Luang Prabang prov., Pon Xay distr., between Houay Man and Nam Bo villages, Phou Hua Ben Toc Mountain, around point 19°57′33.1′'N 102°25′25.8′'E. Degraded primary evergreen and semideciduous forest on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 500-650 m a.s.l. Shrub or treelet 4-6 m tall on steep rocky shady slope. Flower buds light yellowish-green. Not rare. LA-VN 2121 5 April 2017 Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.Maisak, Vichith Lamxay, Koudkeo Phommachanh, Phizar Sayalath, Keooudone Souvannakhoummane.
Coordinates (geographic position):19° 57′ 33.1″ N, 102° 25′ 25.8″ E ±1000 mRecord creation: 2021-12-02, Tatiana Maisak, PhotoScan D2Citation: Specimen LE 01077740 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01077740
Luang Prabang prov., Pon Xay distr., along the way to Bane Phou Souong village, Pha Hiua Bin Toc Mountain, around point 19°57′37.0′'N 102°25′03.0′'E. Degraded primary evergreen and semideciduous forest on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 600-850 m a.s.l. Treelet 4-5 m tall on shady rocky slope. Flowers light yellow. Not rare. LA-VN 2148 5 April 2017 Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.Maisak, Vichith Lamxay, Koudkeo Phommachanh, Phizar Sayalath, Keooudone Souvannakhoummane.
Coordinates (geographic position):19° 57′ 37″ N, 102° 25′ 3″ E ±1000 mRecord creation: 2021-12-02, Tatiana Maisak, PhotoScan D2Citation: Specimen LE 01077739 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01077739
Luang Prabang prov., Ngoy distr., Ngoy village, around point 20°42′52.9′'N 102°41′15.5′'E. Remnants of primary evergreen forest on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 800-900 m a.s.l. Treelet 3-4 m tall on steep rocky slope. Flowers light yellowish. Not common. LA-VN 1961 1 April 2017 Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.Maisak, Vichith Lamxay, Koudkeo Phommachanh, Phizar Sayalath, Keooudone Souvannakhoummane.
Coordinates (geographic position):20° 42′ 52.9″ N, 102° 41′ 15.5″ E ±1000 mRecord creation: 2021-12-02, Tatiana Maisak, PhotoScan D2Citation: Specimen LE 01077738 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01077738
Luang Prabang prov., Ngoy distr., Nong Khiew village, Pha Deng Mountain around point 20°34′14.3′'N 102°37′31.8′'E. Secondary semideciduous and evergreen dry forest on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 700-825 m a.s.l. Shrub or treelet 4-6 m tall on steep rocky shady slope. Flower buds light yellowish-green. Occasional. LA-VN 1905 31 March 2017 Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.Maisak, Vichith Lamxay, Koudkeo Phommachanh, Phizar Sayalath, Keooudone Souvannakhoummane.
Coordinates (geographic position):20° 34′ 14.3″ N, 102° 37′ 31.8″ E ±1000 mRecord creation: 2021-12-02, Tatiana Maisak, PhotoScan D2Citation: Specimen LE 01077737 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01077737
Son La Prov., Moc Chau Distr., Chieng Son comm., about 1 km to NE from Chieng Son village, around point 20°46′02.0N 104°37′03.1E. Remnants of primary broad-leaved evergreen forest on tops of hills composed with karstic highly eroded yellow-white limestone at elevation 1100-1050 m a.s.l. Tree 12-14 m tall on very steep rocky slope. Rare. One plant seen. 29 September 2016 CPC 8118 Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.V.Maisak, N.T.Son.
Coordinates (geographic position):20° 46′ 2″ N, 104° 37′ 3.1″ E ±1000 mRecord creation: 2021-12-02, Tatiana Maisak, PhotoScan D2Citation: Specimen LE 01077736 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01077736
Pinaceae Pinus cernua P.K.Loc ex Aver., K.S.Nguyen & T.H.Nguyen
Son La Prov., Moc Chau Distr., Chieng Son comm., Pha Luong village, Pha Luong Mountain system. Primary broad-leaved evergreen forest with bamboo on eroded red-brown sandstone near mountain top at elevation 1425 m a.s.l. around point 20°41′30.9N 104°38′08.9E. Tree. Rare. Only 3 trees were found. 25 September 2016 CPC 8022 Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.V.Maisak, N.T.Son.
Coordinates (geographic position):20° 41′ 30.9″ N, 104° 38′ 8.9″ E ±1000 mRecord creation: 2021-12-02, Tatiana Maisak, PhotoScan D2Citation: Specimen LE 01077735 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01077735
Pinaceae Pinus cernua P.K.Loc ex Aver., K.S.Nguyen & T.H.Nguyen
Son La Prov., Moc Chau Distr., Chieng Son comm., Pha Luong village, Pha Luong Mountain system. Primary broad-leaved evergreen forest with bamboo on eroded red-brown sandstone near mountain top at elevation 1425 m a.s.l. around point 20°41′30.9N 104°38′08.9E. Tree. Rare. Only 3 trees were found. 25 September 2016 CPC 8022 Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.V.Maisak, N.T.Son.
Coordinates (geographic position):20° 41′ 30.9″ N, 104° 38′ 8.9″ E ±1000 mRecord creation: 2021-12-02, Tatiana Maisak, PhotoScan D2Citation: Specimen LE 01077733 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01077733
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 herb on mossy rocks on mountain top. Very common. LA-VN 1453 12 April 2015 Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.
Coordinates (geographic position):20° 9′ 52.6″ N, 103° 10′ 19.4″ E ±1000 mRecord creation: 2021-12-02, Tatiana Maisak, PhotoScan D2Citation: Specimen LE 01077732 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01077732
Son La Prov., Van Ho Distr., Van Ho comm., Hua Tat village, around point 20°46′21.7N 104°47′47.5E. Remnants of primary evergreen broad-leaved and mixed forest (with Pinus wangii) on very steep rocky slopes and on mountain tops composed with highly eroded karstic light gray marble-like limestone at elevation 1300-1350 m a.s.l. Tree 8-10 m tall on rocky mountain top. Not rare. 2 October 2016 CPC 8234 Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.V.Maisak, N.T.Son.
Coordinates (geographic position):20° 46′ 21.7″ N, 104° 47′ 47.5″ E ±1000 mRecord creation: 2021-12-02, Tatiana Maisak, PhotoScan D2Citation: Specimen LE 01077731 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01077731
Son La Prov., Moc Chau Distr., Chieng Son comm., about 1 km to NE from Chieng Son Village, around point 20°46′02.0N 104°37′03.1E. Remnants of primary broad-leaved evergreen forest on tops of hills composed with karstic highly eroded yellow-white limestone at elevation 1150-1250 m a.s.l. Tree 4-6 m tall on mountain top. Not common. 27 September 2016 CPC 8062 Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.V.Maisak, N.T.Son.
Coordinates (geographic position):20° 46′ 2″ N, 104° 37′ 3.1″ E ±1000 mRecord creation: 2021-12-02, Tatiana Maisak, PhotoScan D2Citation: Specimen LE 01077730 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01077730
Podocarpaceae Dacrycarpus imbricatus (Blume) de Laub.
Son La Prov., Moc Chau Distr., Chieng Son comm., Pha Luong village, Pha Luong Mountain system. Primary broad-leaved evergreen forest with bamboo on eroded red-brown sandstone near mountain top at elevation 1425 m a.s.l. around point 20°41′30.9N 104°38′08.9E. Tree. Not common. 25 September 2016 CPC 8027 Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.V.Maisak, N.T.Son.
Coordinates (geographic position):20° 41′ 30.9″ N, 104° 38′ 8.9″ E ±1000 mRecord creation: 2021-12-02, Tatiana Maisak, PhotoScan D2Citation: Specimen LE 01077729 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01077729
Coll. Luong Ngoc Toan, Avrorin, Nikolay Alexandrovich,
04.06.1963
Record creation: 2021-12-02, Tatiana Maisak, PhotoScan D2Citation: Specimen LE 01077728 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01077728
Coll. Luong Ngoc Toan, Avrorin, Nikolay Alexandrovich.
04.06.1963
Record creation: 2021-12-02, Tatiana Maisak, PhotoScan D2Citation: Specimen LE 01077727 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01077727
N. Vietnam, Prov. Quang Binh, distr. Minh Hoa, 72 km to NWW from Dong Hoi, municipalite Thong Hoa, vicinities of Yen Son village, limestone massif Ke Bang (N 17°40′ E 105°57′). Primary evergreen broadleaved forest on steep slopes and bluffs of limestone mesas at 200-250 m alt. Terrestrial and epilitic herb up to 0.3 m hg on wet open limestone bluffs. Flowers yellow. Not rare. VH 4573 15.05.1997 International Botanical Expedition of the U.S.A. National Geographic Society (grant No 5803-96) Collectors: L. Averyanov, N.T. Hiep, P.K. Loc
Coordinates (geographic position):17° 40′ N, 105° 57′ E ±1000 mRecord creation: 2021-12-02, Tatiana Maisak, PhotoScan D2Citation: Specimen LE 01077726 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01077726