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References

References

References

Focus Arboreta

Collectors' References

Glossary

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  • O' Brien, S. (2010) The Chilean fire bush - continuing a tale in Irish Garden Plant Society Newsletter:115 19-30
  • O' Dea, M. E. (2009) The clonal development of vine maple during Douglas-fir stand development in the Coast Range of Oregon, Oregon State University [link] (accessed 2024-04-01)
  • Oak Names Database (2007–2008) International Oak Society checklist [link] (accessed 2008-12-23)
  • O'Brien, S. (2011) In the Footsteps of Augustine Henry, Garden Art Press
  • O'Brien, S. (2018) In the Footsteps of Joseph Dalton Hooker, A Sikkim adventure., Kew Publishing, Royal Botanic Gardens, Kew
  • Ødum, S. (1991) Species and breeds of woody plants suitable for cultivation in Greenland and the Faroe Islands in Dansk Dendrologisk Årsskrift 9 3-78 [link] (accessed 2020-08-26)
  • Ødum, S. (2003) Choice of conifer plant material for south west Greenland in Acta Horticulturae 615 273–279
  • Ødum, S., Hansen, L. & Rasmussen, S. (1989) Chapter 8 - Commented inventory of trees and shrubs in gardens and plantations 85-124 in Højgaard, A., Jóhansen, J. & Ødum, S. (eds) A century of tree-planting in the Faroe Islands, Føroya Fróðskaparfelag, Tórshavn
  • Odyssey Plants (2023 onwards) [nursery website] [link] (accessed 2023-09-18)
  • OECD (2019) Consensus Document on the Biology of Apple (Malus domestica Borkh.), Organisation for Economic Co-operation and Development, Environment Directorate, Paris [link] (accessed 2021-03-09)
  • Office of International Affairs (1989) Lost Crops of the Incas: Little- Known Plants of the Andes with Promise for Worldwide Cultivation, National Academy Press, Washington, DC
  • Ogata, K. (1999) Aceraceae in Flora of Japan 2c 60-73, Kodansha, Tokyo
  • Oginuma, K. et al. (2000) Chromosomal evolution of three genera in the Betulaceae concerning polyploidy revealed by in situ hybridization using 5S rDNA in Chromosome Science 4:2 47-55 [link] (accessed 2020-11-25)
  • Ohashi, H. (1993c) Araliaceae in Huang, T.-C. et al. (eds) Flora of Taiwan 3 986–1009 2nd edn, Editorial Committee of the Flora of Taiwan, Taipei
  • Ohashi, H. (1993b) Nomenclature of Acer pictum Thunberg ex Murray and its infraspecific taxa (Aceraceae) in Journal of Japanese Botany 68 315–325
  • Ohashi, H. (1993a) Rosaceae in Huang, T.-C. et al. (eds) Flora of Taiwan 3 69–157 2nd edn, Editorial Committee of the Flora of Taiwan, Taipei
  • Ohashi, H. (2009) Bunzo Hayata and His Contributions to the Flora of Taiwan in Taiwania 54:1 1-27 [link] (accessed 2022-03-06)
  • Ohashi, H. & Endo, Y. (2001) Leguminosae in Iwatsuki, K., Boufford, D.E. & Ohba, H. (eds) Flora of Japan 2b 213–279, Kodansha, Tokyo
  • Ohashi, H. & Iketani, H. (1993) New combinations of Asiatic Aria (Rosaceae–Maloideae–Sorbeae) in Journal of Japanese Botany 68 355–361
  • Ohashi, H. & Takahashi, K. (2006) Identity of Quercus acuta Thunb. (Fagaceae) recorded from Taiwan and China in Journal of Japanese Botany 81 268-274
  • Ohba, H. (1999) Rutaceae in Iwatsuki, K., Boufford, D.E. & Ohba, H. (eds) Flora of Japan 2c 33–47, Kodansha, Tokyo
  • Ohba, H. (2001) 17. Deinanthe Maxim.; 18. Schizophragma Siebold et Zucc.; 19. Pileostegia Hook.f. et Thomson; 20. Hydrangea Gronov. ex L.; 21. Cardiandra Siebold et Zucc.; 22. Platycrater Siebold et Zucc. in Iwatsuki, K., Boufford, D.E. & Ohba, H. (eds) Flora of Japan 2b 83-96, Kodansha, Tokyo
  • Ohba, H. (2006) Betulaceae in Iwatsuki, K., Boufford, D.E. & Ohba, H. (eds) Flora of Japan 2a 26–40, Kodansha, Tokyo
  • Ohba, H. & Akiyama, S. (1999) Aquifoliaceae in Iwatsuki, K., Boufford, D.E. & Ohba, H. (eds) Flora of Japan 2c 82–92, Kodansha, Tokyo
  • Ohkubo, H. & Katanoda, I. (2009) Morphology of Chinese Quercus acutissima and its fitness as bed-log for shiitake mushroom (Lentinula edodes) cultivation in Bulletin of the Kagoshima Prefectural Forestry Technology Center 12 11-23 [link] (accessed 2021-02-21)
  • Ohsawa, M. (1984) Differentiation of vegetation zones and species strategies in the subalpine region of Mt. Fuji in Vegetatio 57 15-52
  • Ohwi, J. (1965) Flora of Japan (in English), Smithsonian Institution, Washington, DC
  • Oikos Tree Crops (2007–2008) Chestnuts [link] (accessed 2008-03-22)
  • Oikos Tree Crops (2022) Lilac Paulownia Seeds [link] (accessed 2022-08-22)
  • Olatinwo, R.O., Fraedrich, S.W. & Mayfield, A.E. (2021) Laurel Wilt: Current and Potential Impacts and Possibilities for Prevention and Management in Forests 12:2 181 [link] (accessed 2023-05-11)
  • Olave, R. et al. (2015) Survival, early growth and chemical characteristics of Paulownia trees for potential biomass production in a cool temperate climate in Irish Forestry 72 42-57
  • Olav's Wood (2020) Olav's Wood [link] (accessed 2020-07-15)
  • Olde, P. & Marriott, N. (1995) The Grevillea Book I–III, Timber Press, Portland, Oregon
  • Oldfield, S. & Eastwood. A. (2007) The Red List of Oaks, Fauna & Flora International, Cambridge [link] (accessed 2008-12-23)
  • Oldfield, S., Lusty, C. & MacKinven, A. (1998) The World List of Threatened Trees
  • Oliver, D. (1887) Emmenopterys henryi in Hooker, W.J. (ed) Icones Plantarum 19 plate 1823
  • Oliver, D. (1888) Decumaria sinensis Oliv. in Hooker's Icones Plantarum 18 t.1741 [link] (accessed 2023-11-28)
  • Oliver, D. (1889) Tetracentron sinense plate 1892 in Hooker, J.D. Icones Plantarum 19 plate 1892
  • Oliver, D. (1890) Eucommia ulmoides Oliv. in Oliver, D. (ed) Hooker's Icones Plantarum 20 t. 1950 [link] (accessed 2023-01-05)
  • Oliver, D. (1890) Schizophragma integrifolia [sic] Oliv. in Icones Plantarum 20:2 t. 1934 [link] (accessed 2023-12-07)
  • Oliver, D. (1895) Eucommia ulmoides Oliv. in Oliver, D. (ed) Hooker's Icones Plantarum 24 t. 2361 [link] (accessed 2023-01-05)
  • Olivier, G. (1804) Voyage dans l'empire Othoman, l'Egypte et la Perse 2, Henri Agasse, Paris
  • Olmstead, R.G. et al. (2001) Disintegration of the Scrophulariaceæ in American Journal of Botany 88:2 348-361
  • Olsen, O. (1976) Polylepis australis Bitter: en ny hårdfør vedplante for Danmark in Dansk Dendrologisk Årsskrift 4 21–31
  • Olsen, R.T., Ranney, T.G. & Hodges, C.S. (2006) Susceptibility of Catalpa, Chilopsis, and hybrids to powdery mildew and Catalpa sphinx larvae in Hortscience 41 1629–1634
  • Omar, T. (1994) The holly collection at the Washington Park Arboretum in Holly Society Journal 12 27–33
  • Ondich, S. (2021) Quilted Maple Commercial Forest Products (accessed 2024-04-01)
  • One Green World (2021 onwards) [nursery website] [link] (accessed 2021-01-28)
  • Online Atlas of the British and Irish Flora (2021) Symphoricarpos albus [link]
  • Orange County Nursery (2005) The ‘Alamo’ ™ Mexican Sycamore [link] (accessed 2008-07-01)
  • OrCal (2022) Hazelnut Disease and Pests [link] (accessed 2023-01-28)
  • Orchard, A.E & Lepschi, B.J. (2007) Platanaceae in Wilson, A.J.G. (ed) Flora of Australia 2 412–414, Australian Biological Resources Study, Canberra
  • Orchard, A.E. & Maslin, B.R. (2003) Proposal to conserve the name Acacia (Leguminosae: Mimosoideae) with a conserved type in Taxon 52 362–363
  • Oregon Association of Nurseries (2020) Nursery Guide [link] (accessed 2020-10-08)
  • Oregon Department of Agriculture (2022) Butterfly Bush Approved Cultivars [link] (accessed 2022-01-25)
  • Oregon State University (2020 onwards) Landscape Plants [link] (accessed 2020-06-15)
  • Oregon State University (2020) Landscape Plants: Nothofagus antarctica [link]
  • Oregon State University (2024) Landscape Plants: Acer × freemanii [link] (accessed 2024-04-01)
  • Oregon State University Department of Horticulture (1999–2008) Landscape plants: Cathaya argryophylla [link] (accessed 2008-03-22)
  • OregonFlora (2023 onwards) OregonFlora [link] (accessed 2023-02-07)
  • Orr, M.Y. (1933) Plantae chinensis forrestianae: Coniferae in Notes from the Royal Botanic Garden Edinburgh 18 119-157
  • Ortega-Olivencia, A. & Catalán, P. (2009) Systematics and evolutionary history of the circum-Mediterranean genus Anagyris L. (Fabaceae) based on morphological and molecular data in Taxon 58:4 1290-1306
  • Ortega-Olivencia, A. et al. (2005) First Confirmation of a Native Bird-Pollinated Plant in Europe in Oikos 110:3 578-590
  • Ortiz-Medrano, A. et al. (2016) Morphological and niche divergence of pinyon pines in Ecology and Evolution 6:(9): 2886–2896
  • Orto Botanico 1545 (2014) GINKGO [link]
  • Orwa, C. et al. (2009) Agroforestree Database: a tree reference and selection guide version 4.0., Kenya, World Agroforestry Centre [link] (accessed 2020-06-17)
  • Orwa, C. et al. (2009) Agroforestree Database: a tree reference and selection guide version 4.0 [link] (accessed 2020-12-04)
  • Orwa, C. et al. (2009) Agroforestree Database:a tree reference and selection guide version 4.0, World Agroforestry [link]
  • Oster, D. (2019) How a horticulturist patented a unique climbing hydrangea [link] (accessed 2023-12-21)
  • Ostl, L. (1989) Abies nebrodensis in International Dendrology Society Yearbook 1988 80–81
  • Ostoja-Starzewski, J. & Coombes, A. (2008) Aceria pterocaryae Kuang & Gong (Acari: Eriophyidae) A new addition to the British mite fauna. in Cecidology. 23 43-45 [link] (accessed 2023-02-02)
  • Ostrowsky, L. & Ashton, M. (2022) The Root of the Red Maple Paradox: Two distinct regeneration mechanisms determine leaf morphology, physiology, and competitive success in Acer rubrum in bioRxiv [link]
  • OSU (2020) Cornus drummondii [link] (accessed 2020-11-12)
  • Otway Greening (2012 onwards) [nursery website] [link] (accessed 2023-01-03)
  • Outcalt, K.W. (1990) Magnolia grandiflora L.: Southern Magnolia in Burns, R.M. & Honkala, B.H. (eds) Silvics of North America 2 445-448, USDA Forest Service, Washington, DC [link] (accessed 2021-12-15)
  • Oxford English Dictionary (ed) (2023) Oxford English Dictionary
  • Oxford Reference (2024) Ginkgoales [link]
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