Herbarium LE - Specimens

FLORA OF VIETNAM Fam. Urticaceae Elatostema sp. N. Vietnam, Вас Can prov., Na Ri distr., Kim Hy municipality, vicinities of Lung Hin Con village (N 22°17 ', E 106°,03'), 27 km to 55 ° of Вас Can city. Primary broad-leaved evergreen dry closed forest on very steep slopes of remnant karst limestone ridge at elev. 500-600 m a.s.l. Terrestrial forb up to.0.6 m hg. Common. No NTH 3691 19 Oct. 1999 Collectors: N.T. Hiep, Р .К. Loc, L. Averyanov.

FLORA VIETNAMICA

FLORA VIETNAMICA

FLORA VIETNAMICA

FLORA Of VIETNAM UrticaceaeElalostema sp. Vietnam. Nghe An Prov..Tuong Duong Distr.. Tam Quang Municipality, Tung Huong village, along Khe Mat stream around point 19°03'09"N 104°36'53'E: at elevation about 355 m a s.I Lowland closed secondary old evergreen forest on steep slopes along rocky stream valley composed with stratified solid shale and sandstone. Terrestrial herb in shady place.Flowers green. Common. HLF 6758 19 March 2007. Coll. Averyanov 1,. P.K.Loc, N.V.Trai, N.T.Vinh, N.D.Phuong, Averyanova A.

FLORA OF VIETNAM Urticaceae Elatostemma sp. Phu Tho Prov., Tan Son Distr., Xuan Son Municipality, Du village, Ten Mountain, around mountain top, point 21 °06’49”N 104°56’03”E. Primary broad-leaved evergree forest on steep mountain slopes composed with shale at elevation 800-1000 m a.s.l. Terrestrial and lithophytic herb to 1 m tall on very steep shady rocky wet slope. Flowers light green to pink. Locally very common. HAL 12749 18 February 2009 Coll.: L.Averyanov, P.K.Loc, N.T.Vinh, L.T.Son.

FLORA OF VIETNAM Urticaceae Elatostema sp. Vietnam, Quang Tri Prov., Huong Hoa Distr., Huong Viet Municipality, to N of Sa Mui pass, around point 16°51'14” N 106°34’ 13” E at elevation 550-650 m a.s.l. Remnants of primary broad-leaved evergreen lowland forest on rocky remnant highly eroded solid marble-like limestone hills and low mountains with very steep slopes and vertical cliffs. Terrestrial and lithophytic herb in shady wet places. Common. HLF 5947 31 March 2006. Coll. N.T.Hiep, L.Averyanov, P.K.Loc, P.V.The, N.S.Khang et al.

FLORA OF VIETNAM Urticaceae Elatostema sp. Phu Tho Prov., Tan Son Distr., Xuan Son Municipality, Du village, around point 21°02’55, N 104 °56’5 l”E. Primary broad-leaved forest on very steep rocky slopes an cliffs of Svoi Lap remnant mountain composed with highly eroded solid marble-like limestone at elevation 500-600 m a.s.l. Terrestrial and lithophytic herb to 0.5 m tall о wet shady rocky slope. Locally very common. HAL 12722 17 February 2009 Coll.: L.Averyanov, P.K.Loc, N.T.Vinh, L.T.Son.

FLORA OF VIETNAM Urticaceae Elatostema sp. Quang Binh Prov., Minh Hoa Distr., Dan Hoa Municipality, Bai Dinh village arounc point 17°45’28”N 105°46’14”E. Very steep rocky slopes of highly eroded marble-lik solid remnant limestone mountains at elevation 600-700 m a.s.l. Lithophytic herb on shady rocky slope. Flowers greenish. Very common. HAL 12205 4 February 2009 Coll.: L.Averyanov, P.K.Loc, N.T.Vinh, L.T.Son.

FLORA OF VIETNAM Urticaceae Elatostema “ macrophylla” Hoa Binh Prov., Lac Son Distr., Tu Do Municipality, Mon village, around point 20°25’29”N 105°19’36” E. Primary broadleaved forest on steep rocky slopes o f remnant mountain composed with solid crystalline highly eroded limestone at elevation about 500-700 m a.s.l. Terrestrial herb in wet open place along trail. Very common. C P C 1538 25 March 2011 Coll.: N.Q.Hieu, L.Averyanov, N.T.Hiep, P .K .Loc, P.V.The, N .T.Vinh, T.B.Ngan, N.Tap, D .D.Dao, V.T.Ha.

FLORA OF VIETNAM Urticaceae Elatostema dissectum Wedd. Quang Binh Prov., Minh Hoa Distr., Thuong Hoa municipality, environs o f Mo O O O village, around point 17°39’ 11.6” N 105°54’ 53” E. Primary broad-leaved closed forest on very steep rocky slope o f remnant mountain composed with highly eroded solid crystalline limestone at elevation 400-500 m a.s.l. Lithophytic herb along shady rocky stream valley slope. Very common. C P C 3753 25 July 2011 Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N .Q.Vinh.

FLORA OF VIETNAM

FLORA OF VIETNAM

FLORA OF VIETNAM

FLORA OF VIETNAM Fam. Urticaceae Pellionia sp. N. Vietnam, Ha Giang prov., Meo Vac distr., vicinities of Meo Vac town (N 23 °l0' E 105° 24' }, 48.2 km to З6° of Ha Giang city. Primary evergreen broad-leaved wet closed forest on sandstones at elev. 1200-1400 m a.s.l. Terrestrial and lithophyte forb up to 0.3 m hg on shady steep slope. Leaves with wide irregular median whitish stripe. Common. No NTH 3377 07 Oct. 1999 Collectors: N.T. Hiep, N.Q. Binh, L. Averyanov, P. Cribb.

FLORA OF VIETNAM Plants of Phong Nha - Ke Bang National Park Fam. Urticaceae Pellionia sp. Vietnam, Quang Binh Prov., Bo Trach Distr., Son Trach Municipality, aroi point 17°31' 02"N, 106°16'48"E at elev. 200-250 m a.s.l. Secondary close broad-leaved evergreen forest and scrub on rocky steep slopes of remnar mountains composed with solid highly eroded crystalline gray limestone Lithophytic herb up to 0.5 m tall on shady rocks along river. Flowers whit Common. No HAL 6382 3 February 2005. Collectors: L.Averyanov, P.K.Loc, P.V.The, A.Averyanova, N.T.Vinh, N.Q.Vinh, N.T.Binh.

FLORA OF VIETNAM Urticaceae Pellionia sp.? Lai Chau Prov., Muong Те Distr., Muong Те Municipality, Nam Cum village, around point 22°32’06” N 102°32'29'’E. Secondary evergreen forest on very steep rocky slopes and bluffs of Song Da River canyon composed with slid gray highly eroded limestone with quartzite dykes at elev. about 250-300 m a.s.l. Terrestrial and lithophytic herb on shady wet rocky slope. Locally very common. HAL 10123 24 Nov. 2006 Coll.. N.T.Hiep, L.Averyanov, P.V.The.

FLORA OF VIETNAM Urticaceae Pellionia sp.. Lai Chau Prov., Muong Те Distr., Muong Те Municipality, Nam Cum village, around point 22°32’06',N 102°32'29'’E. Secondary evergreen forest with bamboo on very steep slopes of remnant bluffly mountain composed with slid gray highly eroded limestone along Song Da River canyon at elev. 300-600 m a.s.I. Terrestrial and lithophytic herb on shady wet slope along stream. Flowers green. Very common. HAL 10102 23 Nov. 2006 Coll.: N.T.Hiep, L.Averyanov, P.V.The.

FLORA OF VIETNAM Urticaceae Pellionia sp. Lai Chau Prov., Tam Duong Distr., Ho Thau Community, Ho Thau village, around point 22°22 ' l9"N 103°36'14"E. Secondary and primary evergreen closed forest on very steep mountain slopes composed with granite and quartzite at elevation from 1500 to 2000 m a.s.l. Terrestrial herb on shady wet place along stream on very steep shady rocky mountain slope. Flowers green. Locally common. HAL 10263 30 Nov. 2006 Coll.: N.T.Hiep, L.Averyanov, P.V.The.

FLORA OF VIETNAM Fam. Urticaceae Pellionia sp. N. Vietnam, Ha Giang prov., Meo Vac distr., Shung Cha municipality, vicinities of Lo Loi Phin village (N 23° 11* E 105 ° 17'). Wet secondary mossy forest near the top of remnant karst limestone ridge at elev. 1250 m a.s.l. Lithophytic forb up to 0.4 m hg on shady mossy cliffs. Flowers greenish. Not rare. No NTH 3287 05 Oct. 1999 Collectors: N.T. Hiep, N.Q. Binh, L. Averyanov, P. Cribb.

FLORA OF VIETNAM Fam. Urticaceae Pellionia sp. N. Vietnam, Lang Son prov., Huu Lung distr., Huu Lien municipality (N 21°40' E 106° 22'). Primary evergreen broad-leaved wet forest on steep slopes of remnant karst limestone ridge at elev. 400- 450 m a .s .l. Lithophytic forb up to 0.4 m hg on shady cliffs of N exposition. Not rare.N NTH 3263 01 Oct . 1999 Collectors N.T. Hiep , N.Q. Binh, L. Averyanov, P. Gribb.

FLORA OF VIETNAM Fam. Urticaceae Pellionia sp. N. Vietnam, Ha Giang prov., Meo Vac distr., vicinities of Meo Vac town (N 23° 10' E 105 ° 24'), 48.2 km to З6 ° of Ha Giang city. Primary evergreen broad-leaved wet closed forest on sandstones at elev. 1200-1400 m a.s.l. Terrestrial forb up to 1 m hg in shady place. Common. No NTH 3390 07 Oct. 1999 Collectors: N.T. Hiep, N.Q. Binh, L. Averyanov, P. Cribb.

FLORA OF VIETNAM Fam. Urticaceae Pellionia sp. N. Vietnam, Ha Giang prov., Meo Vac distr., vicinities of Meo Vac town (N 23° 10' E 105° 24'), 48.2 kre to З6 ° of Ha Giang city. Primary evergreen broad-leaved wet closed forest on sandstones at elev. 1200-1400 m a.s.l. Terrestrial forb up to 1m hg on shady steep slopes. Not common.No NTH 3385 07 Oct. 1999 Collectors: N.T. Hiep, N.Q. Binh, L. Averyanov, P. Cribb.

FLORA OF VIETNAM Fam. Urticaceae Pellionia sp. N. Vietnam, Ha Giang prov., Meo Vac distr., vicinities of Meo Vac town (N 23 ° 10* E 105 °, 24*) 48.2 km to 36 ° of Ha Giang city. Primary evergreen broad-leaved wet closed forest on sandstones at elev. 1300 m a.s.l. Terrestrial forb in open wet slope. Not common. No NTH 3419 07 Oct. 1999 Collectors: N.T. Hiep, N.Q. Binh, L. Averyanov, P. Cribb.

FLORA OF VIETNAM Fam. Urticaceae Pellionia sp. N. Vietnam, Ha Giang prov., Meo Vac distr., vicinities of Meo Vac town (N 23 ° 10' E 105 ° 24'), 48.2 km to З6 ° of Ha Giang city. Primary evergreen broad-leaved wet closed forest on sandstones at elev. 1200-1400 m a.s.l. Terrestrial and lithophyte forb up to 0.8 m hg on shady steep slope. Leaves with wide irregular median whitish stripe. Flowers whitish-green. Common. No NTH 3378 07 Oct. 1999 Collectors: N.T. Hiep, N.Q. Binh, L. Averyanov, P Cribb.

FLORA OF VIETNAM Urticaceae Pelionnia sp. Quang Nam Prov., Dong Giang Distr., Ma Cooih Municipality around point 15°49’07''N 107°39’51”E. Remnants of primary closed evergreen broad-leaved fores on steep slopes composed with shale at elevation 400-500 m a.s.l. Lithophytic herb о wet shady boulders along humid shady stream canyon. Very common. HAL 12078 8 January 2009 Coll.: L.Averyanov, P.K.Loc, P.V.The, N.T.V

FLORA OF VIETNAM Fam. Urticaceae Pellionia sp. N. Vietnam, Lao Cai Prov., Van Ban Distr., Khanh Yen Ha municipality, elevation from Na Nheo village to the S from 680 to 880 m a.s.l. (around point 21°58’28"N, 104°15'52"E). Primary evergreen broad-leaved submontane forest on steep granite and quartzite slopes at elev. 800-880 m a.s.l. Lithophytic herb up to 1 m hg on shady mossy granite boulders. Very common. Usual co-dominant of herb stratum in wet places. No HAL 2312 14 March 2002 Collectors: L.Averyanov, P.K.Loc, D.T.Doan (FFI Project).

FLORA VIETNAMICA

FLORA OF VIETNAM Urticaceae Elatostema balansae Gagnep. Quang Binh Prov., Minh Hoa Distr., Thuong Hoa municipality, environs of Mo O O O village, around point 17°39’21.7”N 105°54’59.5”E. Closed broad-leaved primary forest on very steep rocky slope at middle part of remnant mountain (with summit at about 750 m) composed with highly eroded solid crystalline limestone at elevation about 556 m a.s.l. Lithophytic herb on vertical shady cliffs. Very common. CPC 3819 27 July 2011 Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Vinh.

FLORA OF VIETNAM Fam. Urticaceae Pilea sp. N. Vietnam, Lao Cai Prov., Van Ban Distr., to the west of Nam Xay village (2l°58'42"N, 104°00'37"E). Primary evergreen wet broad-leaved montane forest (on granite and quartzite) with bamboo on lower part of slope along small rocky stream-at elev. 1650 m a.s.l. Lithophytic herb on wet mossy rocks. Very common. Usual co-dominant of riparian herb community. No HAL 2094 06 March 2002 Collectors: L.Averyanov, P.K.Loc, D.T.Doan (FF1 Project).

FLORA OF VIETNAM Fam. Urticaceae Pilea sp. N. Vietnam, Lao Cai Prov., Van Ban Distr., to the west of Nam Xay village (2l°58'42"N, 104°00'37"E). Primary evergreen broad-leaved montane wet forest (on granite and quartzite) with bamboo on lower part of slope along small rocky stream at elev. 1650 m a.s.l. Lithophytic herb on mossy rocks of stream slope. Flowers white. Common. Usual co-dominant of herb stratum in lithophytic herb community on wet stream rocks. No HAL 2072 06 March 2002 Collectors: L.Averyanov, P.K.Loc, D.T.Doan (FFI Project).

FLORA OF VIETNAM Fam. Urticaceae Pilea sp. Vietnam, Ha Giang Prov., Вас Me Distr., Phieng Luong Municipality, around Phieng Luong village about 4 km to SW of Phieng Luong Municipality headquarter 22°39’29” N, 105°19',35” E. Slightly logged primary closed evergreen broad-leaved forest on slopes of remnant mountains composed with olid highly eroded crystalline and partially shale limestone at elev. 1000-1200 n a.s.l. Terrestrial creeping herb on open steep rocky slope. Flowers greenish. Locally common. No HAL 6465 5 March 2005. Collectors: L.Averyanov, P.K.Loc, N.T.Vinh, A.Averyanova.

FLORA OF VIETNAM Fam. Urticaceae Pilea sp. N. Vietnam, Lao Cai Prow, Van Ban Distr., to the west of Nam Xay village (l km to the W of point 2l°59' 00'' N, 104°02'00'' E). Primary broad-leaved wet evergreen montane forest with Fokienia hodginsii (as emergent) on granite and quartzite very steep slopes at eiev. 1500-1650 m a.s.l. Lithophytic herb on wet stream rocks. Not common. No HAL 2215 09 March 2002 Collectors: L.Averyanov, P.K.Loc, D.T.Doan (FFI Project).

FLORA OF VIETNAM Fam. Urticaceae Pilea sp. N.Vietnam, Bac Kan Prov., Cho Don Distr., Ban Thi Municipality, village Phia Khao, around point 22°15'52''N, 105°32'01''E at elevation 800-900 m a.s.l. (Po Luong mountain). Primary broad-leaved evergreen closed forest on very steep slopes and cliffs near and on tops of rocky ridge composed with solid marble-like stratified limestone. Lithophyte on vertical shady cliffs. Very common. No HAL 4723 21 May 2004 Collectors: L.Averyanov, N.T.Hiep, P.V.The, N.T.Vinh.

FLORA OF VIETNAM Fam. Urticaceae Pilea sp. Vietnam, Lang Son Prov., Вас Son Distr., Tan Tri Municipality, around Na Mau village, Khau Kieng ridge composed with shale. Deeply degraded remnants o f primary and secondary broadleaved evergreen wet forest with bamboo at elevation 800-1100 m a.s.l. Terrestrial herb on shady rocky slope. Flowers light green with dirty purple tint. Very common. No HAL 6784 15 March 2005. Collectors: L.Averyanov, N .T.H iep, P.V.The, A.Averyanova.

FLORA OF VIETNAM Fam. Urticaceae Pilea sp. Vietnam, Lang Son Prov., Вас Son Distr., Tan Tri Municipality, around Na Mau village. Highly degraded primary and secondary broad-leaved evergreen forest on very steep slopes and along tops of ridge composed with solid highly eroded crystalline gray marble-like limestone at elevation about 500-600 m a.s.l. Lithophytic herb on open mossy rocks. Flowers reddish, leaves deep green above. Common. No HAL 6710 14 March 2005. Collectors: L.Averyanov, N.T.Hiep, P.V.The, A.Averyanova.

FLORA OF VIETNAM Urticaceae Pellea sp. Son La Prov., Moc Chau Distr., Van Ho Municipality, Hua Tat village, around point 20°46 ' 16’' ,N 104°47'44"E. Broad-leaved evergreen forest with Pinus kwangtungensis and Podocarpus pilgeri on tops of ridge composed w ith rocky crystalline solid marblelike highly eroded limestone at elev. 1200-1350 m a.s.l. Terrestrial and lithophytic herb on shady slope. Locally common. HAL 9387 29 Oct. 2006 Coll.: N.T.Hiep, L.Averyanov, P.V.The.

FLORA OF VIETNAM Urticaceae Pilea sp. Quang Tri Prov., Huong Hoa Distr., Huong Viet municipality around point 16°51’06 ''N 106°34’38”E. Partially destroyed primary broadleaved evergreen forest on very steep rocky slopes of remnant hills composed with solid highly eroded crystalline limestone at elev. about 600-700 m a.s.l. Terrestrial and lithophytic creeping herb on shady rocky slope. Common. CPC 2954 8 May 2011 Coll.: L.Averyanov, P.K.Loc, N.Q.Hieu, P.V.The, N.T.Vinh.

FLORA OF VIETNAM Fam. Urticaceae Pilea sp. N. Vietnam, Lao Cai Prov., Van Ban Distr., to the west of Nam Xay village (21°58'42"N, 104°00'37"E). Primary evergreen broad-leaved montane wet forest (on granite and quartzite) with bamboo on lower part of slope along small rocky stream at elev. 1650 m a.s.l. Lithophytic herb on wet mossy river rocks. Flowers white. Very common. No HAL 2088 06 March 2002 Collectors: L.Averyanov, P.K.Loc, D.T.Doan (FF1 Project).

FLORA OF VIETNAM Urticaceae Pilea sp. Quang Tri Prov., Huong Hoa Distr., Huong Viet municipality around point 16 °51 '06”N 106°34’38”E. Partially destroyed primary broadleaved evergreen forest on very steep rocky slopes of remnant hills composed with solid highly eroded crystalline limestone at elev. about 600-700 m a.s.l. Terrestrial herb to 0.5 m tall in shady places. Flowers whitish. Common. CPC 2815 7 May 2011 Coll.: L.Averyanov, P.K.Loc, N.Q.Hieu, P.V.The, N.T.Vinh.

FLORA OF VIETNAM Fam. Urticaceae Pilea sp. N. Vietnam, Lao Cai Prov., Van Ban Distr.,Khanh Yen Ha municipality, to the SW of Na Nheo village (in the vicinity of point 21°57'59"N, 104°14'06"E). Primary evergreen broad-leaved montane forest with Fokienia hodginsii (as emergent) along granite and quartzite slopes at elev. 1800 m a.s.l. Terrestrial and lithophytic herb up to 0.5 m hg in wet open place along stream. Flowers reddish- pink. Very common. Usual co-dominant of herb riparian community. No HAL 2619 21 March 2002 Collectors: L.Averyanov, P.K.Loc, D.T.Doan (FFI Project).

FLORA OF VIETNAM Urticaceae Pilea sp. Quang Tri Prov., Huong Hoa Distr., Huong Viet municipality around point 16°51 '06”N 106°34 '38”E. Partially destroyed primary broadleaved evergreen forest on very steep rocky slopes of remnant hills composed with solid highly eroded crystalline limestone at elev. about 600-700 m a.s.l. Terrestrial herb to 0.5 m tall on rocky top olimestone hill. Leaves dark purple-brownish. Occasional. CPC 2876 7 May 2011 Coll.: L.Averyanov, P.K.Loc, N.Q.Hieu, P.V.The, N.T.Vinh

FLORA OF VIETNAM Fam. Urticaceae Pilea sp. Vietnam, Ha Giang Prov., Вас Me Distr., Phieng Luong Municipality, ab( 1.5 km to SW of Phieng Luong Municipality headquarter (22°39,29,'N. 105°19’35” E). Heavily logged primary closed evergreen broad-leaved for > along rocky streamlet valley at the base of steep slopes of mountains composed with solid highly eroded crystalline and partially shale limestont elev. about 900 m a.s.l. Terrestrial herb up to 0.5 m tall on shady wet slop Flowers pink. Locally very common. No HAL 6540 6 March 2005. Collectors: L.Averyanov, P.K.Loc, N.T.Vinh, A.Averyanova

FLORA OF VIETNAM Urticaceae Pilea chunii? Son La Prov., Yen Chau Distr., Muong Lum Municipality, Na Hat village around point 21°00’35”N 104°29, 06” E. Primary coniferous forest with Pinus kwangtungensis and Calocedrus rupestris on very steep rocky slopes of remnant mountain composed with highly eroded solid limestone at elevation 1000-1150 m a.l. Lithophytic herb to 0.4 m tall on shady rocki ckiff.Locally common CPC 1851 1 April 2011 Coll. L.Averyanov, N.T.Hiep, T.B.Ngan

FLORA OF LAOS Urticaceae Pilea sp.nov.? (“scolopendria major”) Vientiane Prov., Kasi Distr., Tam Tai village, about 10 km to the NW of Kasi town (19°12’57”N 102°14’59”E). Remnants of primary and secondary broad-leaved evergreen forest on very steep rocky slopes of remnant mountain composed with highly eroded solid crystalline limestone at elevation 500-650 m. Lithophytic clustering herb on shady vertical cliffs. Locally very common. LA-VN 731 24 March 2013 Coll.: L.Averyanov, N.S.Khang, S.Lorphengsy

FLORA OF VIETNAM Urticaceae Pilea sp. Quang Binh Prov., Minh Hoa Distr., Dan Hoa Municipality, Giang Man Ridge (Vietnam-Laos border) near Cha Lo Vietnam-Lao border gate around point 17°41° 50’'N 105°45’54”E. Primary evergreen broad-leaved and coniferous (with Dacrycarpus and Fokienia) wet forest along ridge edge composed with shale and ;andstone at elevation about 900-1100 m a.s.l. Terrestrial and lithophytic herb on wet mossy stream rocks. Flowers light green. Common. HAL 12412 8 February 2009 Coll.: L.Averyanov, P.K.Loc, N.T.Vinh, L.T.Son.

FLORA OF VIETNAM Urticaceae Pilea sp.? Quang Binh Prov., Minh Hoa Distr., Dan Hoa Municipality, Giang Man Ridge (Vietnam-Laos border) near Cha Lo Vietnam-Lao border gate around point 17°41’50”N 105°45’54”E. Primary evergreen broad-leaved and coniferous (with Dacrycarpus and Fokienia) wet forest along ridge edge composed with shale and sandstone at elevation about 900-1100 m a.s.l. Terrestrial and lithophytic herb on we mossy stream rocks. Flowers light green. Common. HAL 12410 8 February 2009 Coll.: L.Averyanov, P.K.Loc, N.T.Vinh, L.T.Son.

FLORA OF VIETNAM Urticaceae Pilea sp. Quang Binh Prov., Minh Hoa Distr., Dan Hoa Municipality, Giang Man Ridge (Vietnam-Laos border) near Cha Lo Vietnam-Lao border gate around point 17°41 ’50”N 105°45’54”E. Primary evergreen broad-leaved wet forest on very steep mountain slopes and cliffs composed with shale and sandstone at elevation about 800- MO m a.s.l. Lithophytic creeping herb on large shady mossy boulders. Flowers white to greenish. Very common. HAL 12250 5 February 2009 Coll.: L.Averyanov, P.K.Loc, N.T.Vinh, L.T.Son.