16. Nguyen Tien Hiep, Phan Ke Loc, Nguyen Duc To Luu, Thomas PI, Farjon A., Averyanov L. & Regalado Jr. J. (2005), Vietnamese Pines: Conservation Status Study 2004 , Fauna & Flora International, Vietnam Program, Hanoi.
17. Nguyen Tien Hiep, Phan Ke Loc and Averyanov LV (2000), “Some new plant species for Vietnam collected from the Cao Bang limestone mountains”, Journal of Biology , 22 (4), pp. 1-11.
18. Nguyen Tien Hiep, Averyanov LV, Phan Ke Loc (1998), "Need to protect limestone du sam community in Thang Heng, Tra Linh, Cao Bang area", Forestry Journal (6), pp. 38-40.
19. Tran Hop (2002), Vietnam's timber resources , Agriculture Publishing House, Ho Chi Minh City.
Maybe you are interested!
-
Research on the current status and proposed solutions for conservation of Pseudotsuga brevifolia WC Cheng & LKFu, 1975 in Nguyen Binh district, Cao Bang province - 1 -
Research on current status and proposed solutions for hospital wastewater management in Vietnam - Sweden, Quang Ninh - 14 -
Research on current status and improvement of cropping system on coastal land of Thanh Hoa province - 19 -
Hoang Thanh Phuc (2009), "Research on Current Status and Solutions for Developing Scattered Forestry Planting in Thai Nguyen Province", Master's Thesis, -
Research Works Related to the Current Status of Transformation of Socialist Production Relations in the Renovation Period in Vietnam
20. Nguyen Huong (2011), “Northern red pine”, http://www.thiennhien.net/2011/10/18/thong-do-bac/, October 18, 2011.
21. Phung Tien Huy, Dinh Duc Huu, Nguyen Van Dieu (1996), "Research on some biological characteristics of green cypress trees in Ba Vi National Park as a basis for species protection and development", Results of forestry science and technology research 1991-1995 , Agriculture Publishing House, Hanoi, pp. 84-88.
22. Le Thi Huyen and Nguyen Tien Hiep (2004), Morphology and classification of plants , Forestry University Textbook, Agricultural Publishing House, Hanoi.
23. Nguyen Sinh Khang, Nguyen Tien Hiep, To Van Thao, Pham Van The, Phan Ke Loc, Averyanov LV (2009), Diversity of Vietnam's flora: Contributing some additional data on species composition and distribution of Pine in the Northeast limestone mountains of Ha Giang province . http://www.botanyvn.com/cnt.asp?param=news&newsid=694, February 13, 2009.
44. Huynh Van Keo and Le Doan Oanh (2002), “Some biological characteristics of the false Hoang dan tree in Bach Ma National Park”, Forestry Journal , (11+12), pp. 25-26.
25. Phan Ke Loc, Nguyen Tien Hiep, Regalado J. Jr. & Averyanov L. (2004), “The value of limestone mountains in the Northeast in studying the diversity of plant taxa in Vietnam”, Basic research issues in life sciences - Orientation of mountainous agriculture and forestry. Scientific report, National Conference, Basic research in life sciences, pp.160-164. Science and Technology Publishing House, Hanoi.
26. Phan Ke Loc, Nguyen Tien Hiep, Averianop L., Regalado J., Nguyen Thanh Huong (2003), “Species of Pinopsida and Paphiopedilums in Ba Be National Park, Na Hang Nature Reserve and some neighboring areas and their conservation issues”, Report of the national scientific conference Ba Be National Park, Na Hang Nature Reserve , Lao Dong Publishing House, Hanoi, pp. 41-53.
27. Phan Ke Loc, Nguyen Tien Hiep and Averyanov LV (2002), “ Keteleeria davidiana (Bertrand) Beissn. var. davidiana , a new gymnosperm found in Northern Vietnam”, Sustainable development and protection of forests and biodiversity on limestone mountains in Vietnam , Forest Inventory and Planning Institute, Hanoi, pp. 37-45.
28. Nguyen Duc To Luu, Philip Ian Thomas (2004), Vietnamese Conifers , The Gioi Publishing House, Hanoi.
29. Nguyen Duc To Luu, Nguyen Viet Anh, Schmidt L. & Nguyen Xuan Lieu (2004), Phenological characteristics and seeds of Vietnamese forest trees , Agricultural Publishing House, Hanoi.
30. Nguyen Hoang Nghia (2006), Some threatened plant species in Vietnam , volume 2, Agriculture Publishing House, Hanoi.
31. Do Van Ngoc (2015), Study on ecological characteristics of Pinus krempfii H. Lecomte, PhD thesis in Ecology, Institute of Tropical Biology, Vietnam Academy of Science and Technology.
32. Le Van Phuc (2016), Research on scientific basis and proposed solutions for conservation of Pseudotsuga brevifolia WC Cheng & LK Fu,
1975) in Ha Giang province , PhD thesis in Forestry, College of Agriculture and Forestry, Thai Nguyen University.
33. Hoang Van Sam, Tran Duc Dung (2013), “Diversity and conservation status of Gymnosperm species in Pu Luong Nature Reserve, Nghe An”, Journal of Forestry Science and Technology (1), pp. 40-47.
34. Hoang Van Sam, Nguyen Trong Quyen (2013), “Species composition and conservation status of gymnosperm species in Pha Phanh forest, Thanh Hoa province”, Journal of Agriculture & Rural Development, (5), pp. 88-93.
35. Nguyen Van Sinh (2009), “Some data on ecological characteristics, distribution and conservation of Sa mu dau species in Pu Mat National Park”, Proceedings of the 3rd Conference on Ecology and Biological Resources, Agricultural Publishing House, Hanoi, pp. 746-751.
36. Nguyen Huy Son, Hoang Chuong (2002), “Phenomenological characteristics and natural regeneration ability of Pinus latifolia”, Journal of Agriculture & Rural Development (8), pp. 729-730.
37. VNA (2011), “Discovery of rare and endangered gymnosperm populations ” , http://www.thiennhien.net/2011/10/26/phat-hien-quan-the-cay-hat- tran-quy-hiem-co-nguy-co-tuyet-chung/, October 25, 2011.
38. VNA (2010), “Hoang dan in danger of extinction ” , http://www.thiennhien.net/2010/12/22/hoang-dan-truoc-nguy-co-tuyet-chung/ , December 21, 2010.
39. VNA (2005), “Discovery of two rare pine species in Ha Giang ” , http://www.hagiang.gov.vn/esinfo/pages/economicsnews.aspx?ItemID=228, October 4, 2005.
40. General Department of Forestry (2010), Investigation and assessment of the conservation status of endangered and rare forest plant species listed in Decree 32/2006/ND-CP by ecological region , Hanoi.
41. Vietnam Plant Data Center (2014), Pseudotsuga brevifo lia species database, http://www.botanyvn.com/cnt.asp?param=edir&v=Pseudotsuga%20brevifo lia&list=species
42. Vietnam Plant Data Center (2009),Initial results of research on biological characteristics of the Flat-leaf Pine species , http://botanyvn.com/cnt.asp?param=news&newsid=757, March 13, 2009.
43. Center for Biodiversity and Biosafety, Vietnam Union of Science and Technology Associations (2009), Conservation and development of rare plant genetic resources of the rocky mountain ecosystem in Thai Phin Tung commune, Dong Van district, Ha Giang province , Technical document - Project VN/06/011, Natural Science and Technology Publishing House, Hanoi.
Foreign language
45. Farjon A. (2010), A Handbook of the World's Conifers, Koninklijke Brill, Leiden.
46. Farjon A. (2001), World Chechlist and Biblipgraphy of Conifers , 2nd edition, Royal Botanic Gardens, Kew, UK.
47. Farjon A. and Page CN (1999), Conifers: Status survey and conservation action plan, Conifer Specialist Group, IUCN, Grand, Switzerland and Cambridge, UK.