Herbarium LE - Specimens

Orchidaceae

Grosourdya appendiculata

Kon Tum Province, obtained from local collectors,

10 May 2024, Nguyen Van Canh, AL3127.

Orchidaceae

Pholidota imbricata Lindl.

Dak Lak Province, Lak District, around Lieng Bok Sak Waterfall at elevation about 400 m a.s.l. Dry evergreen broad-leaved forest along rocky stream on granite. Epiphyte and lithophyte along rocky stream. Occasional.

11 May 2024, L. Averyanov, Nguyen Van Canh, T. Maisak, AL3146.

Orchidaceae

Dendrobium crumenatum Sw.

Dak Lak Province, Lak District, around Lieng Bok Sak Waterfall at elevation about 400 m a.s.l. Dry evergreen broad-leaved forest along rocky stream on granite. Epiphyte along rocky stream. Occasional.

11 May 2024, L. Averyanov, Nguyen Van Canh, T. Maisak, AL3148.

Orchidaceae

Coelogyne viscosa Rchb.f.

Dak Lak Province, Lak District, around Lieng Bok Sak Waterfall at elevation about 400 m a.s.l. Dry evergreen broad-leaved forest along rocky stream on granite. Epiphyte and lithophyte along rocky stream. Occasional.

11 May 2024, L. Averyanov, Nguyen Van Canh, T. Maisak, AL3147.

Orchidaceae

Acampe rigida (Sm.) P.F.Hunt

Bac Kan Province, Ba Be District, Cao Thuong Community, Ba Be National Park. Old secondary evergreen broad-leaved forest and scrub on very steep rocky slope composed by white crystalline marble-like highly eroded limestone above tall cliff around point 22º27’36’’N 105º39’18’E at elevation of about 300 m a.s.l. Lithophytic undershrub to 1.5 m tall on rather open mossy rocky slope. Not rare.

25 April 2024, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, T. Maisak, AL2906.

Orchidaceae

Cleisostoma williamsonii (Rchb.f.) Garay

Bac Kan Province, Ba Be District, Cao Thuong Community, Ba Be National Park. Old secondary evergreen broad-leaved forest and scrub on very steep rocky slope composed by white crystalline marble-like highly eroded limestone above tall cliff around point 22º27’36’’N 105º39’18’E at elevation of about 300 m a.s.l. Epiphyte on rather open rocky slope. Flowers light pink, lip purple. Not common.

25 April 2024, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, T. Maisak, AL2883.

Orchidaceae

Thrixspermum sp.

Ninh Thuan Province, Nui Chua Mountain, Nui Chua National Park, obtained from local collectors in 2024.

10 May 2024, Nguyen Van Canh garden, AL3134.

Orchidaceae

Vanda sp.?

Bac Kan Province, Ba Be District, Cao Thuong Community, Ba Be National Park. Primary and old secondary evergreen broad-leaved forest on very steep rocky slopes composed by white crystalline marble-like highly eroded limestone around point 22º27’20’’N 105º36’06’E at elevation of about 750 m a.s.l. Epiphyte on tall trees along ridge edge above tall cliff. Occasional.

23 April 2024, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, T. Maisak, AL2855.

Orchidaceae

Corymborkis veratrifolia (Reinw.) Blume

Bac Kan Province, Ba Be District, Cao Thuong Community, Ba Be National Park. Primary and old secondary evergreen broad-leaved forest on very steep rocky slopes composed by white crystalline marble-like highly eroded limestone around point 22º27’20’’N 105º36’06’E at elevation of about 750 m a.s.l. Terrestrial herb to 1.5 m tall in shady, humid rocky place. Not common.

23 April 2024, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, T. Maisak, AL2856.

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.

Orchidaceae

Dendrobium namdongense Aver. & C.H.Nguyen, sp. nov.

Isotype

Orchidaceae

Calanthe argenteo-striata C.Z.Tang & S.J.Cheng

Bac Kan Province, Ba Be District, Cao Thuong Community, Ba Be National Park. Old secondary evergreen broad-leaved forest and scrub on very steep rocky slope composed by white crystalline marble-like highly eroded limestone above tall cliff around point 22º27’36’’N 105º39’18’E at elevation of about 300 m a.s.l. Terrestrial and lithophytic herb on shady rocky slope. Flowers white, later pale yellow. Not rare.

25 April 2024, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, T. Maisak, AL2885.

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

Calanthe sylvatica (Thouars) Lindl.

Bac Kan Province, Ba Be District, Cao Thuong Community, Ba Be National Park. Old secondary evergreen broad-leaved forest and scrub on very steep rocky slope composed by white crystalline marble-like highly eroded limestone above tall cliff around point 22º27’36’’N 105º39’18’E at elevation of about 300 m a.s.l. Terrestrial and lithophytic herb on shady rocky slope. Not common.

25 April 2024, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, T. Maisak, AL2886.

Orchidaceae

Malaxis acuminata D.Don

Bac Kan Province, Ba Be District, Cao Thuong Community, Ba Be National Park. Primary and old secondary evergreen broad-leaved forest on very steep rocky slopes composed by white crystalline marble-like highly eroded limestone around point 22º27’20’’N 105º36’06’E at elevation of about 750 m a.s.l. Terrestrial and lithophytic herb in shady place on very steep rocky slope. Leaves dull purple. Flowers light green. Not common.

23 April 2024, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, T. Maisak, AL2852.

Orchidaceae

Cleisostoma williamsonii (Rchb.f.) Garay

Bac Kan Province, Ba Be District, Cao Thuong Community, Ba Be National Park. Old secondary evergreen broad-leaved forest and scrub on very steep rocky slope composed by white crystalline marble-like highly eroded limestone above tall cliff around point 22º27’36’’N 105º39’18’E at elevation of about 300 m a.s.l. Epiphyte on rather open rocky slope. Flowers light pink, lip purple. Not common.25 April 2024, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, T. Maisak, AL2883.

Orchidaceae

Pelatantheria insectifera (Rchb.f.) Ridl.

Bac Kan Province, Ba Be District, Cao Thuong Community, Ba Be National Park. Old secondary evergreen broad-leaved forest and scrub on very steep rocky slope composed by white crystalline marble-like highly eroded limestone above tall cliff around point 22º27’36’’N 105º39’18’E at elevation of about 300 m a.s.l. Epiphyte on tall tree and lithophyte on rather open mossy rocky slope. Not common.

25 April 2024, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, T. Maisak, AL2884.

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.

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.

Orchidaceae

Thelasis pygmaea (Griff.) Lindl.

Bac Kan Province, Ba Be District, Cao Thuong Community, Ba Be National Park. Dry secondary evergreen broad-leaved forest on steep rocky slope composed by white crystalline marble-like highly eroded limestone around point 22º27’42’’N 105º34’41’E at elevation of 700–800 m a.s.l. Clustering epiphyte on tall trees. Not rare.

27 April 2024, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, T. Maisak, AL2930.

Orchidaceae

Tropidia angulosa (Lindl.) Blume

Bac Kan Province, Ba Be District, Cao Thuong Community, Ba Be National Park. Old secondary evergreen broad-leaved forest and scrub on very steep rocky slope composed by white crystalline marble-like highly eroded limestone above tall cliff around point 22º27’36’’N 105º39’18’E at elevation of about 300 m a.s.l. Terrestrial herb in shady valley between limestone hills. Not common.

25 April 2024, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, T. Maisak, AL2911.

Orchidaceae

Vandopsis gigantea Pfitzer

Bac Kan Province, Ba Be District, Cao Thuong Community, Ba Be National Park. Dry secondary evergreen broad-leaved forest on steep rocky slope composed by white crystalline marble-like highly eroded limestone around point 22º27’42’’N 105º34’41’E at elevation of 700–800 m a.s.l. Lithophyte and occasionally epiphyte on tall trees along rocky ridge edge. Not common.

27 April 2024, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, T. Maisak, AL2940.

Orchidaceae

Hygrochilus parishii Pfitzer

Bac Kan Province, Ba Be District, Cao Thuong Community, Ba Be National Park. Dry secondary evergreen broad-leaved forest on steep rocky slope composed by white crystalline marble-like highly eroded limestone around point 22º27’42’’N 105º34’41’E at elevation of 700–800 m a.s.l. Epiphyte on tall tree along rocky ridge edge. Not common.

27 April 2024, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, T. Maisak, AL2939.

Orchidaceae

Renanthera citrina Aver.

Bac Kan Province, Ba Be District, Cao Thuong Community, Ba Be National Park. Dry secondary evergreen broad-leaved forest on steep rocky slope composed by white crystalline marble-like highly eroded limestone around point 22º27’42’’N 105º34’41’E at elevation of 700–800 m a.s.l. Epiphyte on tall tree along rocky ridge edge. Very rare.

27 April 2024, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, T. Maisak, AL2938.

Orchidaceae

Pholidota yunnanensis Rolfe

Bac Kan Province, Ba Be District, Cao Thuong Community, Ba Be National Park. Dry secondary evergreen broad-leaved forest on steep rocky slope composed by white crystalline marble-like highly eroded limestone around point 22º27’42’’N 105º34’41’E at elevation of 700–800 m a.s.l. Lithophyte on shady cliff along rocky ridge edge. Not common.

27 April 2024, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, T. Maisak, AL2941.

Orchidaceae

Calanthe alismifolia Lindl.

Bac Kan Province, Ba Be District, Cao Thuong Community, Ba Be National Park. Dry secondary evergreen broad-leaved forest on steep rocky slope composed by white crystalline marble-like highly eroded limestone around point 22º27’42’’N 105º34’41’E at elevation of 700–800 m a.s.l. Terrestrial herb in shady depression between limestone hills. Not common.

27 April 2024, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, T. Maisak, AL2949.

Orchidaceae

Dendrobium gratiosissimum?

Bac Kan Province, Ba Be District, Ba Be National Park. Dry evergreen broad-leaved secondary forest on cliffs composed by crystalline marble-like highly eroded limestone near lake shore around point 22º25’46’’N 105º36’58’E at elev. of about 170 m a.s.l. Epiphytic herb. Not common.

22 April 2024, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, T. Maisak, AL2836.

Orchidaceae

Didymoplexis pallens Griff.?

Bac Kan Province, Ba Be District, Cao Thuong Community, Ba Be National Park. Primary and old secondary evergreen broad-leaved forest on very steep rocky slopes composed by white crystalline marble-like highly eroded limestone around point 22º27’20’’N 105º36’06’E at elevation of about 750 m a.s.l. Terrestrial achlorophyllous herb in shady humid place among large rocks on steep slope. Very rare.

23 April 2024, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, T. Maisak, AL2841.

Orchidaceae

Calanthe argenteo-striata C.Z.Tang & S.J.Cheng

Bac Kan Province, Ba Be District, Cao Thuong Community, Ba Be National Park. Primary and old secondary evergreen broad-leaved forest on very steep rocky slopes composed by white crystalline marble-like highly eroded limestone around point 22º27’20’’N 105º36’06’E at elevation of about 750 m a.s.l. Lithophytic and occasionally terrestrial herb on shady rocks along ridge edge above tall cliff. Flowers white, later pale yellow. Leaves with contrast silvery stripes. Locally very common.

23 April 2024, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, T. Maisak, AL2847.

Orchidaceae

Eria rhomboidalis Tang & F.T.Wang

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. Primary and old secondary broad-leaved evergreen humid forest on very steep rocky slopes on solid, marble-like highly eroded limestone at elevation 900–1200 m a.s.l. on steep rocky slope.

Creeping lithophyte and epiphyte on rocky mossy mountain top. Occasional.

04 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL3040.

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.

Orchidaceae

Bulbophyllum annamense (Garay) Sieder & Kiehn

(Det. Truong Ba Vuong 20 June 2024|)

Plant collected in Lam Dong Province, Di Linh District area. Cultivated in Loc Bao Sang private garden, Lam Dong Province, Di Linh District.

Photo prepared in 12 May 2024, L. Averyanov, Nguyen Van Canh, T. Maisak, AL3156 Photo only).

Orchidaceae

Pomatocalpa tonkinense (Gagnep.) Seidenf.

Plant obtained from local collector in the north of VN. Cultivated in Loc Bao Sang private garden, Lam Dong Province, Di Linh District.

Photo prepared in 12 May 2024, L. Averyanov, Nguyen Van Canh, T. Maisak, AL3157.

Orchidaceae

Dendrobium chryseum Rolfe

Plant obtained from local collectors from northern Vietnam in 2023 and cultivated in Ly Ngoc Quan private garden, Lam Dong Province, Lam Ha District, Phi To Village. Flowers bright yellow.

Photo and herbarium prepared in 11 May 2024, L. Averyanov, Nguyen Van Canh, T. Maisak, AL3150.

Orchidaceae

Liparis mannii Rchb.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. Primary and old secondary broad-leaved evergreen humid forest on very steep rocky slopes on solid, marble-like highly eroded limestone at elevation 900–1200 m a.s.l. on steep rocky slope.

Clustering epiphyte and lithophyte on mossy rocky mountain top. Not rare.

04 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL3070.

Orchidaceae

Paphiopedilum malipoense S.C.Chen & Z.H.Tsi

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. Primary and old secondary broad-leaved evergreen humid forest on very steep rocky slopes on solid, marble-like highly eroded limestone at elevation 900–1200 m a.s.l. on steep rocky slope.

Terrestrial and lithophytic rosulate herb on shady rocky steep slope near mountain top. Leaves dark / light green tessellated above, finely purple spotted below. Not common.

04 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL3071.

Orchidaceae

Cymbidium eburneum 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. Primary and old secondary broad-leaved evergreen humid forest on very steep rocky slopes on solid, marble-like highly eroded limestone at elevation 900–1200 m a.s.l. on steep rocky slope.

Clustering epiphyte and lithophyte on mossy rocky mountain top. Not common.

04 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL3072.

Orchidaceae

Dendrobium hancockii Rolfe

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. Primary and old secondary broad-leaved evergreen humid forest on very steep rocky slopes on solid, marble-like highly eroded limestone at elevation 900–1200 m a.s.l. on steep rocky slope.

Clustering epiphyte and lithophyte on rocky mossy mountain top. Not common.

04 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL3054.

Orchidaceae

Cleisostoma williamsonii (Rchb.f.) Garay

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. Primary and old secondary broad-leaved evergreen humid forest on very steep rocky slopes on solid, marble-like highly eroded limestone at elevation 900–1200 m a.s.l. on steep rocky slope.

Clustering epiphyte on mossy trees on rocky mossy mountain top. Not rare.

04 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL3057.

Orchidaceae

Liparis mannii Rchb.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. Primary and old secondary broad-leaved evergreen humid forest on very steep rocky slopes on solid, marble-like highly eroded limestone at elevation 900–1200 m a.s.l. on steep rocky slope.

Clustering epiphyte and lithophyte on rocky mossy mountain top. Not rare.

04 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL3058.

Orchidaceae

Dendrobium chryseum Rolfe

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. Primary and old secondary broad-leaved evergreen humid forest on very steep rocky slopes on solid, marble-like highly eroded limestone at elevation 900–1200 m a.s.l. on steep rocky slope.

Clustering lithophyte and epiphyte on rocky mossy mountain top. Common.

04 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL3042.

Orchidaceae

Dendrobium thyrsiflorum B.S.Williams

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. Primary and old secondary broad-leaved evergreen humid forest on very steep rocky slopes on solid, marble-like highly eroded limestone at elevation 900–1200 m a.s.l. on steep rocky slope.

Clustering epiphyte on mossy trees near mountain top. Tepals pure white, lip yellow. Not rare.

04 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL3073.

Orchidaceae

Cleisostoma duplicilobum (J.J.Sm.) Garay?

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. Primary and old secondary broad-leaved evergreen humid forest on very steep rocky slopes on solid, marble-like highly eroded limestone at elevation 900–1200 m a.s.l. on steep rocky slope.

Epiphyte on mossy trees on rocky mossy mountain top. Flower buds yellowish. Common.

04 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL3053.

Orchidaceae

Flickingeria angustifolia (Blume) A.D.Hawkes

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. Primary and old secondary broad-leaved evergreen humid forest on very steep rocky slopes on solid, marble-like highly eroded limestone at elevation 900–1200 m a.s.l. on steep rocky slope.

Clustering lithophyte and epiphyte on rocky mossy mountain top. Common.

04 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL3043.

Orchidaceae

Flickingeria fimbriata (Blume) A.D.Hawkes?

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. Primary and old secondary broad-leaved evergreen humid forest on very steep rocky slopes on solid, marble-like highly eroded limestone at elevation 900–1200 m a.s.l. on steep rocky slope.

Creeping epiphyte and lithophyte on rocky mossy mountain top. Not rare.

04 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL3051.

Orchidaceae

Ceratostylis himalaica Hook.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. Primary and old secondary broad-leaved evergreen humid forest on very steep rocky slopes on solid, marble-like highly eroded limestone at elevation 900–1200 m a.s.l. on steep rocky slope.

Clustering epiphyte on mossy trees on rocky mossy mountain top. Not rare.

04 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL3074.

Orchidaceae

Dendrobium sp. nov.?

Wild collected plant in Dalat private garden of Phan Trong Quyet originated from Lam Dong Province area. Epiphyte, flowers pure white.

Photo prepared in 13 May 2024, L. Averyanov, Nguyen Van Canh, T. Maisak, AL3191.

Orchidaceae

Coelogyne fimbriata Lindl. var. minuscula

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. Primary and old secondary broad-leaved evergreen humid forest on very steep rocky slopes on solid, marble-like highly eroded limestone at elevation 900–1200 m a.s.l. on steep rocky slope.

Creeping epiphyte and lithophyte on rocky mossy mountain top. Not rare.

04 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL3059.

Orchidaceae

Apostasia wallichii R.Br.

Dak Lak Province, M’Drak District, Chu Mu Mountain, 800-900 m a.s.l., erect terrestrial herb to 1 m tall, flowers light yellow, very common.

March 2024, Nguyen Van Canh, AL3111.

Orchidaceae

Cleisostoma striatum (Rchb.f.) Garay

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. Primary and old secondary broad-leaved evergreen humid forest on very steep rocky slopes on solid, marble-like highly eroded limestone at elevation 900–1200 m a.s.l. on steep rocky slope.

Epiphyte on rocky mossy mountain top. Common.

04 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL3046.