ban Lo Village, Ke Stream, the territory of Nam Dong National Reserve around point 22º25’46’’N 105º36’58’E. Old secondary broad-leaved evergreen humid forest on wet very steep alluvial slopes based on solid, marble-like highly eroded limestone at elevation about 600 m a.s.l. Floating herb in water of rice fields. Locally very common.

04 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL3013.

Zingiberaceae

Amomum sp.?

Thanh Hoa Province, Quan Hoa District, Nam Dong Community, Ban Lo Village, Ke Stream, the territory of Nam Dong National Reserve around point 22º25’46’’N 105º36’58’E. Old secondary broad-leaved evergreen humid forest on wet very steep alluvial slopes based on solid, marble-like highly eroded limestone at elevation of 600–800 m a.s.l. Erect terrestrial herb to 1.2 m tall. Flowers white. Common, but rare with flowers.

04 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL3012.

Marattiaceae

Archangiopteris tonkinensis (Hayata) Ching⁣

Thanh Hoa Province, Quan Hoa District, Nam Dong Community, Ban Lo Village, Ke Stream, the territory of Nam Dong National Reserve around point 22º25’46’’N 105º36’58’E.

Old secondary broad-leaved evergreen humid forest on wet very steep alluvial slopes based on solid, marble-like highly eroded limestone at elevation of 600–800 m a.s.l.

Terrestrial fern with fronds to 0.6 m long on very steep wet shady alluvial slope along trail. Locally common.

04 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL3011.

Orchidaceae

Oberonia ensiformis (Sm.) Lindl.

Thanh Hoa Province, Quan Hoa District, Nam Dong Community, Ban Lo Village, Ke Stream, the territory of Nam Dong National Reserve around point 22º25’46’’N 105º36’58’E. Old secondary broad-leaved evergreen humid forest on wet very steep alluvial slopes based on solid, marble-like highly eroded limestone at elevation of 600–800 m a.s.l. Lithophytic herb on shady vertical cliff near hill top. Not common.

04 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL3010.

Euphorbiaceae

Croton sp.

Thanh Hoa Province, Quan Hoa District, Nam Dong Community, Ban Lo Village, Ke Stream, the territory of Nam Dong National Reserve around point 22º25’46’’N 105º36’58’E. Old secondary broad-leaved evergreen humid forest on wet very steep alluvial slopes based on solid, marble-like highly eroded limestone at elevation of 600–800 m a.s.l. Treelet or shrub to 3 m tall in shady rocky places. Flowers yellow. Very common.

04 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL3009.

Opiliaceae

Melientha suavis Pierre

Thanh Hoa Province, Quan Hoa District, Nam Dong Community, Ban Lo Village, Ke Stream, the territory of Nam Dong National Reserve around point 22º25’46’’N 105º36’58’E. Old secondary broad-leaved evergreen humid forest on wet very steep alluvial slopes based on solid, marble-like highly eroded limestone at elevation of 600–800 m a.s.l. Treelet about 2 m tall in shady rocky places. Flowers light yellow. Common.

04 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL3008.

Convallariaceae

Ophiopogon latifolius L.Rodr.

Thanh Hoa Province, Quan Hoa District, Nam Dong Community, Ban Lo Village, Ke Stream, the territory of Nam Dong National Reserve around point 22º25’46’’N 105º36’58’E. Old secondary broad-leaved evergreen humid forest on wet very steep alluvial slopes based on solid, marble-like highly eroded limestone at elevation of 600–800 m a.s.l. Clustering terrestrial and lithophytic herb with linear leaves on rocky slope near mountain top. Flowers white. Common near and on top of hill.

04 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL3007.

Orchidaceae

Liparis viridiflora Lindl.

Thanh Hoa Province, Quan Hoa District, Nam Dong Community, Ban Lo Village, Ke Stream, the territory of Nam Dong National Reserve around point 22º25’46’’N 105º36’58’E. Old secondary broad-leaved evergreen humid forest on wet very steep alluvial slopes based on solid, marble-like highly eroded limestone at elevation of 600–800 m a.s.l. Clustering lithophyte on mossy rocky mountain top. Common.

04 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL3006.

Euphorbiaceae

Trigonostemon philippinensis Stapf

Thanh Hoa Province, Quan Hoa District, Nam Dong Community, Ban Lo Village, Ke Stream, the territory of Nam Dong National Reserve around point 22º25’46’’N 105º36’58’E. Old secondary broad-leaved evergreen humid forest on wet very steep alluvial slopes based on solid, marble-like highly eroded limestone at elevation of 600–800 m a.s.l. Tree 4-6 m tall and to 30 cm in diameter near mountain top. Flowers yellow to yellow orange. Occasional.

04 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL3005.

Convallariaceae

Peliosanthes sp.

Thanh Hoa Province, Quan Hoa District, Nam Dong Community, Ban Lo Village, Ke Stream, the territory of Nam Dong National Reserve around point 22º25’46’’N 105º36’58’E. Old secondary broad-leaved evergreen humid forest on wet very steep alluvial slopes based on solid, marble-like highly eroded limestone at elevation of 600–800 m a.s.l. Terrestrial herb in shady rocky places. Not rare.

04 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL3004.

Myrsinaceae

Ardisia sp.

Thanh Hoa Province, Quan Hoa District, Nam Dong Community, Ban Lo Village, Ke Stream, the territory of Nam Dong National Reserve around point 22º25’46’’N 105º36’58’E. Old secondary broad-leaved evergreen humid forest on wet very steep alluvial slopes based on solid, marble-like highly eroded limestone at elevation of 600–800 m a.s.l. Treelet 1.5 m tall in shady places. Flowers pink purple. Not common.

04 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL3003.

Orchidaceae

Cleisostoma striatum (Rchb.f.) N.E.Br.

Thanh Hoa Province, Quan Hoa District, Nam Dong Community, Ban Lo Village, Ke Stream, the territory of Nam Dong National Reserve around point 22º25’46’’N 105º36’58’E. Old secondary broad-leaved evergreen humid forest on wet very steep alluvial slopes based on solid, marble-like highly eroded limestone at elevation of 600–800 m a.s.l. Epiphyte on tall trees on rocky steep slope near hill top. Common.

04 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL3002.

Zingiberaceae

Siliquamomum tonkinense Baill.

Thanh Hoa Province, Quan Hoa District, Nam Dong Community, Ban Lo Village, Ke Stream, the territory of Nam Dong National Reserve around point 22º25’46’’N 105º36’58’E. Old secondary broad-leaved evergreen humid forest on wet very steep alluvial slopes based on solid, marble-like highly eroded limestone at elevation of 600–800 m a.s.l. Erect terrestrial herb to 1.8 m tall on wet alluvial soil in shady valley between limestone hills. Occasional.

04 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL3001.

Orchidaceae

Dendrobium sulcatum Lindl.

Thanh Hoa Province, Quan Hoa District, Nam Dong Community, Ban Lo Village, Ke Stream, the territory of Nam Dong National Reserve around point 22º25’46’’N 105º36’58’E. Old secondary broad-leaved evergreen humid forest on wet very steep alluvial slopes based on solid, marble-like highly eroded limestone at elevation of 600–800 m a.s.l. Epiphyte on tall trees on shady slope. Not common.

04 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL3000.

Taccaceae

Tacca chantrieri Andre

Thanh Hoa Province, Quan Hoa District, Nam Dong Community, Ban Lo Village, Ke Stream, the territory of Nam Dong National Reserve around point 22º25’46’’N 105º36’58’E. Old secondary broad-leaved evergreen humid forest on wet very steep alluvial slopes based on solid, marble-like highly eroded limestone at elevation of 600–800 m a.s.l. Terrestrial herb in shady rocky place. Flowers dark dirty violet. Not rare.

04 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL2999.

Verbenaceae

Gomphostemma leptodon Dunn

Thanh Hoa Province, Quan Hoa District, Nam Dong Community, Ban Lo Village, Ke Stream, the territory of Nam Dong National Reserve around point 22º25’46’’N 105º36’58’E. Old secondary broad-leaved evergreen humid forest on wet very steep alluvial slopes based on solid, marble-like highly eroded limestone at elevation of 600–800 m a.s.l. Undershrub to 2 m tall along rocky stream canyon. Flowers white. Not common.

04 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL2998.

Vitaceae

Tetrastigma sp.

Thanh Hoa Province, Quan Hoa District, Nam Dong Community, Ban Lo Village, Ke Stream, the territory of Nam Dong National Reserve around point 22º25’46’’N 105º36’58’E. Old secondary broad-leaved evergreen humid forest on wet very steep alluvial slopes based on solid, marble-like highly eroded limestone at elevation of 600–800 m a.s.l. Woody vine about 10 m long along rocky stream canyon. Not ripe fruits reddish. Occasional.

04 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL2997.

Polypodiaceae s.l.

Diplazium sp.

Thanh Hoa Province, Quan Hoa District, Nam Dong Community, Ban Lo Village, Ke Stream, the territory of Nam Dong National Reserve around point 22º25’46’’N 105º36’58’E. Old secondary broad-leaved evergreen humid forest on wet very steep alluvial slopes based on solid, marble-like highly eroded limestone at elevation of 600–800 m a.s.l. Terrestrial and lithophytic fern with fronds to 2 m long along rocky stream canyon. Common.

04 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL2996.

Orchidaceae

Corymborkis veratrifolia (Reinw.) Blume

Thanh Hoa Province, Quan Hoa District, Nam Dong Community, Ban Lo Village, Ke Stream, the territory of Nam Dong National Reserve around point 22º25’46’’N 105º36’58’E. Old secondary broad-leaved evergreen humid forest on wet very steep alluvial slopes based on solid, marble-like highly eroded limestone at elevation of 600–800 m a.s.l. Erect terrestrial and lithophytic herb to 2 m tall on steep rocky slope. Flowers white. Not rare.

04 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL2995.

Begoniaceae

Begonia pseudodryadis C.Y.Wu

Thanh Hoa Province, Quan Hoa District, Nam Dong Community, Ban Lo Village, Ke Stream, the territory of Nam Dong National Reserve around point 22º25’46’’N 105º36’58’E. Old secondary broad-leaved evergreen humid forest on wet very steep alluvial slopes based on solid, marble-like highly eroded limestone at elevation of 600–800 m a.s.l. Lithophytic herb on shady vertical cliff. Leaves with white spots. Locally common.

04 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL2994.

Convallariaceae

Disporum cantoniense (Lour.) Merr.

Thanh Hoa Province, Quan Hoa District, Nam Dong Community, Ban Lo Village, Ke Stream, the territory of Nam Dong National Reserve around point 22º25’46’’N 105º36’58’E. Old secondary broad-leaved evergreen humid forest on wet very steep alluvial slopes based on solid, marble-like highly eroded limestone at elevation of 600–800 m a.s.l. Erect terrestrial or lithophytic herb to 1 m tall in steep rocky slope near hill top. Flowers dark dirty purple. Not common.

04 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL2993.

Selaginellaceae

Selaginella sp.

Thanh Hoa Province, Quan Hoa District, Nam Dong Community, Ban Lo Village, Ke Stream, the territory of Nam Dong National Reserve around point 22º25’46’’N 105º36’58’E. Old secondary broad-leaved evergreen humid forest on wet very steep alluvial slopes based on solid, marble-like highly eroded limestone at elevation of 600–800 m a.s.l. Erect terrestrial herb to 0.4 m tall in wet shady place between limestone hills on rich alluvial soil. Common.

04 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL2992.

Orchidaceae

Epipogium roseum Lindl.

Thanh Hoa Province, Quan Hoa District, Nam Dong Community, Ban Lo Village, Ke Stream, the territory of Nam Dong National Reserve around point 22º25’46’’N 105º36’58’E. Old secondary broad-leaved evergreen humid forest on wet very steep alluvial slopes based on solid, marble-like highly eroded limestone at elevation of 600–800 m a.s.l. Terrestrial achlorophyllous, almost white tuberiferous herb to 0.3 m tall in wet shady place between limestone hills on rich alluvial soil. Occasional.

04 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL2991.

Orchidaceae

Oberonia cavaleriei Finet

Thanh Hoa Province, Quan Hoa District, Nam Dong Community, Ban Lo Village, Ke Stream, the territory of Nam Dong National Reserve around point 22º25’46’’N 105º36’58’E. Old secondary broad-leaved evergreen humid forest on wet very steep alluvial slopes based on solid, marble-like highly eroded limestone at elevation of 600–800 m a.s.l. Lithophytic herb on shady vertical cliff near hill top. Locally common.

04 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL2990.

Trilliaceae

Paris polyphylla Sm.?

Thanh Hoa Province, Quan Hoa District, Nam Dong Community, Ban Lo Village, Ke Stream, the territory of Nam Dong National Reserve around point 22º25’46’’N 105º36’58’E. Old secondary broad-leaved evergreen humid forest on wet very steep alluvial slopes based on solid, marble-like highly eroded limestone at elevation of 600–800 m a.s.l. Terrestrial herb to 1.5 tall with whorl of 6 leaves. Tepals grassy green. Locally common.

04 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL2989.

Cycadaceae

Cycas hoabinhensis L.K.Phan & T.H.Nguyen

Thanh Hoa Province, Quan Hoa District, Nam Dong Community, Ban Lo Village, Ke Stream, the territory of Nam Dong National Reserve around point 22º25’46’’N 105º36’58’E. Old secondary broad-leaved evergreen humid forest on wet very steep alluvial slopes based on solid, marble-like highly eroded limestone at elevation of 600–800 m a.s.l. Terrestrial and lithophytic palm-like tree with stem to 1 m tall and to 25 cm in diameter. Leaves to 2 m long. On rocky places and cliffs near and on rocky hill top. Locally common.

04 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL2988.

Rubiaceae

Ophiorrhiza sp.

Thanh Hoa Province, Quan Hoa District, Nam Dong Community, Ban Lo Village, Ke Stream, the territory of Nam Dong National Reserve around point 22º25’46’’N 105º36’58’E. Old secondary broad-leaved evergreen humid forest on wet very steep alluvial slopes based on solid, marble-like highly eroded limestone at elevation of 600–800 m a.s.l. Terrestrial and lithophytic herb 0.7–0.8 m tall along rocky stream. Leaves above dark green, below dull purple or pale green. Flowers white. Not common.

04 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL2987.

Euphorbiaceae

Excoecaria sp.⁣

Thanh Hoa Province, Quan Hoa District, Nam Dong Community, Ban Lo Village, Ke Stream, the territory of Nam Dong National Reserve around point 22º25’46’’N 105º36’58’E. Old secondary broad-leaved evergreen humid forest on wet very steep alluvial slopes based on solid, marble-like highly eroded limestone at elevation of 600–800 m a.s.l. Shrub about 2 m tall on mossy rocky hill top. Flowers yellow. Not common.

04 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL2986.

Asteraceae

Gynura procumbens Merr.?

Thanh Hoa Province, Quan Hoa District, Nam Dong Community, Ban Lo Village, Ke Stream, the territory of Nam Dong National Reserve around point 22º25’46’’N 105º36’58’E. Old secondary broad-leaved evergreen humid forest on wet very steep alluvial slopes based on solid, marble-like highly eroded limestone at elevation of 600–800 m a.s.l. Erect or climbing hithophytic herb to 1 m tall on open mossy rocks on hill top. Flowers yellow to orange. Occasional.

04 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL2985.

Polypodiaceae s.l. (Tectariaceae)

Tectaria sp.

Thanh Hoa Province, Quan Hoa District, Nam Dong Community, Ban Lo Village, Ke Stream, the territory of Nam Dong National Reserve around point 22º25’46’’N 105º36’58’E. Old secondary broad-leaved evergreen humid forest on wet very steep alluvial slopes based on solid, marble-like highly eroded limestone at elevation of 600–800 m a.s.l. Terrestrial and lithophytic fern with fronds to 1.5 m long. Common.

04 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL2984.

Orchiodaceae

Calanthe odora Griff.

Dak Lak Province, Krong Bong District, Yang Mao.

18 June 2024, Nguyen Phi Tam, AL3254 (photo only).

Orchiodaceae

Corybas himalaicus (King & Pantl.) Schltr.

Lao Cai Province, Bat Xat District, Y Ty commune, evergreen broad-leaved forest on granite at elevation of about 2000 m a.s.l.

14 June 2024, [Phu Xa Be] Truong Ba Vuong, Nguyen Van Canh, AL3253(photo only).

Orchiodaceae

Corybas annamensis Aver.

Lao Cai Province, Bat Xat District, Y Ty commune, evergreen broad-leaved forest on granite at elevation of about 2000 m a.s.l.

14 June 2024, [Phu Xa Be] Truong Ba Vuong, Nguyen Van Canh, AL3252 (photo only).

Myrsinaceae

Ardisia sp.

Thanh Hoa Province, Quan Hoa District, Nam Dong Community, Ban Lo Village, Ke Stream, the territory of Nam Dong National Reserve around point 22º25’46’’N 105º36’58’E. Old secondary broad-leaved evergreen humid forest on wet very steep alluvial slopes based on solid, marble-like highly eroded limestone at elevation of 600–800 m a.s.l. Treelet 3–4 m tall on rocky steep slope. Flowers pink purple. Occasional.

04 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL2983.

Orchidaceae

Bulbophyllum sp.

Thanh Hoa Province, Quan Hoa District, Nam Dong Community, Ban Lo Village, Ke Stream, the territory of Nam Dong National Reserve around point 22º25’46’’N 105º36’58’E. Old secondary broad-leaved evergreen humid forest on wet very steep alluvial slopes based on solid, marble-like highly eroded limestone at elevation of 600–800 m a.s.l. Creeping epiphyte on tall tree near mountain top. Occasional.

04 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL2982a.

Urticaceae

Elatostema sp.

Thanh Hoa Province, Quan Hoa District, Nam Dong Community, Ban Lo Village, Ke Stream, the territory of Nam Dong National Reserve around point 22º25’46’’N 105º36’58’E. Old secondary broad-leaved evergreen humid forest on wet very steep alluvial slopes based on solid, marble-like highly eroded limestone at elevation of 600–800 m a.s.l. Lithophytic herb to 0.5 m tall on stream rocks. Very common.

04 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL2982.

Amaranthaceae

Cyathula prostrata (L.) Blume⁣

Thanh Hoa Province, Quan Hoa District, Nam Dong Community, Ban Lo Village, Ke Stream, the territory of Nam Dong National Reserve around point 22º25’46’’N 105º36’58’E. Secondary broad-leaved evergreen humid forest with tall bamboo and bananas on very steep alluvial slopes on sandstone mixed with solid, marble-like highly eroded limestone at elevation of 600–800 m a.s.l. Terrestrial herb to 0.5 m tall in wet rocky place along stream. Common.

03 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL2979.

Maranthaceae

Phrynium sp.

Thanh Hoa Province, Quan Hoa District, Nam Dong Community, Ban Lo Village, Ke Stream, the territory of Nam Dong National Reserve around point 22º25’46’’N 105º36’58’E. Secondary broad-leaved evergreen humid forest with tall bamboo and bananas on very steep alluvial slopes on sandstone mixed with solid, marble-like highly eroded limestone at elevation of 600–800 m a.s.l. Erect terrestrial herb to 2 m tall in wet rocky place along stream. Flowers white, floral bracts dark purple. Common.

03 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL2978.

Tiliaceae

Ambroma augusta L.f.

Thanh Hoa Province, Quan Hoa District, Nam Dong Community, Ban Lo Village, Ke Stream, the territory of Nam Dong National Reserve around point 22º25’46’’N 105º36’58’E. Secondary broad-leaved evergreen humid forest with tall bamboo and bananas on very steep alluvial slopes on sandstone mixed with solid, marble-like highly eroded limestone at elevation of 600–800 m a.s.l. Treelet 2.5–3 m tall in open rocky place along stream. Flowers dark purple brown. Occasional.

03 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL2977.

Piperaceae

Zippelia begoniifolia Blume

Thanh Hoa Province, Quan Hoa District, Nam Dong Community, Ban Lo Village, Ke Stream, the territory of Nam Dong National Reserve around point 22º25’46’’N 105º36’58’E. Secondary broad-leaved evergreen humid forest with tall bamboo and bananas on very steep alluvial slopes on sandstone mixed with solid, marble-like highly eroded limestone at elevation of 600–800 m a.s.l. Erect terrestrial herb to 0.5 m tall in shady wet place on alluvial soil between limestone hills. Flowers white. Locally very common.

03 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL2976.

Anthericaceae

Chlorophytum malayense Ridl.

Thanh Hoa Province, Quan Hoa District, Nam Dong Community, Ban Lo Village, Ke Stream, the territory of Nam Dong National Reserve around point 22º25’46’’N 105º36’58’E. Secondary broad-leaved evergreen humid forest with tall bamboo and bananas on very steep alluvial slopes on sandstone mixed with solid, marble-like highly eroded limestone at elevation of 600–800 m a.s.l. Terrestrial rosulate herb in shady wet place on alluvial soil between limestone hills. Flowers white. Occasional.

03 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL2975.

Sterculiaceae

Sterculia nobilis Sm.?

Thanh Hoa Province, Quan Hoa District, Nam Dong Community, Ban Lo Village, Ke Stream, the territory of Nam Dong National Reserve around point 22º25’46’’N 105º36’58’E. Secondary broad-leaved evergreen humid forest with tall bamboo and bananas on very steep alluvial slopes on sandstone mixed with solid, marble-like highly eroded limestone at elevation of 600–800 m a.s.l. Treelet about 1.5 m tall in shady rocky slope along stream. Flowers dull pink. Occasional.

03 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL2974.

Polypodiaceae s.l. (Pteridaceae)

Pteris sp.

Thanh Hoa Province, Quan Hoa District, Nam Dong Community, Ban Lo Village, Ke Stream, the territory of Nam Dong National Reserve around point 22º25’46’’N 105º36’58’E. Secondary broad-leaved evergreen humid forest with tall bamboo and bananas on very steep alluvial slopes on sandstone mixed with solid, marble-like highly eroded limestone at elevation of 600–800 m a.s.l. Terrestrial and lithophytic fern with fronds to 2 m long in open rocky place along stream. Very common.

03 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL2973.

Trilliaceae

Paris polyphylla Sm.?

Thanh Hoa Province, Quan Hoa District, Nam Dong Community, Ban Lo Village, Ke Stream, the territory of Nam Dong National Reserve around point 22º25’46’’N 105º36’58’E. Secondary broad-leaved evergreen humid forest with tall bamboo and bananas on very steep alluvial slopes on sandstone mixed with solid, marble-like highly eroded limestone at elevation of 600–800 m a.s.l. Terrestrial herb to 1.2 m tall on shady rocky slope. Flowers grassy green, anthers yellow. Occasional.

03 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL2972.

Saurauiaceae

Saurauia sp.

Thanh Hoa Province, Quan Hoa District, Nam Dong Community, Ban Lo Village, Ke Stream, the territory of Nam Dong National Reserve around point 22º25’46’’N 105º36’58’E. Secondary broad-leaved evergreen humid forest with tall bamboo and bananas on very steep alluvial slopes on sandstone mixed with solid, marble-like highly eroded limestone at elevation of 600–800 m a.s.l. Treelet 3-4 m tall in open rocky place along stream. Flowers pink. Common.

03 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL2971.

Orchidaceae

Liparis sootenzanensis Fukuy.

Thanh Hoa Province, Quan Hoa District, Nam Dong Community, Ban Lo Village, Ke Stream, the territory of Nam Dong National Reserve around point 22º25’46’’N 105º36’58’E. Secondary broad-leaved evergreen humid forest with tall bamboo and bananas on very steep alluvial slopes on sandstone mixed with solid, marble-like highly eroded limestone at elevation of 600–800 m a.s.l. Terrestrial herb on shady steep rocky slope along stream. Locally common.

03 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL2970.

Solanaceae

Solanum sp.

Thanh Hoa Province, Quan Hoa District, Nam Dong Community, Ban Lo Village, Ke Stream, the territory of Nam Dong National Reserve around point 22º25’46’’N 105º36’58’E. Secondary broad-leaved evergreen humid forest with tall bamboo and bananas on very steep alluvial slopes on sandstone mixed with solid, marble-like highly eroded limestone at elevation of 600–800 m a.s.l. Terrestrial herb or undershrub to 2 m tall in open rocky slope along steam. Flowers white, fruits edible. Locally common. Usual weed.

03 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL2969.

Melastomataceae

Pseudodissochaeta assamica (C.B.Clarke) Nayar?

Thanh Hoa Province, Quan Hoa District, Nam Dong Community, Ban Lo Village, Ke Stream, the territory of Nam Dong National Reserve around point 22º25’46’’N 105º36’58’E. Secondary broad-leaved evergreen humid forest with tall bamboo and bananas on very steep alluvial slopes on sandstone mixed with solid, marble-like highly eroded limestone at elevation of 600–800 m a.s.l. Climbing shrub to 3 m tall with pendulous shoots on shady rocky wet stream slope. Flowers pink purple, anther yellowish white. Occasional.

03 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL2968.

Pentaphragmaceae

Pentaphragma gamopetalum Gagnep.?

Thanh Hoa Province, Quan Hoa District, Nam Dong Community, Ban Lo Village, Ke Stream, the territory of Nam Dong National Reserve around point 22º25’46’’N 105º36’58’E. Secondary broad-leaved evergreen humid forest with tall bamboo and bananas on very steep alluvial slopes on sandstone mixed with solid, marble-like highly eroded limestone at elevation of 600–800 m a.s.l. Terrestrial herb on shady rocky wet slope. Flowers white. Not rare.

03 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL2967.

Aristolochiaceae

Asarum balansae Franch.

Thanh Hoa Province, Quan Hoa District, Nam Dong Community, Ban Lo Village, Ke Stream, the territory of Nam Dong National Reserve around point 22º25’46’’N 105º36’58’E. Secondary broad-leaved evergreen humid forest with tall bamboo and bananas on very steep alluvial slopes on sandstone mixed with solid, marble-like highly eroded limestone at elevation of 600–800 m a.s.l. Terrestrial herb on shady rocky wet slope. Flowers dirty greenish brown. Not rare.

03 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL2966.