Herbarium LE - Specimens

China

Yunnan Province, Dehong Prefecture, Mang City,Mengga Town, Heihe Laopo

22 June 2023

(photo record)

Bac Kan Province, Ba Be District, Ba Be National Park. Dry evergreen broad-leaved secondary forest on steep rocky slopes composed by white crystalline marble-like highly eroded limestone near Dau Dang Waterfall of Nang River around point 22º27’09’’N 105º34’16’E at elev. of about 150 m a.s.l.

19 October 2023, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, Nguyen Van Ly, T. Maisak; Nguyen Van Ly 20231020 054.

Bac Kan Province, Ba Be District, Nam Mau Commune, Nam Dai Village. Dry evergreen broad-leaved forest on steep rocky slopes composed by white to gray crystalline marble-like limestone around point 22º25’20’’N 105º35’03’E at elev. of about 650 m a.s.l.

18 October 2023. Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, Nguyen Van Ly, T. Maisak; Nguyen Van Ly 20231018 019.

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.

30 October 2023, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, Nguyen Van Ly, T. Maisak; Nguyen Van Ly 20231030 190.

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.

30 October 2023, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, Nguyen Van Ly, T. Maisak; Nguyen Van Ly 20231030 188.

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.

30 October 2023, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, Nguyen Van Ly, T. Maisak; Nguyen Van Ly 20231030 180.

Moraceae

Ficus sp.

Dak Lak Province, Lac District, southern part of Nam Kar Nature Reserve around point 12º16’10’’N 108º05’24’’E at elevations of about 600 m a.s.l. Open steep rocky slope in secondary evergreen broad-leaved forest with bamboo along road.

Tree about 10 m tall among large rocks. Syconia dull yellowish. Not common.

05 November 2023, L. Averyanov, Nguyen Van Canh, T. Maisak, AL2484.

Myrtaceae

Syzigium sp.

Kon Tum Province, Kon Plong District, Kon Chu Rang Nature Reserve near Mang Den Town. around point 14º602000 N 108º298525 E. Primary evergreen mixed and coniferous forest on granite with Dacrycarpus and Dacrydium at elevation about 1200 m a.s.l. Shrub or treelet to 3 m tall on top of ridge. Fruits blue to black, edible. Common.

22 November 2023, L. Averyanov, Nguyen Van Canh, T. Maisak, AL2763.

Myrsinaceae

Embelia ribes Burm.f.

Bac Kan Province, Ba Be District, Ba Be National Park. Dry evergreen broad-leaved secondary forest on very steep rocky slopes composed by white crystalline marble-like highly eroded limestone along lake shore on point 22º24’58’’N 105º36’48’E at elev. of about 250 m a.s.l. Treelet to 4 m tall with pendulous branches on vertical cliff. Fruits red, later white, juicy. Not rare.

29 October 2023, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, Nguyen Van Ly, T. Maisak, AL2360.

Myricaceae

Myrica esculenta Buch.-Ham. ex D.Don

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. Open grassy Pinus kesiya forest and woodlands at elevation about 1900 m a.s.l. Tree 4-6 m tall. Very common.

08 November 2023, L. Averyanov, Nguyen Van Canh, Truong Ba Vuong, T. Maisak, AL2523a (BD 030a), female specimen.

Myricaceae

Myrica esculenta Buch.-Ham. ex D.Don

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. Open grassy Pinus kesiya forest and woodlands at elevation about 1900 m a.s.l. Tree 4-6 m tall. Very common.

08 November 2023, L. Averyanov, Nguyen Van Canh, Truong Ba Vuong, T. Maisak, AL2523b (BD 030b), male specimen.

Myrsinaceae

Ardisia phankelociana C.M. Hu & G. Hao

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. Erect shrub to 1.5 m tall in shady rocky place. Not common.

30 October 2023, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, Nguyen Van Ly, T. Maisak, AL2396.

Ophioglossaceae

Botrychium virginianum (L.) Sw.

Lam Dong Province, Di Linh District, Brah Yang Mountain, primary and old secondary evergreen broad-leaved and mixed forest (with Pinus khasya) on granite around point 11º27.669ʹ N 108º03.543ʹ E at elevation of 1100-1200 m a.s.l. Erect terrestrial fern to 30 cm tall on shady rocky slope. Occasional.

13 November 2023, L. Averyanov, Nguyen Van Canh, T. Maisak, AL2670.

Orobanchaceae

Aeginetia indica L.

Bac Kan Province, Ba Be District, Nam Mau Commune, Nam Dai Village. Dry evergreen broad-leaved forest on steep rocky slopes composed by white to gray crystalline marble-like limestone around point 22º25’20’’N 105º35’03’E at elev. of about 650 m a.s.l. Erect achlorophyllous herb. Flowers purple violet. Rare.

18 October 2023. Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, Nguyen Van Ly, T. Maisak, AL2300.

Orobanchaceae

Aeginetia indica L.

Dak Lak Province, Lac District, southern part of Nam Kar Nature Reserve around point 12º16’10’’N 108º05’24’’E at elevations of about 600 m a.s.l. Open steep rocky slope in secondary evergreen broad-leaved forest with bamboo along road.

Parasitic achlorophyllous herb to 25 cm tall on rhizome of Globba sp. (Zingiberaceae). Flower buds dark violet. Not common.

05 November 2023, L. Averyanov, Nguyen Van Canh, T. Maisak, AL2482.

Piperaceae

Piper sp.

Bac Kan Province, Ba Be District, Nam Mau Commune, Nam Dai Village. Dry evergreen broad-leaved forest on steep rocky slopes composed by white to gray crystalline marble-like limestone around point 22º25’20’’N 105º35’03’E at elev. of about 650 m a.s.l. Herbaceous vine on shady humid valley between limestone hills. Not common.

18 October 2023. Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, Nguyen Van Ly, T. Maisak, AL2282.

Piperaceae

Piper sp.

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 on steep granite slopes at elevation 2000–2200 m a.s.l. Creeping epiphytic vine to 3 m long. Ripe fruits black. Occasional.

08 November 2023, L. Averyanov, Nguyen Van Canh, Truong Ba Vuong, T. Maisak, AL2536 (BD 043).

Piperaceae

Piper sp.

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 on steep granite slopes at elevation about 2000 m a.s.l. Creeping vine to 3 m long. Ripe fruits black. Not rare.

08 November 2023, L. Averyanov, Nguyen Van Canh, Truong Ba Vuong, T. Maisak, AL2512 (BD 019).

Plumbaginaceae

Plumbago indica L.

Bac Kan Province, Ba Be District, Ba Be National Park. Dry evergreen broad-leaved secondary forest on steep rocky slopes composed by white crystalline marble-like highly eroded limestone near Dau Dang Waterfall of Nang River around point 22º27’09’’N 105º34’16’E at elev. of about 150 m a.s.l. Terrestrial erect herb or undershrub to 1.5 m tall in open place. Flowers white. Not common.

20 October 2023, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, Nguyen Van Ly, T. Maisak, AL2324.

Podocarpaceae

Dacrycarpus imbricatus (Blume) de Laub.

Lam Dong Province, Di Linh District, Brah Yang Mountain, primary and old secondary evergreen broad-leaved and mixed forest (with Pinus khasya) on granite around point 11º27.669ʹ N 108º03.543ʹ E at elevation of 1100-1200 m a.s.l. Treelet 1.5-2 m tall on shady rocky slope. Not rare.

13 November 2023, L. Averyanov, Nguyen Van Canh, T. Maisak, AL2669.

Podocarpaceae

Dacrydium elatum (Roxb.) Wall. ex Loudon

Kon Tum Province, Kon Plong District, Kon Chu Rang Nature Reserve near Mang Den Town. around point 14º602000 N 108º298525 E. Primary evergreen mixed and coniferous forest on granite with Dacrycarpus and Dacrydium at elevation about 1200 m a.s.l. Tree to 30 m tall. Common. Main co-dominant of the forest.

22 November 2023, L. Averyanov, Nguyen Van Canh, T. Maisak, AL2762.

Podocarpaceae

Dacrycarpus imbricatus (Blume) de Laub.

Gia Lai Province, G’Bang District, Kon Chu Rang Nature Reserve, around point 14º30.324´ N 108º29.762´ E. Primary evergreen broad-leaved forest with Dacrycarpus and Dacrydium at elevation about 1000 m a.s.l. Tree to 30 m tall and to 0.6 m d.b.h. Common co-dominant of the first canopy stratum.

21 November 2023, L. Averyanov, Nguyen Van Canh, T. Maisak, AL2728.

Podocarpaceae

Dacrycarpus imbricatus (Blume) de Laub.

Gia Lai Province, G’Bang District, Kon Chu Rang Nature Reserve, around point 14º30.324´ N 108º29.762´ E. Primary evergreen broad-leaved forest with Dacrycarpus and Dacrydium at elevation about 1000 m a.s.l. Tree to 30 m tall and to 0.6 m d.b.h. Common co-dominant of the first canopy stratum.

21 November 2023, L. Averyanov, Nguyen Van Canh, T. Maisak, AL2728.

Podocarpaceae

Dacrydium elatum (Roxb.) Wall. ex Loudon

Gia Lai Province, G’Bang District, Kon Chu Rang Nature Reserve, around point 14º30.324´ N 108º29.762´ E. Primary evergreen broad-leaved forest with Dacrycarpus and Dacrydium at elevation about 1000 m a.s.l. Tree to 30 m tall and to 0.6 m d.b.h. Common co-dominant of the first canopy stratum.

21 November 2023, L. Averyanov, Nguyen Van Canh, T. Maisak, AL2729.

Podocarpaceae

Nageia wallichiana (C.Presl) Kuntze

Gia Lai Province, G’Bang District, Kon Chu Rang Nature Reserve, around point 14º30.324´ N 108º29.762´ E. Primary evergreen broad-leaved forest with Dacrycarpus and Dacrydium at elevation about 1000 m a.s.l. Treelet 1.5-2 m tall in shady place. Not common.

21 November 2023, L. Averyanov, Nguyen Van Canh, T. Maisak, AL2730.

Podocarpaceae

Podocarpus neriifolius D.Don

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 on steep granite slopes at elevation about 1900 m a.s.l. Treelet about 2 m tall. Very common.

08 November 2023, L. Averyanov, Nguyen Van Canh, Truong Ba Vuong, T. Maisak, AL2510 (BD 017).

Polypodiaceae s.l.

Thelypteris sp.?

Bac Kan Province, Ba Be District, Nam Mau Commune, Nam Dai Village. Dry evergreen broad-leaved forest on steep rocky slopes composed by white to gray crystalline marble-like limestone around point 22º25’20’’N 105º35’03’E at elev. of about 650 m a.s.l. Terrestrial fern with fronds to 1.2 m long in humid valley between limestone hills. Locally very common.

18 October 2023. Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, Nguyen Van Ly, T. Maisak, AL2278.

Polypodiaceae s.l.

Asplenium prolongatum Hook.

Bac Kan Province, Ba Be District, Ba Be National Park. Dry evergreen broad-leaved secondary forest on cliffs composed by white crystalline marble-like highly eroded limestone along lake shore on point 22º24’58’’N 105º36’48’E at elev. of about 160 m a.s.l. Lithophytic fern on shady cliff. Not common.

21 October 2023, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, Nguyen Van Ly, T. Maisak, AL2350.

Polypodiaceae s.l.

Microsorum sp.?

Bac Kan Province, Ba Be District, Nam Mau Commune, Nam Dai Village. Dry evergreen broad-leaved forest on steep rocky slopes composed by white to gray crystalline marble-like limestone around point 22º25’20’’N 105º35’03’E at elev. of about 650 m a.s.l. Lithophytic fern with fronds to 1 m long in humid valley between limestone hills. Common.

18 October 2023. Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, Nguyen Van Ly, T. Maisak, AL2274.

Polypodiaceae s.l.

Scleroglossum pusillum (Blume) Alderw.

Kon Tum Province, Kon Plong District, Kon Chu Rang Nature Reserve near Mang Den Town. around point 14º602000 N 108º298525 E. Primary evergreen mixed and coniferous forest on granite with Dacrycarpus and Dacrydium at elevation about 1200 m a.s.l. Clustering epiphyte on tall tree. Common.

22 November 2023, L. Averyanov, Nguyen Van Canh, T. Maisak, AL2750.

Polypodiaceae s.l.

Vittaria sp.

Lam Dong Province, Bao Loc town, evergreen forest at elevation of about 600 m a.s.l., living plant collected in October 2023 by Nguyen Van Canh.

Herbarium collected in Nguyen Van Canh Garden at 3 November, by Nguyen Van Canh, L. Averyanov, T. Maisak, AL2434.

Polypodiaceae s.l.

Lepisorus sp. s.l.

Kon Tum Province, Kon Plong District, Kon Chu Rang Nature Reserve near Mang Den Town. around point 14º602000 N 108º298525 E. Primary evergreen mixed and coniferous forest on granite with Dacrycarpus and Dacrydium at elevation about 1200 m a.s.l. Creeping epiphyte on mossy tree on top of ridge. Not rare.

22 November 2023, L. Averyanov, Nguyen Van Canh, T. Maisak, AL2759.

Polygalaceae

Polygala sp.

Kon Tum Province, Kon Plong District, Kon Chu Rang Nature Reserve near Mang Den Town. around point 14º602000 N 108º298525 E. Primary evergreen mixed and coniferous forest on granite with Dacrycarpus and Dacrydium at elevation about 1200 m a.s.l. Shrub to 2 m tall on top of ridge. Flowers yellowish with pink lip. Not rare.

22 November 2023, L. Averyanov, Nguyen Van Canh, T. Maisak, AL2760.

Polypodiaceae s.l.

Microsorum sp.?

Bac Kan Province, Ba Be District, Ba Be National Park. Dry evergreen broad-leaved secondary forest on cliffs composed by white crystalline marble-like highly eroded limestone along lake shore on point 22º24’58’’N 105º36’48’E at elev. of about 160 m a.s.l. Lithophytic creeping fern with fronds to 0.8 m long on exposed steep cliff. Not rare.

21 October 2023, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, Nguyen Van Ly, T. Maisak, AL2348.

Polypodiaceae s.l.

Microsorum sp.?

Bac Kan Province, Ba Be District, Ba Be National Park. Dry evergreen broad-leaved secondary forest on cliffs composed by white crystalline marble-like highly eroded limestone along lake shore on point 22º24’58’’N 105º36’48’E at elev. of about 160 m a.s.l. Lithophytic creeping fern with fronds to 1.2 m long on exposed steep cliff. Not rare.

21 October 2023, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, Nguyen Van Ly, T. Maisak, AL2347.

Polypodiaceae s.l.

Tectaria sp.

Bac Kan Province, Ba Be District, Ba Be National Park. Dry evergreen broad-leaved secondary forest on cliffs composed by white crystalline marble-like highly eroded limestone along lake shore on point 22º24’58’’N 105º36’48’E at elev. of about 160 m a.s.l. Terrestrial fern with fronds to 0. 6 m tall on steep shady slope among rocks. Locally very common.

21 October 2023, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, Nguyen Van Ly, T. Maisak, AL2354.

Adiantaceae

Adiantum caudatum L.

Bac Kan Province, Ba Be District, Ba Be National Park. Dry evergreen broad-leaved secondary forest on cliffs composed by white crystalline marble-like highly eroded limestone along lake shore on point 22º24’58’’N 105º36’48’E at elev. of about 160 m a.s.l. Terrestrial fern on steep shady slope among rocks. Locally common.

21 October 2023, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, Nguyen Van Ly, T. Maisak, AL2353.

Podocarpaceae

Nageia wallichiana (C.Presl) Kuntze

Lam Dong Province, Di Linh District, Brah Yang Mountain, primary and old secondary evergreen broad-leaved and mixed forest (with Pinus khasya) on granite around point 11º27.669ʹ N 108º03.543ʹ E at elevation of 1100-1200 m a.s.l. Treelet 1.5-2 m tall on shady rocky slope. Not rare.

13 November 2023, L. Averyanov, Nguyen Van Canh, T. Maisak, AL2668.

Podocarpaceae

Dacrycarpus imbricatus (Blume) de Laub.

Lam Dong Province, Di Linh District, Brah Yang Mountain, primary and old secondary evergreen broad-leaved and mixed forest (with Pinus khasya) on granite around point 11º27.669ʹ N 108º03.543ʹ E at elevation of 1000-1100 m a.s.l. Tree about 25 m tall and 0.8 m DBH. Occasional.

14 November 2023, L. Averyanov, Nguyen Van Canh, T. Maisak, AL2686.

Polypodiaceae s.l.

Stenochlaena palustris (Burm.f.) Bedd.

Lam Dong Province, Di Linh District, Brah Yang Mountain, primary and old secondary evergreen broad-leaved and mixed forest (with Pinus khasya) on granite around point 11º27.669ʹ N 108º03.543ʹ E at elevation of 1000-1100 m a.s.l. Creeping epiphytic vine to 10 m long on shady rocky slope along stream. Locally common.

14 November 2023, L. Averyanov, Nguyen Van Canh, T. Maisak, AL2694.

Polypodiaceae s.l.

Stenochlaena palustris (Burm.f.) Bedd.

Lam Dong Province, Di Linh District, Brah Yang Mountain, primary and old secondary evergreen broad-leaved and mixed forest (with Pinus khasya) on granite around point 11º27.669ʹ N 108º03.543ʹ E at elevation of 1000-1100 m a.s.l. Creeping epiphytic vine to 10 m long on shady rocky slope along stream. Locally common.

14 November 2023, L. Averyanov, Nguyen Van Canh, T. Maisak, AL2694.

Polypodoaceae s.l.

Tectaria sp.

Bac Kan Province, Ba Be District, Ba Be National Park. Dry evergreen broad-leaved secondary forest on steep rocky slopes composed by white crystalline marble-like highly eroded limestone near Dau Dang Waterfall of Nang River around point 22º27’09’’N 105º34’16’E at elev. of about 150 m a.s.l. Terrestrial fern with erect fronds to 1 m tall in shady place. Common.

20 October 2023, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, Nguyen Van Ly, T. Maisak, AL2325.

Zingiberaceae

Globba sp.

Bac Kan Province, Ba Be District, Ba Be National Park. Dry evergreen broad-leaved secondary forest on steep rocky slopes composed by white crystalline marble-like highly eroded limestone near Dau Dang Waterfall of Nang River around point 22º27’09’’N 105º34’16’E at elev. of about 150 m a.s.l. Terrestrial erect herb to 0.6 m tall in shady place. Old flowers yellow, seeds white. Locally common.

20 October 2023, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, Nguyen Van Ly, T. Maisak, AL2327.

Polypodoaceae s.l.

Tectaria sp.

Bac Kan Province, Ba Be District, Ba Be National Park. Dry evergreen broad-leaved secondary forest on steep rocky slopes composed by white crystalline marble-like highly eroded limestone near Dau Dang Waterfall of Nang River around point 22º27’09’’N 105º34’16’E at elev. of about 150 m a.s.l. Terrestrial fern with erect fronds to 1 m tall in shady place. Common.

20 October 2023, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, Nguyen Van Ly, T. Maisak, AL2326.

Polypodoaceae s.l.

Tectaria sp.

Bac Kan Province, Ba Be District, Ba Be National Park. Dry evergreen broad-leaved secondary forest on steep rocky slopes composed by white crystalline marble-like highly eroded limestone near Dau Dang Waterfall of Nang River around point 22º27’09’’N 105º34’16’E at elev. of about 150 m a.s.l. Terrestrial fern with erect fronds to 1 m tall in shady place. Common.

20 October 2023, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, Nguyen Van Ly, T. Maisak, AL2326.

Polypodoaceae

Tectaria sp.?

Bac Kan Province, Ba Be District, Ba Be National Park. Dry evergreen broad-leaved secondary forest on very steep rocky slopes composed by white crystalline marble-like highly eroded limestone along lake shore on point 22º24’58’’N 105º36’48’E at elev. of about 250 m a.s.l. Lithophytic fern on vertical exposed rocks. Common.

29 October 2023, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, Nguyen Van Ly, T. Maisak, AL2359.

Polypodoaceae

Tectaria sp.?

Bac Kan Province, Ba Be District, Ba Be National Park. Dry evergreen broad-leaved secondary forest on very steep rocky slopes composed by white crystalline marble-like highly eroded limestone along lake shore on point 22º24’58’’N 105º36’48’E at elev. of about 250 m a.s.l. Lithophytic fern on vertical exposed rocks. Common.

29 October 2023, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, Nguyen Van Ly, T. Maisak, AL2359.

Polypodiaceae s.l.

Thelipteris sp.?

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. Terrestrial fern in shady rocky place. Locally common.

30 October 2023, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, Nguyen Van Ly, T. Maisak, AL2392.

Polypodiaceae

Tectaria sp.

Bac Kan Province, Ba Be District, Ba Be National Park. Dry evergreen broad-leaved secondary forest on steep rocky slopes composed by white crystalline marble-like highly eroded limestone near Dau Dang Waterfall of Nang River around point 22º27’09’’N 105º34’16’E at elev. of about 150 m a.s.l. Terrestrial and lithophytic fern on shady steep rocky slope. Very common.

20 October 2023, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, Nguyen Van Ly, T. Maisak, AL2342.

Polypodiaceae s.l.

Colysis sp.

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 lithophytic fern in shady rocky place. Locally very common.

30 October 2023, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, Nguyen Van Ly, T. Maisak, AL2391.