Гербарий БИН РАН - Образцы

Polypodiaceae s.l. (Hymenophyllaceae)

Trichomanes sp.

Lam Dong Province, Lac Duong District. Humid evergreen broad-leaved forest with Ducampopinus on granite along tops of ridge at elevation of about 1750 m a.s.l. around point 12º06’N 108º22’E. Epiphyte on mossy tree. Common.

18 April 2026, L. Averyanov, Nguyen Van Canh, Truong Ba Vuong, T. Maisak, АL4964.

Polypodiaceae s.l.

Ctenopterella nhatrangensis (C.Chr. & Tardieu) Parris

Lam Dong Province, Lac Duong District. Humid evergreen broad-leaved forest with Ducampopinus on granite along tops of ridge at elevation of about 1750 m a.s.l. around point 12º06’N 108º22’E. Epiphyte on mossy tree. Common.

18 April 2026, L. Averyanov, Nguyen Van Canh, Truong Ba Vuong, T. Maisak, АL4963.

Lam Dong Province, Lac Duong District, Bidoup Nui Ba National Par, southern slopes of Bidoup Mountain about

5 km to the south from Bidoup peak around point 12º04.076’N 108º38.927E. Primary broad-leaved evergreen forest and Pinus woodlands on steep granite slopes at elevation 1900-2000 m a.s.l. 08 November 2023, L. Averyanov, Nguyen Van Canh, Truong Ba Vuong, T. Maisak.

Flowered in culture on 10 February 2025, L. Averyanov, T. Maisak, AL 2563

Orchidaceae

Cleisostomopsis eberhardtii (Finet) Seidenf.⁣

Plants from private collection of Mr Nguyen Ta Ton 21 Oct 2017

All plants nature collected from Kon Tum province, Konplong, Mang Den, Ngoc Linh Mt., 21 October 2017, Nguyen Ta Ton and L. Averyanov, T. Maisak. AL 364.

Flowered in culture on 13 February 2026, L. Averyanov, AL 364.

Orchidaceae

Gastrochilus minutiflorus Aver.

Son La Province, Thuan Chau District, evergreen forest on limestone at about 1000 m a.s.l. Not common. Obtained from local collectors.

Nguyen Van Canh, 25 October 2024, AL 3375.

Flowered in culture on 13 February 2026, L. Averyanov, AL3375.

Polypodiaceae s.l.

Polystichum 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 rosulate fern on shady vertical cliffs and rocks. Very common.

13 November 2014 CPC 7392

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

Polypodiaceae s.l.

Polystichum 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 fern on mossy shady rocks on very steep slope. Common.

19 November 2014 CPC 7496

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

Polypodiaceae s.l.

Pyrrosia 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.

Short creeping lithophytic fern in mossy crevices of shady vertical cliff on mountain top. Not common.

LA-VN 1161 8 April 2015

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

Polypodiaceae s.l.

Polystichum 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. Terrestrial and lithophyte fern in shady places. Not common.

27 November 2014 CPC 7662

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

Polypodiaceae s.l.

Polystichum 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. Terrestrial fern in shady, humid place. Common.

LA-VN 882 2 April 2015

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

Polypodiaceae s.l.

Polystichum sp.

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. Terrestrial and lithophytic fern in shady places on rocky slopes. Very common.

24 November 2014 CPC 7649

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

Polypodiaceae s.l.

Polystichum 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 rocky slope. Localy common.

LA-VN 1374 12 April 2015

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

Polypodiaceae s.l.

Polystichum 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 rocky slope. Localy common.

LA-VN 1374 12 April 2015

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

Polypodiaceae s.l.

Polystichum sp.

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. Terrestrial and lithophytic fern on steep rocky slope near mountain top. Common.

24 November 2014 CPC 7642

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

Polypodiaceae s.l.

Polypodium 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. Creeping epiphyte on old trees and occasionally lithophyte on rocky mountain tops. Very common.

LA-VN 1067 4 April 2015

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

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. Creeping epiphyte on tall trees. Very common.

LA-VN 1233 11 April 2015

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

Polypodiaceae s.l.

Pyrrosia 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 epiphyte on old trees on mountain top. Common.

LA-VN 1408 12 April 2015

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

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 tall mossy tree. Very common.

LA-VN 1271 11 April 2015

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

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. Short creeping epiphyte on old tree. Very common.

LA-VN 1260 11 April 2015

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

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 tall mossy tree. Very common.

LA-VN 1272 11 April 2015

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

Polypodiaceae s.l.

Pyrrosia 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. Creeping epiphyte on old trees on mountain top. Very common.

LA-VN 1309 11 April 2015

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

Polypodiaceae s.l.

Pyrrosia 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 trees on mountain top. Very common.

LA-VN 1299 11 April 2015

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

Polypodiaceae s.l.

Pyrrosia 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. Creeping epiphyte and lithophyte. Common.

LA-VN 939 3 April 2015

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

Polypodiaceae s.l.

Microsorum scolopendria (Burm.f.) Copel.⁣

Quang Ninh Prov.

Kudryavtzeva E., Ogureeva G.

Kudryavtzeva 1061, 20.10.1990.

Polypodiaceae s.l.

Pyrrosia sp.

Dien Bien Prov., Muong Nhe Distr., Muong Nhe Natural Reserve, Leng Su Sin Municipality, A Suoi Voi Village around point about N22º20’16’’ E102º21’35”. Secondary evergreen broad-leaved lowland and submontane forest on mountain slopes composed with sandstone at elevations 500–600 m a.s.l. Creeping epiphyte on small tree in open place along stream. Not common.

18 May 2022, L. Averyanov, Tran Huy Thai, Khang Sinh Nguyen, T. Maisak, VR 1719.

Polypodiaceae s.l.

Polystichum sp.

S. Vietnam, Dak Lac Prov., Krong Bong Distr., Cu Pui Municipality, elevation from Dak Tour village (12ш30'N, 108ш30'E) to main peak of Chu Yang Sinh mt system (12ш24'N, 108ш26'E) along Dak Tour river (N slope). Primary wet closed mountain broad-leaved and mixed forest on granites along very steep shady slopes of river canyon at elev. 1700-1750 m. Terrestrial fern on very steep wet river canyon slope. Common.

No VH 6358 11.05.2000

International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6383-98)

Collectors: L.Averyanov, N.T.Hiep, N.Q.Hieu, P.H.Hoang, D.X.Du, N.T.Vinh

Polypodiaceae s.l.

Polystichum sp.

S. Vietnam, Dak Lac Prov., Krong Bong Distr., Cu Pui Municipality, elevation from Dak Tour village (12ш30'N, 108ш30'E) to main peak of Chu Yang Sinh mt system (12ш24'N, 108ш26'E) along Dak Tour river (N slope). Primary wet closed mountain broad-leaved and mixed forest on granites along very steep shady slopes of river canyon at elev. 1500-1700 m. Lithophytic fern on open waterfall cliffs. Rare.

No VH 6054 11.05.2000

International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6383-98)

Collectors: L.Averyanov, N.T.Hiep, N.Q.Hieu, P.H.Hoang, D.X.Du, N.T.Vinh

Polypodiaceae s.l.

Polystichum sp.

S. Vietnam, Dak Lac Prov., Krong Bong Distr., Cu Pui Municipality, elevation from Dak Tour village (12ш30'N, 108ш30'E) to main peak of Chu Yang Sinh mt system (12ш24'N, 108ш26'E) along Dak Tour river (N slope). Primary closed mountain broad-leaved evergreen forest on granite slopes along river canyon at elev. 800 m. Terrestrial fern on very steep shady slope of river canyon.

No VH 6466 12.05.2000

International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6383-98)

Collectors: L.Averyanov, N.T.Hiep, N.Q.Hieu, P.H.Hoang, D.X.Du, N.T.Vinh

Polypodiaceae s.l.

Polystichum sp.

S. Vietnam, Dak Lac Prov., Krong Bong Distr., Cu Pui Municipality, elevation from Dak Tour village (12ш30'N, 108ш30'E) to main peak of Chu Yang Sinh mt system (12ш24'N, 108ш26'E) along Dak Tour river (N slope). Primary wet closed mountain broad-leaved and mixed forest on granites along very steep shady slopes of river canyon at elev. 1500-1700 m. Terrestrial fern in steep open wet river slope. Not rare.

No VH 6045 11.05.2000

International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6383-98)

Collectors: L.Averyanov, N.T.Hiep, N.Q.Hieu, P.H.Hoang, D.X.Du, N.T.Vinh

Polypodiaceae

Polystichum sp. ?

S. Vietnam, Kontum Prov., Kon Plong Distr., Hieu Municipality, Mang La forest enterprise (14ш39'N, 108ш25'E). Primary broad-leaved closed evergreen wet mountain forest on sandstone steep slopes of forest river at elev. 1100-1200 m. Terrestrial fern with fronds up to 1.5 m lg in shady steep slope. Not rare.

No VH 5695 24.04.2000

International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6383-98)

Collectors: L.Averyanov, P.H.Hoang, D.X.Du, N.T.Vinh

Polypodiaceae s.l.

Polystichum sp.

S. Vietnam, Dak Lac Prov., Krong Bong Distr., Cu Pui Municipality, elevation from Dak Tour village (12ш30'N, 108ш30'E) to main peak of Chu Yang Sinh mt system (12ш24'N, 108ш26'E) along Dak Tour river (N slope). Primary closed wet broad-leaved and mixed forest (with Pinus, Fokienia, Dacrydium and Dacrycarpus) on steep granite slopes at elev. 1200-1550 m. Terrestrial fern on shady very steep slope of river canyon. Not rare.

No VH 6252 07.05.2000

International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6383-98)

Collectors: L.Averyanov, N.T.Hiep, N.Q.Hieu, P.H.Hoang, D.X.Du, N.T.Vinh

DRYOPTERIDACEAE

Polystichum

Son La

Moc Chau District; Van Ho Municipality,

Hua Tat Village. Collections on

limestone ridge from degraded forests to

cultivation on lower slopes to primary

broadleaved, closed wet forest along

limestone ridge and slopes near tops.

20°46'13"N 104°46'12"E 1100 - 1300 m

Lithophytic fern on steep slope. Common.

7 March 2001

D.K. Harder, P.K. Loc, L.V. Averyanov &

N.X. Tam 7389

Supported by National Science Foundation

and National Geographic Society

MISSOURI BOTANICAL GARDEN HERBARIUM (MO)

POLYPODIACEAE

Pyrrosia

Lao Cai

Van Ban District; Liem Phu Municipality;

Khuoi Ngoa Village. Collections on

ridges just west of village.

21°59'31"N 104°19'05"E 323 - 1050 m

Epiphytic, creeping vine to 3 m. Rhizome

brown; young sporangia tan to creamy

white, mature sporangia red-brown.

22 February 2001

D.K. Harder, P.K. Loc, L.V. Averyanov,

G.E. Schatz & S. Bodine 6749

Supported by National Science Foundation

and National Geographic Society

MISSOURI BOTANICAL GARDEN HERBARIUM (MO)

PTERIDACEAE

Pteris

Son La

Yen Chau District; Muong Lum

Municipality; Lum Village. Collection on

ridges S of village. Collected with P.K.

Loc, N.T. Hiep, B. Tan, G.E. Schatz,

L.V. Averyanov & S. Bodine.

21°00'17"N 104°29'08"E 1242 m

Terrestrial, among rocks on steep

slopes, occasional. Fronds to 1 m;

rachis dark brown-black; sporangia dark

brown-black.

3 March 2001

D.K. Harder & et al. 7186

Supported by National Science Foundation

and National Geographic Society

MISSOURI BOTANICAL GARDEN HERBARIUM (MO)

DRYOPTERIDACEAE

Polystichum

Lao Cai

Van Ban District; Liem Phu Municipality;

Khuoi Ngoa Village. Collections on

ridges just west of village.

21°59'31"N 104°19'05"E 323 - 1050 m

Occasional, widespread fern. Lower

rachis hairs brown; pinnae green to

light yellow-green; sporangia light

brown.

22 February 2001

D.K. Harder, P.K. Loc, L.V. Averyanov,

G.E. Schatz & S. Bodine 6762

Supported by National Science Foundation

and National Geographic Society

MISSOURI BOTANICAL GARDEN HERBARIUM (MO)

Polypodiaceae s.l.

Polystichum sp.

S. Vietnam, Dak Lac Prov., Krong Bong Distr., Cu Pui Municipality, elevation from Dak Tour village (12ш30'N, 108ш30'E) to main peak of Chu Yang Sinh mt system (12ш24'N, 108ш26'E) along Dak Tour river (N slope). Primary wet closed mountain broad-leaved and mixed forest on granites along very steep shady slopes of river canyon at elev. 1700 m. Terrestrial fern on very steep shady river slopes. Common.

No VH 6350 11.05.2000

International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6383-98)

Collectors: L.Averyanov, N.T.Hiep, N.Q.Hieu, P.H.Hoang, D.X.Du, N.T.Vinh

Polypodiaceae s.l.

Polystichum sp.

S. Vietnam, Dak Lac Prov., Krong Bong Distr., Cu Pui Municipality, elevation from Dak Tour village (12ш30'N, 108ш30'E) to main peak of Chu Yang Sinh mt system (12ш24'N, 108ш26'E) along Dak Tour river (N slope). Primary closed wet broad-leaved forest on steep granite slopes at elev. 1200-1250 m. Lithophytic fern on shady mossy wet river rocks. Very common. Codominant of rocky river valley and waterfall sides herb vegetation.

No VH 6265 06.05.2000

International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6383-98)

Collectors: L.Averyanov, N.T.Hiep, N.Q.Hieu, P.H.Hoang, D.X.Du, N.T.Vinh

DRYOPTERIDACEAE

Polystichum

Lao Cai

Van Ban District; Liem Phu Municipality;

Khuoi Ngoa Village. Collections on

ridges just west of village.

21°59'31"N 104°19'05"E 323 - 1050 m

Rare. Rachis green with darker brown

hairs; sporangia brown to darker brown.

22 February 2001

D.K. Harder, P.K. Loc, L.V. Averyanov,

G.E. Schatz & S. Bodine 6764

Supported by National Science Foundation

and National Geographic Society

MISSOURI BOTANICAL GARDEN HERBARIUM (MO)

Polypodiaceae s.l.

Polystichum sp.

S. Vietnam, Dak Lac Prov., Krong Bong Distr., Cu Pui Municipality, elevation from Dak Tour village (12ш30'N, 108ш30'E) to main peak of Chu Yang Sinh mt system (12ш24'N, 108ш26'E) along Dak Tour river (N slope). Primary closed wet broad-leaved forest on steep granite slopes at elev. 1300 m. Terrestrial fern on very steep rocky shady slope. Common.

No VH 6293 06.05.2000 International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6383-98) Collectors: L.Averyanov, N.T.Hiep, N.Q.Hieu, P.H.Hoang, D.X.Du, N.T.Vinh

Plypodiaceae

Pyrrosia sp.

S. Vietnam, Dak Lac Prov., Krong Bong Distr., Cu Pui Municipality, elevation from Dak Tour village (12º30'N, 108º30'E) along Dak Tour

river on N macroslope of Chu Yang Sinh mt system. Primary broad-leaved mountain evergreen forest on granites along river slopes at elev.

500-550 m. Epiphyte in open places. Very common. VH 5953 03.05.2000

International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6383-98)

Collectors: L.Averyanov, N.T.Hiep, N.Q.Hieu, P.H.Hoang, D.X.Du, N.T.Vinh

Polypodiaceae

Pyrosia sp. ?

S. Vietnam, Kontum Prov., Kon Plong Distr., Hieu Municipality, Mang La forest enterprise (14º39'N, 108º25'E). Primary broad-leaved closed

evergreen wet mountain forest on sandstone steep slopes of forest river at elev. 1100-1200 m. Epiphyte on high trees. Common.

No VH 5687 24.04.2000

International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6383-98)

Collectors: L.Averyanov, P.H.Hoang, D.X.Du, N.T.Vinh

FLORA OF VIETNAM

Polypodiaceae

Polypodium

S. Vietnam, Kontum Prov., Kon Plong Distr., Hieu Municipality, Mang La forest enterprise (14є39'N, 108є25'E). Primary evergreen broad-leaved wet forest with Dacrycarpus imbricatus on steep mt. slopes on sandstone & gneiss at elev. 1100-1200 m. Epiphyte fern on high

trees. Not common.

No VH 5228 16.04.2000

International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6383-98)

Collectors: L.Averyanov, P.K.Loc, P.H.Hoang, D.X.Du, N.T.Vinh

Polypodiaceae

Pyrrosia sp. ?

S. Vietnam, Dak Lac Prov., Krong Bong Distr., Cu Pui Municipality, elevation from Dak Tour village (12º30'N, 108º30'E) along Dak Tour river on N macroslope of Chu Yang Sinh mt system. Secondary dry evergreen broad-leaved forest with remnants of primary elements along river slopes at elev. 450-550 m. Creeping epiphytic vine on high tree in shady place. Common.

No VH 5895 02.05.2000

International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6383-98)

Collectors: L.Averyanov, N.T.Hiep, N.Q.Hieu, P.H.Hoang, D.X.Du, N.T.Vinh

Polypodiaceae s.l.

Polystichum sp.

S. Vietnam, Dak Lac Prov., Krong Bong Distr., Cu Pui Municipality, elevation from Dak Tour village (12ш30'N, 108ш30'E) to main peak of Chu Yang Sinh mt system (12ш24'N, 108ш26'E) along Dak Tour river (N slope). Primary closed wet broad-leaved forest on steep granite slopes at elev. 1200-1250 m. Lithophytic and terrestrial fern on shady very steep slope of river canyon. Common.

No VH 6279 06.05.2000

International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6383-98)

Collectors: L.Averyanov, N.T.Hiep, N.Q.Hieu, P.H.Hoang, D.X.Du, N.T.Vinh

Polypodiaceae s.l.

Polystichum sp.

S. Vietnam, Dak Lac Prov., Krong Bong Distr., Cu Pui Municipality, elevation from Dak Tour village (12ш30'N, 108ш30'E) to main peak of Chu Yang Sinh mt system (12ш24'N, 108ш26'E) along Dak Tour river (N slope). Primary closed wet broad-leaved and mixed forest (with Pinus, Fokienia, Dacrydium and Dacrycarpus) on steep granite slopes at elev. 1200-1300 m. Terrestrial fern on very steep slope of river canyon. Common.

No VH 6234 08.05.2000

International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6383-98)

Collectors: L.Averyanov, N.T.Hiep, N.Q.Hieu, P.H.Hoang, D.X.Du, N.T.Vinh

Polypodiaceae s.l.

Polystichum sp.

S. Vietnam, Dak Lac Prov., Krong Bong Distr., Cu Pui Municipality, elevation from Dak Tour village (12º30'N, 108º30'E) to main peak of

Chu Yang Sinh mt system (12º24'N, 108º26'E) along Dak Tour river (N slope). Primary closed wet broad-leaved forest on steep granite slopes

at elev. 1200-1250 m. Lithophytic and terrestrial fern on shady very steep slope of river canyon. Not rare.

No VH 6271 06.05.2000

International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6383-98)

Collectors: L.Averyanov, N.T.Hiep, N.Q.Hieu, P.H.Hoang, D.X.Du, N.T.Vinh

Polypodiaceae s.l.

Polystichum sp.

S. Vietnam, Dak Lac Prov., Krong Bong Distr., Cu Pui Municipality, elevation from Dak Tour village (12º30'N, 108º30'E) to main peak of

Chu Yang Sinh mt system (12º24'N, 108º26'E) along Dak Tour river (N slope). Primary wet closed mountain broad-leaved and mixed forest on

granites along very steep shady slopes of river canyon at elev. 1700-1750 m. Terrestrial fern on very steep wet river canyon slope. Common.

No VH 6356 11.05.2000

International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6383-98)

Collectors: L.Averyanov, N.T.Hiep, N.Q.Hieu, P.H.Hoang, D.X.Du, N.T.Vinh

Polypodiaceae s.l.

Polystichum sp.

S. Vietnam, Dak Lac Prov., Krong Bong Distr., Cu Pui Municipality, elevation from Dak Tour village (12ш30'N, 108ш30'E) to main peak of Chu Yang Sinh mt system (12ш24'N, 108ш26'E) along Dak Tour river (N slope). Primary closed wet broad-leaved forest on steep granite slopes at elev. 1200-1250 m. Lithophytic and terrestrial fern on shady very steep slope of river canyon. Not rare.

No VH 6268 06.05.2000

International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6383-98)

Collectors: L.Averyanov, N.T.Hiep, N.Q.Hieu, P.H.Hoang, D.X.Du, N.T.Vinh

POLYPODIACEAE

Polypodium

Ha Giang

Quan Ba District; Bat Dai Son

Municipality; Bat Dai Son Provincial

Protected Area (2000); ridge N of Bat

Dai Son border station.

23°09'11"N 104°59'06"E 1287 m

Occasional, from thick rhizome. Hairs

brown, shiny; sporangia light brown.

11 February 2001

D.K. Harder, N.T. Hiep, L.V. Averyanov &

P.K. Loc 6169

Supported by National Science Foundation

and National Geographic Society

MISSOURI BOTANICAL GARDEN HERBARIUM (MO)

DRYOPTERIDACEAE

Polystichum

Lao Cai

Van Ban District; Nam Xe Municipality;

Nam Xi Tan Village. Collection in forest

on steep W-facing slope along stream;

just above village; on N side of road

between Nam Xe and Khau Co Pass at near

40 km to Than Uyen mark.

22°02'31"N 103°58'32"E 700 - 1113 m

Occasional, on slope, in shade. Hairs on

rachis and rhizome brown; rachis dark

26 February 2001

D.K. Harder, P.K. Loc, N.T. Hiep, G.E.

Schatz, S. Bodine & N.Q. Hieu 6886

Supported by National Science Foundation

and National Geographic Society

MISSOURI BOTANICAL GARDEN HERBARIUM (MO)