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Thomas E. Marler, April Cascasan, and John H. Lawrence

conservation of threatened species: The case of Cycas micronesica J. Threatened Taxa 6 6523 6528 Marler, T.E. Moore, A. 2011 Military threats to terrestrial resources not restricted to wartime: A case study from Guam J. Environmental Science & Engineering 5

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Filip Jovanović, Dragica Obratov-Petković, Ivana Bjedov, Ivana Živanović, Sonja Braunović, Tatjana Ćirković-Mitrović, and Gordana Tomović

genus. As a result of illegal collection, habitat destruction, and climate change they are threatened in the wild and several species of the genus are listed on the International Union for Conservation of Nature (IUCN) Red List of Threatened Species

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Nadia Jiménez-Peña, Luis A. Valdez-Aguilar, Ana M. Castillo-González, María T. Colinas-León, Andrew D. Cartmill, and Donita L. Cartmill

, volcanic rock, and peat) and nutrient solution concentration (in terms of ψ S ) to serve as a basis for the commercial production of this threatened species. Materials and Methods Cultural conditions. The experiment was conducted under glasshouse conditions

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Vickie Murphy, Kimberly Moore, M. Patrick Griffith, and Chad Husby

List of Threatened Species, 2010 ). This is a 16% increase from the 46% that were considered to be threatened in 1978. Cycads are the most threatened group of plant species on Earth as a result of loss of habitat and overcollection in the wild. The

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Lingfang Kong, Fan Li, Ronghui Du, Huaiting Geng, Shifeng Li, and Jihua Wang

Luculia pinceana , a flowering shrub of the Rubiaceae family, is an endangered species on the Red List of Threatened Species made by the International Union for Conservation of Nature [Botanic Gardens Conservation International (BGCI), IUCN SSC

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Thomas E. Marler

list of threatened species. Version 2013.1. 30 July 2013. < http://www.iucnredlist.org > Hill, K.D. 1994 The Cycas rumphii complex (Cycadaceae) in New Guinea and the Western Pacific Aust. Syst. Bot. 7 543 567 Hlásny, T. Turčáni, M. 2013 Persisting

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Carlos Alberto Lecona-Guzmán, Sheila Reyes-Zambrano, Felipe Alonso Barredo-Pool, Miguel Abud-Archila, Joaquín Adolfo Montes-Molina, Reiner Rincón-Rosales, and Federico Antonio Gutierrez-Miceli

million years ago ( Rocha et al., 2005 ). Agave americana is an important species with different uses, native to the southern United States and Mexico, widely cultivated throughout the world, Although Agave americana L. is not yet a “threatenedspecies

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Alvine Ornella Tchouga, Vincent Deblauwe, Stephanie Astride Mouafi Djabou, Giovanni Forgione, Rachid Hanna, and Nicolas Niemenak

hardwood tree species: A review (2001–2011) Propag. Ornam. Plants 12 25 51 Schatz, G.E. Lowry, I. Onana, J.M. Stévart, T. Deblauwe, V. 2019 Diospyros crassiflora . The IUCN Red List of threatened species 2019. E.T33048A2831968. 14 Sept. 2019. < http

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Claudia A. Espinosa-Leal and Silverio Garcia-Lara

Richart, A.I. 2019 Aloe arborescens . The IUCN red list of threatened species 2019: E.T110688013A110688030. 27 Apr. 2020. < https://dx.doi.org/10.2305/IUCN.UK.2019-1.RLTS.T110688013A110688030.en > Maundu, P. Kariuki, P. Eyog-Matig, O. 2006 Threats to

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Thomas E. Marler

.M. Dybzinski, R. 2013 Mechanisms of plant competition for nutrients, water and light Funct. Ecol. 27 833 840 Donaldson, J.S. 2010 Encephalartos woodii . In: IUCN 2013. IUCN red list of threatened species. Version 2013.1. 3 Aug. 2013. < http