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Phu-Long Pham, Ying-Xue Li, He-Rong Guo, Rui-Zhen Zeng, Li Xie, Zhi-Sheng Zhang, Jianjun Chen, Qing-Lian Su, and Qing Xia

). Stems usually contain a high concentration of polysaccharide ( He et al., 2017 ). Due to its health benefits and long growth cycle, wild D. officinale has been exploited to near extinction. D. officinale has been considered a threatened species and

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Hala G. Zahreddine, Daniel K. Struve, and Salma N. Talhouk

and nutrient partitioning under container production to identify genetically superior seed trees of these threatened species. Container nursery production and transplanting to managed landscapes might be a practical ex situ genetic conservation method

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Richard T. Olsen

cultivation to aid in conserving threatened species ex situ. Introductions in this second golden age of plant exploration were not limited to botanists or academics, because more ready access and modern transportation meant more industry professionals and

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Judy Kay, Arantza A. Strader, Vickie Murphy, Lan Nghiem-Phu, Michael Calonje, and M. Patrick Griffith

.D. 2009 Microcycas calocoma . In: International Union for the Conservation of Nature, 2010. IUCN Red List of Threatened Species. Version 2010.4. 3 May 2011. < http://www.iucnredlist.org/apps/redlist/details/42107/0 >. Broome, T. 2007 Coffee, cycads' new

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Jaroslav Ďurkovič, Ingrid Čaňová, Lucia Javoříková, Monika Kardošová, Rastislav Lagaňa, Tibor Priwitzer, Roman Longauer, and Jana Krajňáková

.A. Andrade, G.M. Nairn, S.J. Powell, W.A. Maynard, C.A. 2007 Restoration of threatened species: A noble cause for transgenic trees Tree Genet. Genomes 3 111 118 Mezzetti, B. Minotta, G. Navacchi, O. Rosati, P. 1988 In vitro propagation of Ulmus carpinifolia

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Trenton Hamada, Irene Terry, Robert Roemer, and Thomas E. Marler

, T. Haynes, J. Lindström, A. 2010 Cycas micronesica . The IUCN red list of threatened species. Version 2014.3. 23 Apr. 2015. < www.iucnredlist.org > Martin, M.D. Chamecki, M. Brush, G.S. Meneveau, C. Parlange, M.B. 2009 Pollen clumping and wind

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Neil O. Anderson, Alan G. Smith, Andrzej K. Noyszewski, Emi Ito, Diana Dalbotten, and Holly Pellerin

is for identifying and preventing entry or exit of endangered or threatened species, based on the Convention on International Trade in Endangered Species (1975 ) ( Table 1 ). Although reed canarygrass is neither endangered or threatened, apparently

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flowers and spindle-shaped fruits, is a threatened species, only distributed in the western part of the Hunan Province in China. Since no regeneration in the wild has been observed, reproducing this plant is an essential step in its conservation and