Гербарий БИН РАН - Образцы

Convallariaceae

Peliosanthes micrantha?

Dak Lak Province, M’Drak District, Chu Mu Mountain, 700 m a.s.l., evergreen forest, terrestrial herb, not common.

March 2024, Nguyen Van Canh, AL3107.

Flowered in cultivation on 02. February 2026, L. Averyanov, T. Maisak, AL 3107.

Orchidaceae

Tainia hongkongensis Rolfe.

Quang Nam Province, Nong Sơn District, Elephant Species and Habitat Conservation Area. Secondary dry evergreen broad-leaved forest on step mountain slopes composed by sandstone at elevation of about 200 m a.s.l. Terrestrial and lithophytic herb with creeping rhizome on shady rocky steep slope along small rocky river. Locally very common.

04 May 2025, L. Averyanov, N.V. Canh, T. Maisak, AL4165

Flowered in culture on 02 February 2026, L. Averyanov, T. Maisak, AL 4165

Convallariaceae

Tupistra wattii Hook.f.

Bac Kan Province, Ba Be District, 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 22º27’26’’N 105º36’12’E at elev. of 600-800 m a.s.l.

Creeping, ascending and erect terrestrial herb to 0.5 m tall in shady rocky place. Locally very common.

30 October 2023, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, Nguyen Van Ly, T. Maisak, AL2386.

Plants of Dong Chau - Khe Nuoc Trong Nature Reserve (DCKNTNR)

Orchidaceae

Tainia sp.

Quang Binh Province, Le Thuy District, Kim Thuy Municipality. Secondary evergreen broad-leaved forest with bamboo on very steep river slopes composed by shaly limestone at elevation about 100 m a.s.l. around point 17º4’29’’N 106º43’5’’E. Terrestrial creeping herb on shady rocky stream slope. Not common.

22 November 2024, Nguyen Huu Cuong, Phan Thanh Quyet, Duong Van Nam, L. Averyanov, T. Maisak, AL3696. Living plant only.

Flowered in culture on 26 January 2026, L. Averyanov, T. Maisak, AL3696.

Convallariaceae

FLORA OF LAOS

Polypodiaceae s.l.

Belvisia sp.

Houphan Prov., Hem Distr., Nacoc village, Puphadeng mountain, around point 20°09'52.6''N 103°10'19.4''E. Primary and secondary broad-leaved evergreen open dry forest on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 1000-1200 m a.s.l. Epiphyte on old mossy trees on mountain top. Not common.

LA-VN 1445 12 April 2015

Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.

FLORA OF LAOS

Polypodiaceae s.l.

Platycerium sp.

Xiangkhouang Prov., Kham Distr., Huad village, Phou tat Vinh mt., around point 19°32'31.6'N 103°39'40.4'E. Primary and secondary broad-leaved evergreen and semideciduous dry forest on very steep rocky slopes of limestone highly eroded mountains composed by solid marble like limestone at elev. 1200-1400 m a.s.l. Epiphyte on tall tree. Not common.

LA-VN 1022 4 April 2015

Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.

FLORA OF LAOS

Polypodiaceae s.l.

Phymatosorus sp.

Houphan Prov., Hem Distr., Nacoc village, Puphadeng mountain, around point 20°09'52.6''N 103°10'19.4''E. Primary and secondary broad-leaved evergreen open dry forest on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 1000-1200 m a.s.l. Creeping lithophyte on exposed mossy rocks on mountain top. Common.

LA-VN 1430 12 April 2015

Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.

FLORA OF VIETNAM

Polypodiaceae s.l.

Leptochilus sp.?

Cao Bang Prov., Bao Lac Distr., Hong An municipality, Mi Lung village. Primary mixed and coniferous humid evergreen forest (with Podocarpus, Fokienia and Tsuga) on very steep slopes and along rocky ridge composed with solid crystalline highly eroded limestone at elevation about 1400 m a.s.l. around point 22°48’45.9’’N 105°51’10.8’’E. Creeping lithophyte in shady wet place on mountain slope. Common.

20 November 2014 CPC 7554

Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, T.Maisak, L.Osinovetz

FLORA OF LAOS

Polypodiaceae s.l.

Asplenium sp.

Houphan Prov., Hem Distr., Nacoc village, Puphadeng mountain, around point 20°09'52.6''N 103°10'19.4''E. Primary and secondary broad-leaved evergreen open dry forest on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 1000-1200 m a.s.l. Epiphyte on old trees on mountain top. Common.

LA-VN 1426 12 April 2015

Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.

FLORA OF LAOS

Poypodiacea s.l.

Antrophyum sp.

Houphan Prov., Hem Distr., Khon Ngua village, around point 19°55'53.2''N 103°16'24.2''E. Secondary broad-leaved evergreen open dry forest on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 700-950 m a.s.l. Epiphyte on old trees near mountain top in shady place. Not common.

LA-VN 1466 15 April 2015

Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham, Somchanh Bounphanmy.

Polypodiaceae s.l.

Asplenium sp.

Xiangkhouang Prov., Peak Distr., Oran village, around point 19°38’53”N 103°23’12”E. Primary and secondary broad-leaved evergreen dry forest on shale sandstone slopes and along ridge edge at elev. about 1750-1850 m a.s.l. Epiphyte on mossy tree in shady, humid place. Very common.

LA-VN 902 2 April 2015

Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.

FLORA OF VIETNAM

Polypodiaceae s.l.

Asplenium sp.

Ha Giang Prov., Bac Me Distr., Phieng Luong municipality, around Phieng Luong village. Primary broad-leaved humid evergreen forest on very steep slopes and along rocky ridge composed with solid crystalline highly eroded limestone at elevation 1100-1150 m a.s.l. around point 22°38’07.1’’N 105°19’22.1’’E. Lithophytic and epiphytic fern on shady vertical cliffs and rocks. Very common.

13 November 2014 CPC 7395

Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, T.Maisak, L.Osinovetz

FLORA OF VIETNAM

Polypodiaceae s.l.

Asplenium sp.

Ha Giang Prov., Bac Me Distr., Thuong Tan municipality. Primary broad-leaved humid evergreen forest on very steep slopes and along rocky ridge composed with solid crystalline highly eroded limestone at elevation 1200-1285 m a.s.l. around point 22°38’19.0’’N 105°17’06.5’’E.

Lithophytic fern along shady stream. Common.

16 November 2014 CPC 7475

Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, T.Maisak, L.Osinovetz

FLORA OF LAOS

Polypodiaceae s.l.

Onychium sp.?

Xiangkhouang Prov., Kham Distr., Huad village, Phou tat Vinh mt., around point 19°32'31.6'N 103°39'40.4'E. Primary and secondary broad-leaved evergreen and semideciduous dry forest on very steep rocky slopes of limestone highly eroded mountains composed by solid marble like limestone at elev. 1200-1400 m a.s.l. Lithophytic fern on vertical shady cliff near mountain top. Occasional.

LA-VN 1027 4 April 2015

Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.

FLORA OF LAOS

Polypodiaceae s.l.

Leptochilus sp.

Xiangkhouang Prov., Peak Distr., Oran village, around point 19°38’53”N 103°23’12”E.Primary and secondary broad-leaved evergreen dry forest on shale sandstone slopes and along ridge edge at elev. about 1750-1850 m a.s.l. Short creeping epiphyte and lithophyte in shady, humid place. Occasional.

LA-VN 880 2 April 2015

Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.

FLORA OF VIETNAM

Polypodiaceae s.l.

Ha Giang Prov., Bac Me Distr., Phieng Luong municipality, around Phieng Luong village. Primary broad-leaved humid evergreen forest on very steep slopes and along rocky ridge composed with solid crystalline highly eroded limestone at elevation 1100-1150 m a.s.l. around point 22°38’07.1’’N 105°19’22.1’’E. Lithophytic and epiphytic rosulate fern on shady vertical cliffs and rocks. Very common.

13 November 2014 CPC 7394

Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, T.Maisak, L.Osinovetz

FLORA OF LAOS

Polypodiaceae s.l.

Houphan Prov., Hem Distr., Nacoc village, Puphadeng mountain, around point 20°09'52.6''N 103°10'19.4''E. Primary and secondary broad-leaved evergreen open dry forest on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 1000-1200 m a.s.l. Creeping lithophyte on mossy rocks on mountain top. Very common.

LA-VN 1446 12 April 2015

Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.

FLORA OF LAOS

Polypodiaceae s.l.

Asplenium belangeri Bory

Xiangkhouang Prov., Peak Distr., Oran village, around point 19°38’53”N 103°23’12”E. Primary and secondary broad-leaved evergreen dry forest on shale sandstone slopes and along ridge edge at elev. about 1750-1850 m a.s.l. Epiphyte on mossy tree in shady, humid place. Common.

LA-VN 900 2 April 2015

Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.

FLORA OF LAOS

Polypodiaceae s.l.

Colysis digitata Ching

Xiangkhouang Prov., Peak Distr., Oran village, around point 19°38’53”N 103°23’12”E. Primary and secondary broad-leaved evergreen dry forest on shale sandstone slopes and along ridge edge at elev. about 1750-1850 m a.s.l. Short creeping lithophyte in shady, humid place. Common.

LA-VN 905 2 April 2015

Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.

FLORA OF VIETNAM

Polypodiaceae s.l.

Phymatosorus sp.

Cao Bang Prov., Bao Lac Distr., Hong An municipality, Mi Lung village. Primary broad-leaved and mixed humid evergreen forest on very steep slopes and along rocky ridge composed with solid crystalline highly eroded limestone at elevation 1500-1550 m a.s.l. around point 22°50’01.3’’N 105°50’05.7’’E. Creeping lithophyte on open mossy rocks. Common.

20 November 2014 CPC 7528

Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, T.Maisak, L.Osinovetz

FLORA OF VIETNAM

Polypodiaceae s.l.

Tectaria sp.?

Cao Bang Prov., Bao Lam Distr., Yen Tho municipality, Cha Hai village, Phia Hai Mt. Secondary highly degraded broad-leaved evergreen forest on steep mountain slopes near mountain top at elevation 1300-1350 m a.s.l. around point 22°41’22.3’’N 105°34’43.5’’E. Lithophytic fern on vertical shady wet cliff around cave entrance. Very common.

27 November 2014 CPC 7666

Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, T.Maisak, L.Osinovetz

FLORA OF VIETNAM

Polypodiaceae s.l.

Pyrrosia sp.

Cao Bang Prov., Bao Lac Distr., Hong An municipality, Mi Lung village. Primary broad-leaved and mixed humid evergreen forest on very steep slopes and along rocky ridge composed with solid crystalline highly eroded limestone at elevation 1400-1450 m a.s.l. around point 22°49’23.4’’N 105°49’54.5’’E. Lithophytic clusterinh fern on open mossy rocks. Very common.

19 November 2014 CPC 7503

Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, T.Maisak, L.Osinovetz

FLORA OF VIETNAM

Polypodiaceae s.l.

Pyrrosia sp.

Cao Bang Prov., Bao Lac Distr., Hong An municipality, Mi Lung village. Primary broad-leaved and mixed humid evergreen forest on very steep slopes and along rocky ridge composed with solid crystalline highly eroded limestone at elevation 1400-1450 m a.s.l. around point 22°49’23.4’’N 105°49’54.5’’E. Lithophytic clusterinh fern on open mossy rocks. Very common.

19 November 2014 CPC 7503

Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, T.Maisak, L.Osinovetz

FLORA OF LAOS

Polypodiaceae s.l.

Antrophyum sp.

Houphan Prov., Xon Distr., Nong Hua Pa Noi village, around point 20°13'02.1''N 103°24'23.3''E. Primary and secondary broad-leaved evergreen forest on very steep rocky mountain slopes composed by shaly limestone at elev. 1100-1200 m a.s.l. Epiphyte on mossy tree near ground in shady humid place. Locally common.

LA-VN 1256 11 April 2015

Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.

FLORA OF VIETNAM

Polypodiaceae s.l. (Adiantaceae)

Lindsaea sp.?

Ha Giang Prov., Bac Me Distr., Phieng Luong municipality, around Phieng Luong village. Primary broad-leaved humid evergreen forest on very steep slopes and along rocky ridge composed with solid crystalline highly eroded limestone at elevation 1100-1150 m a.s.l. around point 22°38’07.1’’N 105°19’22.1’’E. Terrestrial fern among shady rocks along ridge edge. Not rare.

13 November 2014 CPC 7403

Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, T.Maisak, L.Osinovetz

Polypodiaceae s.l.

Asplenium rupestre Hope?

Xiangkhouang Prov., Peak Distr., Oran village, around point 19°38’53”N 103°23’12”E. Primary and secondary broad-leaved evergreen dry forest on shale sandstone slopes and along ridge edge at elev. about 1750-1850 m a.s.l. Epiphytic fern in shady places. Not rare.

LA-VN 874 2 April 2015

Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.

FLORA OF VIETNAM

Polypodiaceae s.l.

Asplenium rupestre Hope?

Cao Bang Prov., Bao Lac Distr., Dinh Phung municipality, Ban O village. Primary mixed and coniferous evergreen humid forest with (Pinus sp., Pseudotsuga sinensis, Podocarpus neriifolius) on very steep slopes and on mountain tops composed by solid highly eroded limestone at elevation 1200-1300 m a.s.l. around point 22°45’24.8’’N 105°46’47.9’’E. Lithophytic fern in shady places on rocky slopes. Very common.

24 November 2014 CPC 7650

Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, T.Maisak, L.Osinovetz

FLORA OF LAOS

Polypodiaceae s.l.

Onychium sp.? (or Pteris sp.?)

Houphan Prov., Viengxay Distr., Xieng Luong village, around point 20°22'06.1''N 104°17'18.6''E. Primary and secondary broad-leaved evergreen dry forest on very steep rocky slopes of highly eroded mountains composed by solid marble-like limestone at elev. 600-700 m a.s.l.

Lithophytic fern in mossy crevices of shady vertical cliff on mountain top. Not common.

LA-VN 1160 8 April 2015

Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Somneuk Bouthamounty.

FLORA OF LAOS

Polypodiaceae s.l.

Lemmaphyllum microphyllum C. Presl

Houphan Prov., Hem Distr., Nacoc village, Puphadeng mountain, around point 20°09'52.6''N 103°10'19.4''E. Primary and secondary broad-leaved evergreen open dry forest on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 1000-1200 m a.s.l. Epiphyte on old trees on mountain top. Common.

LA-VN 1435 12 April 2015

Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.

FLORA OF VIETNAM

Polypodiaceae s.l.

Asplenium rupestre?

Cao Bang Prov., Bao Lac Distr., Hong An municipality, Mi Lung village. Primary broad-leaved and mixed humid evergreen forest (with Podocarpus, Pinus, Fokienia and Tsuga) on very steep slopes and along rocky ridge composed with solid crystalline highly eroded limestone at elevation about 1500-1550 m a.s.l. around point 22°49’15.4’’N 105°49’53’’E. Epiphyte and lithophyte on rocky mossy mountain slope. Common.

21 November 2014 CPC 7572

Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, T.Maisak, L.Osinovetz

Polypodiaceae s.l.

Asplenium sp. s.l. (or Loxogramme sp.)

Houphan Prov., Viengxay Distr., Xieng Luong village, around point 20°22'06.1''N 104°17'18.6''E. Primary and secondary broad-leaved evergreen dry forest on very steep rocky slopes of highly eroded mountains composed by solid marble-like limestone at elev. 600-700 m a.s.l.

Creeping lithophyte on shady cliff. Not common.

LA-VN 1204 8 April 2015

Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Somneuk Bouthamounty.

Polypodiaceae s.l.

Asplenium rupestre Hope?

Houphan Prov., Viengxay Distr., Xieng Luong village, around point 20°22'06.1''N 104°17'18.6''E. Primary and secondary broad-leaved evergreen dry forest on very steep rocky slopes of highly eroded mountains composed by solid marble-like limestone at elev. 600-700 m a.s.l.

Rosulate lithophyte on very steep rocky slope near mountain top. Very common.

LA-VN 1182 8 April 2015

Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Somneuk Bouthamounty.

Polypodiaceae s.l.

Asplenium rupestre Hope?

Houphan Prov., Viengxay Distr., Xieng Luong village, around point 20°22'06.1''N 104°17'18.6''E. Primary and secondary broad-leaved evergreen dry forest on very steep rocky slopes of highly eroded mountains composed by solid marble-like limestone at elev. 600-700 m a.s.l.

Rosulate lithophyte on very steep rocky slope near mountain top. Very common.

LA-VN 1182 8 April 2015

Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Somneuk Bouthamounty.

FLORA OF LAOS

Polypodiaceae s.l.

Lemmaphyllum microphyllum C. Presl

Houphan Prov., Viengxay Distr., Xieng Luong village, around point 20°22'06.1''N 104°17'18.6''E. Primary and secondary broad-leaved evergreen dry forest on very steep rocky slopes of highly eroded mountains composed by solid marble-like limestone at elev. 600-700 m a.s.l.

Creeping epiphyte and lithophyte on rocky mossy rocks near mountain top. Common.

LA-VN 1190 8 April 2015

Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Somneuk Bouthamounty.

FLORA OF VIETNAM

Polypodiaceae s.l.

Microsorum sp.?

Ha Giang Prov., Bac Me Distr., Phieng Luong municipality, around Phieng Luong village. Primary broad-leaved humid evergreen forest on very steep slopes and along rocky ridge composed with solid crystalline highly eroded limestone at elevation 1100-1150 m a.s.l. around point 22°38’07.1’’N 105°19’22.1’’E. Creeping epiphytic vine about 2 m long on very steep shady rocky slope near and along ridge edge. Not rare.

13 November 2014 CPC 7420

Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, T.Maisak, L.Osinovetz

FLORA OF LAOS

Polypodiaceae s.l.

Asplenium sp.

Houphan Prov., Hem Distr., Nacoc village, Pu He mountain around point 20°10'36.7''N 103°11'39.2''E. Secondary broad-leaved evergreen open dry forest with bamboo on very steep rocky mountain slopes composed by shaly limestone at elev. 700-900 m a.s.l. Terrestrial fern on very steep shady slope along small rocky stream. Locally common.

LA-VN 1368 12 April 2015

Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Pheng sintham.

FLORA OF LAOS

Polypodiaceae s.l.

Antrophyum sp.

Houphan Prov., Hem Distr., Nacoc village, Puphadeng mountain, around point 20°09'52.6''N 103°10'19.4''E. Primary and secondary broad-leaved evergreen open dry forest on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 1000-1200 m a.s.l. Lithophytic fern on vertical shady cliff. Occasional.

LA-VN 1407 12 April 2015

Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.

FLORA OF LAOS

Polypodiaceae s.l.

Pyrrosia sp.

Houphan Prov., Xon Distr., Nong Hua Pa Noi village, around point 20°13'02.1''N 103°24'23.3''E. Primary and secondary broad-leaved evergreen forest on very steep rocky mountain slopes composed by shaly limestone at elev. 1100-1200 m a.s.l. Epiphyte on old trees near ground. Common.

LA-VN 1258 11 April 2015

Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.

FLORA OF LAOS

Polypodiaceae s.l.

Asplenium sp.

Houphan Prov., Xon Distr., Nong Hua Pa Noi village, around point 20°13'02.1''N 103°24'23.3''E. Primary and secondary broad-leaved evergreen forest on very steep rocky mountain slopes composed by shaly limestone at elev. 1100-1200 m a.s.l. Epiphyte on mossy tree near ground in shady humid place. Locally very common.

LA-VN 1255 11 April 2015

Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.

FLORA OF LAOS

Polypodiaceae s.l.

Antrophyum sp.

Houphan Prov., Viengxay Distr., Xieng Luong village, around point 20°22'06.1''N 104°17'18.6''E. Primary and secondary broad-leaved evergreen dry forest on very steep rocky slopes of highly eroded mountains composed by solid marble-like limestone at elev. 600-700 m a.s.l.

Lithophyte on shady cliffs near mountain top. Occasional.

LA-VN 1183 8 April 2015

Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Somneuk Bouthamounty.

FLORA OF LAOS

Polypodiaceae s.l.

Pteris sp.

Houphan Prov., Hem Distr., Na Puok village, Pu Tham Nhon mountain around point 20°10'00.0''N 103°24'37.0''E. Primary and secondary broad-leaved evergreen dry forest on very steep rocky mountain slopes composed by solid marble-like highly eroded limestone at elev. 1050-1150 m a.s.l. Terrestrial fern in shady slope near mountain base. Not common.

LA-VN 1340 11 April 2015

Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.

FLORA OF LAOS

Polypodiaceae s.l.

Asplenium sp.

Houphan Prov., Hem Distr., Na Puok village, Pu Tham Nhon mountain around point 20°10'00.0''N 103°24'37.0''E. Primary and secondary broad-leaved evergreen dry forest on very steep rocky mountain slopes composed by solid marble-like highly eroded limestone at elev. 1050-1150 m a.s.l. Epiphyte on old mossy tree near mountain top. Very common.

LA-VN 1331 11 April 2015

Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.

FLORA OF LAOS

Polypodiaceae s.l.

Asplenium sp.

Xiangkhouang Prov., Peak Distr., Khoang village, Pa Khao mt., around point 19°33’02.2’N 103°39’56.3’E. Primary and secondary broad-leaved evergreen dry forest on solid rocky highly eroded limestone at elev. 1200-1450 m a.s.l. Epiphyte on mossy tree. Occasional.

LA-VN 940 3 April 2015

Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.

FLORA OF LAOS

Polypodiaceae s.l.

Asplenium sp.

Houphan Prov., Xon Distr., Nong Hua Pa Noi village, around point 20°13'02.1''N 103°24'23.3''E. Primary and secondary broad-leaved evergreen forest on very steep rocky mountain slopes composed by shaly limestone at elev. 1100-1200 m a.s.l. Epiphyte on mossy tree near ground on shady slope. Common.

LA-VN 1287 11 April 2015

Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.

FLORA OF LAOS

Polypodiaceae s.l.

Polypodium sp. s.l.

Houphan Prov., Viengxay Distr., Vieng Xai village, around point 20°23'41.3''N 104°13'44.5''E. Primary and secondary broad-leaved evergreen dry forest on very steep rocky slopes of highly eroded mountains composed by solid marble-like limestone at elev. 800-950 m a.s.l.

Creeping epiphytic vine about 3 m long in shady place. Locally common.

LA-VN 1114 7 April 2015

Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Somneuk Bouthamounty.

FLORA OF LAOS

Polypodiaceae s.l.

Antrophyum sp.

Houphan Prov., Hem Distr., Na Puok village, Pu Tham Nhon mountain around point 20°10'00.0''N 103°24'37.0''E. Primary and secondary broad-leaved evergreen dry forest on very steep rocky mountain slopes composed by solid marble-like highly eroded limestone at elev. 1050-1150 m a.s.l. Lithophyte on shady mossy rocks on mountain top. Common.

LA-VN 1336 11 April 2015

Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.

FLORA OF LAOS

Polypodiaceae s.l.

Antrophyum sp.

Houphan Prov., Viengxay Distr., Vieng Xai village, around point 20°23'41.3''N 104°13'44.5''E. Primary and secondary broad-leaved evergreen dry forest on very steep rocky slopes of highly eroded mountains composed by solid marble-like limestone at elev. 800-950 m a.s.l.

Epiphyte shrub about 2 m tall on old tree. Fruits orange to almost red. Common.

LA-VN 1119 7 April 2015

Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Somneuk Bouthamounty.

Orchidaceae

Bulbophyllum blaoense?

Lam Dong Province, Bao Lam District. Primary humid evergreen broad-leaved and mixed forest with Pinus kesiya on granite at elevation about 1100 m a.s.l. Creeping epiphyte. Not rare.

30 October 2024, L. Averyanov, Nguyen Van Canh, T. Maisak, AL 3525.

Flowered in cultivation in 12 January 2026, L. Averyanov, T. Maisak, AL 3525

Polypodiaceae s.l.

Microsorum sp. s.l.

Dien Bien Prov., Muong Nhe Distr., Muong Nhe Natural Reserve, Sin Thau Municipality, A Pa Chai Village around point about N22º22’51’’ E102º14’26”. Old humid secondary evergreen broad-leaved submontane forest of steep mountain slopes composed with sandstone at elevations 700–800 m a.s.l. along small stream. Epiphyte and lithophyte on shady steep stream slope. Common.

15 May 2022, L. Averyanov, Tran Huy Thai, Khang Sinh Nguyen, Cuong Huu Nguyen, T. Maisak, Bac Cam Khoa, VR 1677.