![](images/graphics/blank.gif)
Rare genera
-
This study aimed to assess the relationship between distribution, altitude and investigation lines of vascular plants in Bat Xat Nature Reserve, Lao Cai province. Based on the collected specimens added 273 species of vascular plants belonging to 48 genera, 18 families, bringing the total number the currently known species are 1245 species of vascular plants belonging to 649 genera, 174 families and under 6 divisions such as.
24p
vicaptainmarvel
21-04-2023
3
2
Download
-
Detailed surveys on rarely examined aquatic ecosystems often lead to the discovery of new species of high conservation value. This study directed towards the recognition of a variety of aquatic environments in Costa Rica (40 habitats, including lakes, wetlands, and small aquatic systems, e.g., ponds, ditches, puddles, tree holes, and bromeliads) established the presence of 105 species of Monogononta representing 33 genera. In total, 91 species and 19 genera were found to be new for Costa Rica, including 29 species recorded for the first time in Central America (e.g.
10p
dolomite36
30-12-2021
10
0
Download
-
The taxa in this paper represent 8 classes, 16 orders, 20 families, 22 genera and 22 species based on the latest algal taxonomical nomenclature. Among these taxa, the existence of a rare filamentous cyanobacteria, Planktothrix compressa (Utermöhl) Anagnostidis et Komárek is described for the first time in the Philippines.
8p
mudbound
10-12-2021
8
1
Download
-
The genome of a prasinoviruses-related freshwater virus reveals unusual diversity of phycodnaviruses
Phycodnaviruses are widespread algae-infecting large dsDNA viruses and presently contain six genera: Chlorovirus, Prasinovirus, Prymnesiovirus, Phaeovirus, Coccolithovirus and Raphidovirus. The members in Prasinovirus are identified as marine viruses due to their marine algal hosts, while prasinovirus freshwater relatives remain rarely reported.
12p
vibeauty
23-10-2021
7
1
Download
-
The causes and consequences of genome size variation across Eukaryotes, which spans five orders of magnitude, have been hotly debated since before the advent of genome sequencing. Previous studies have mostly examined variation among larger taxonomic units (e.g., orders, or genera), while comparisons among closely related species are rare.
12p
visilicon2711
20-08-2021
12
2
Download
-
Orchids are the most fascinatingly beautiful flowers and unique group of plants of nature. With their exotic shapes, hues and the added advantage of longevity, these flowers of rare beauty have become increasingly popular in the 21st century. They belong to the Orchidaceae family and consisting 600-800 genera and 25,000-35,000 species.
19p
caygaocaolon8
07-11-2020
17
1
Download
-
Paphiopedilum orchids, the most popular and rare orchid genera, are used as potted flowers and cut flowers. In nature condition, the orchid population is threatened with extinction due to over-exploitation and altered habitat. Reduction in this orchids via large-scale micropropagation is a better option to reduce the wild harvest, meets the commercial needs as well as conserves this threatened orchid. This orchid can be propagated by germinating seeds under in vitro culture condition; however, they are difficult for micropropagation, especially regenerating plantlets from in vitro culture.
9p
nguyenxuankha_bevandan
14-08-2020
13
1
Download
-
The genera Alloplitis Nixon, 1965 and Protapanteles Ashmead, 1898 (subgenus Nyereria Mason, 1981) (Braconidae: Microgastrinae) are newly recorded for Vietnamese fauna. Three valid species of the genus Alloplitis Nixon, 1965 and one species of the subgenus Nyereria Mason [15] are currently recognized from the Oriental region, and in this paper one species is newly recorded for the fauna of Vietnam, Alloplitis guapo Nixon, 1965 and five new species are described and illustrated from Vietnam, Alloplitis albiventris Long & van Achterberg, sp. n., A. laevigaster Long & van Achterberg, sp. n., A.
10p
nguaconbaynhay
24-10-2019
17
0
Download
-
Three small genera of the subfamily Doryctinae are newly recorded for the Braconidae fauna of Vietnam, viz. Euscelinus Westwood, 1882; Leptospathius Szépligeti, 1902 and Sonanus Belokobylskij & Konishi, 2001. Five new species of these genera are described and illustrated, namely Euscelinus vietnamicus Long, sp. n.; Leptospathius langsoni Long, sp. n.; Leptospathius phamvanluci Long, sp. n.; Leptospathius simulatus Long, sp. n. and Sonanus mocchaui Long, sp. n..
15p
vitheseus2711
28-10-2019
13
1
Download
-
New species of subgenus Areselonus Braet, 1999 and genus Odontosphaeropyx Cameron, 1910, viz. Chelonus (Areselonus) intermedius Long, sp. n. and Odontosphaeropyx plesius Long, sp. n. (Braconidae: Cheloninae) are described and illustrated. Additionally, these two rare taxa are newly recorded for Vietnam‟s braconid fauna. The checklist and distribution of the already known species of the genera are also provided.
9p
nguaconbaynhay
22-10-2019
31
4
Download
-
Sop Cop is one of the largest remaining forest areas in the northwestern region of Vietnam. It contains high biodiversity values with previous records of many precious animal and plant species. However, biodiversity of Sop Cop is threatened by illegal activities of local people. In fact, bats and many other animal taxa in this area were poorly studied and rarely documented in previous publications. Between June 2014 and October 2016, the author conducted a variety of field surveys on bats in the Sop Cop Special Use Forest for understanding of their diversity and conservation status.
8p
gaunguyen6789
22-10-2019
15
0
Download
-
Based on the specimens collected in four surveys at eight sites in major rivers in Vinh Long province during 2013 through 2014, the total of eighteen species of cladoceran, belonging to 14 genera, 7 families and 2 orders, were recorded. The cladocerans fauna in Vinh Long province is moderately diverse, and almost all the species were common.
9p
vithomasedison2711
14-08-2019
10
1
Download
-
Six new species of three small genera of the subfamily Rogadinae: Cystomastacoides van Achterberg, 1997; Gyroneuron Kokujev, 1901 and Rogasodes Chen & He, 1997, viz. Cystomastacoides contrastus Long, sp. n.; Cystomastacoides similis Long, sp. n.; Gyroneuron asperatum Long, sp. n.; Gyroneuron bicoloratum Long, sp. n.; Gyroneuron glabrum Long, sp. n. and Rogasodes phongi Long & Hoa, sp. n.; and three new species of the subgenus Arcaleiodes Chen & He, 1997 from Vietnam, namely: Aleiodes (Arcaleiodes) hoanglienensis Long, sp. n., Aleiodes (Arcaleiodes) sapa Long, sp. n.
22p
shiwo_ding7
05-06-2019
27
3
Download
-
Trong số 276 loài Ngọc Linh Quảng Nam, có 8 loài là ghi nhậ mới cho khu hệ nấm lớn Việt Nam, đó là: Cymatoderma caperatum, Amanita xanthogala, Chlorophyllum bruneum, Ch.hortense, Hymenopellis megalospora, Psathyrella longipes, Russula cystidiosa và Serpula lacrymans. Một số đặc điểm về hình thái học, sinh thái học, giá thể và công dụng của chúng đã được đề cập, trong đó 2 loài nấm ăn được và 3 loài nấm độc.
7p
shiwo_ding7
05-06-2019
26
1
Download
-
The subalpine and alpine flora of Alt›ndere Valley (Maçka, Trabzon) was investigated during 2000-2002. The study area is situated in the Colchis sector of the Euro-Siberian floristic area of the Holarctic region with regard to plant geography. In this area, 384 plant taxa belonging to 61 families and 190 genera were determined.
18p
vimessi2711
02-04-2019
18
0
Download
-
The pollen morphology of 24 species of Compositae belonging to 18 genera was examined by light and scanning microscopy. The present data confirms the eurypalynous nature of the family. Delimitation of the genera on the basis of pollen characters is less marked. Pollen grains usually radially symmetrical, isopolar rarely apolar, tricolporate, often porate.
13p
vitamix
19-02-2019
21
0
Download
-
Menispermaceae is represented by about 70 genera and approximately 520 species. In Vietnam, it is represented by 19 genera, 50 species and two varieties, of which six species are endemic. Most species are dioecious climbers, rarely trees, shrubs, or herbs and distributed in tropical region, sometimes subtropical regions and warm temperate zones.
6p
meolep5
07-01-2019
33
2
Download
-
In the paper, five new species of the above mentioned genera from Vietnam are described and illustrated, keys to the species of the genera are given. Three small genera of the subfamily Doryctinae are newly recorded for the Braconidae fauna of Vietnam.
15p
jangni
16-04-2018
46
1
Download
CHỦ ĐỀ BẠN MUỐN TÌM
![](images/graphics/blank.gif)