Hordeum vulgare L.

Native to:

Afghanistan, China South-Central, Cyprus, East Aegean Is., Egypt, Greece, Iran, Iraq, Kazakhstan, Kirgizstan, Kriti, Lebanon-Syria, Libya, Pakistan, Palestine, Qinghai, Saudi Arabia, Sinai, Tadzhikistan, Tibet, Transcaucasus, Turkey, Turkey-in-Europe, Turkmenistan, Uzbekistan, Yemen

Introduced into:

Alabama, Alaska, Albania, Alberta, Algeria, Amur, Argentina Northeast, Argentina Northwest, Argentina South, Arizona, Arkansas, Austria, Azores, Baleares, Baltic States, Bangladesh, Belarus, Belgium, Bolivia, Brazil South, British Columbia, Bulgaria, California, Canary Is., Central European Rus, Chad, Chile Central, Chile North, China North-Central, China Southeast, Colombia, Colorado, Connecticut, Corse, Cuba, Czechoslovakia, Denmark, District of Columbia, Dominican Republic, East European Russia, East Himalaya, Ecuador, El Salvador, Ethiopia, Fiji, Finland, Florida, France, Germany, Great Britain, Greenland, Guatemala, Gulf of Guinea Is., Gulf States, Haiti, Hawaii, Honduras, Hungary, Iceland, Idaho, Illinois, India, Indiana, Inner Mongolia, Iowa, Italy, Japan, Jawa, Kamchatka, Kansas, Kentucky, Khabarovsk, Korea, Krym, Kuwait, Louisiana, Madeira, Magadan, Maine, Manchuria, Manitoba, Maryland, Massachusetts, Mauritania, Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest, Michigan, Minnesota, Mississippi, Missouri, Mongolia, Montana, Morocco, Myanmar, Nansei-shoto, Nebraska, Nepal, Netherlands, Nevada, New Brunswick, New Caledonia, New Hampshire, New Mexico, New South Wales, New York, New Zealand North, New Zealand South, Niger, Nigeria, North Carolina, North Caucasus, North Dakota, North European Russi, Northwest European R, Northwest Territorie, Norway, Nova Scotia, Ohio, Oklahoma, Oman, Ontario, Oregon, Pennsylvania, Peru, Poland, Portugal, Primorye, Prince Edward I., Queensland, Québec, Rhode I., Romania, Rwanda, Sakhalin, Sardegna, Saskatchewan, South Australia, South Carolina, South Dakota, South European Russi, Spain, Sri Lanka, Sweden, Switzerland, Taiwan, Tanzania, Tasmania, Tennessee, Texas, Tunisia, Ukraine, Uruguay, Utah, Vermont, Victoria, Vietnam, Virginia, Washington, West Himalaya, Western Australia, Western Sahara, Windward Is., Wisconsin, Wyoming, Xinjiang, Yugoslavia, Yukon

POWO follows these authorities in accepting this name:

• Acevedo-Rodríguez, P. & Strong, M.T. (2012). Catalogue of seed plants of the West Indies. Smithsonian Contributions to Botany 98: 1-1192.
• Ahmed, Z.U. (ed.) (2008). Encyclopedia of Flora and Fauna of Bangladesh 12: 1-505. Asiatic Society of Bangladesh.
• Allred, K.W. (2012). Flora Neomexicana, ed. 2, 1: 1-599. Range Science Herbarium, Las Cruces, New Mexico.
• Barry, J. P. & Celles, J.S. (1991). Flore de Mauritanie 2: 360-550. Centre Regional de Documentation Pedagogique, Nice.
• Bor, N.L. (1968). Flora of Iraq 9: 1-588. Ministry of Agriculture & Agrarian Reform, Baghdad.
• Bor, N.L. (1970). Flora Iranica 70: 1-573. Naturhistorisches Museums Wien.
• Boulos, L. (2005). Flora of Egypt 4: 1-617. Al Hadara Publishing, Cairo.
• Brako, L. & Zarucchi, J.L. (1993). Catalogue of the Flowering Plants and Gymnosperms of Peru. Monographs in Systematic Botany from the Missouri Botanical Garden 45: i-xl, 1-1286. Missouri Botanical Garden.
• Brundu, G. & Camarda, I. (2013). The Flora of Chad: a checklist and brief analysis. PhytoKeys 23: 1-18.
• Chang, C.S., Kim, H. & Chang, K.S. (2014). Provisional checklist of vascular plants for the Korea peninsula flora (KPF): 1-660. DESIGNPOST.
• Clayton, W.D. & Snow, N. (2010). A key to Pacific Grasses: 1-107. Kew Publishing, Royal Botanic Gardens, Kew.
• Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
• Cope, T.A., Knees, S.G. & Miller, A.G. (2007). Flora of the Arabian peninsula and Socotra 5(1): 1-387. Edinburgh University Press.
• Dassanayake (ed.) (1994). A Revised Handbook to the Flora of Ceylon 8: 1-458. Oxford & IBH Publishing Co. PVT. LTD., New Delhi, Calcutta.
• Davidse, G. & al. (eds.) (1994). Flora Mesoamericana 6: 1-543. Universidad Nacional Autónoma de México, México, D.F.
• Davis, P.H. (ed.) (1985). Flora of Turkey and the East Aegean Islands 9: 1-724. Edinburgh University Press, Edinburgh.
• Dobignard, A., Jacquemoud, F. & Jordan, D. (1992). Matériaux pour la conaissance floristique du Sahara occidental et l'Anti-Atlas méridional. I. Pteridophyta à Rosaceae. Candollea 47: 113-179.
• Dobignard, D. & Chatelain, C. (2010). Index synonymique de la flore d'Afrique du nord 1: 1-455. Éditions des conservatoire et jardin botaniques, Genève.
• Dávila, P., Mejia-Saulés, M.T., Gómez-Sánchez, N., Valdés-Reyna, J., Ortíz, J.J., Morín, C., Castrejón, J. & Ocampo, A. (2006). Catálogo de las Gramíneas de México: 1-671. CONABIO, México city.
• Edgar, E & Connor, H.E. (2010). Flora of New Zealand, ed. 2, 5: 1-650. R.E.Owen, Government Printer, Wellington.
• Exell, A.W. (1973). Angiosperms of the islands of the gulf of Guinea (Fernando Po, Príncipe, S.Tomé, and Annobon). Bulletin of the British Museum (Natural History). Botany 4: 325-411.
• Fedorov, A.A. (ed.) (1999). Flora of Russia. The European part and bordering regions 1: 1-546. A.A. Balkema, Rotterdam, Broekfield.
• Flora of North America Editorial Committee (2007). Flora of North America North of Mexico 24: 1-908. Oxford University Press, New York, Oxford.
• Ghazanfar, S.A. (1992). An Annotated Catalogue of the Vascular Plants of Oman and their Vernacular names. Scripta Botanica Belgica 2: 1-153.
• Giraldo-Cañas, D. (2011). Catálogo de la familia Poaceae en Colombia. Darwiniana 49: 139-247.
• Grubov, V.I. (2008). Key to the vascular plants of Mongolia (with an atlas) 2: 1-503. Academy of Sciences, Mongolian People's Republic, Ulaan Bator.
• Guinea, E. (1948). Catálogo razonado de las plantas del Sáhara Español. Anales del Jardin Botanico de Madrid 8: 357-429.
• Hedberg, I. & Edwards, S. (eds.) (1995). Flora of Ethiopia and Eritrea 7: 1-430. The National Herbarium, Addis Ababa University, Ethiopia & The Department of Systematic Botany, Upps.
• Hepper, F.N. (ed.) (1972). Flora of West Tropical Africa, ed. 2, 3(2): 277-574.
• Iwatsuki, K., Boufford, D.E. & Ohba, H. (eds.) (2020). Flora of Japan IVa: 1-430. Kodansha Ltd., Tokyo.
• Jørgensen, P.M. & León-Yánez, S. (eds.) (1999). Catalogue of the Vascular Plants of Ecuador. Monographs in Systematic Botany from the Missouri Botanical Garden 75: i-viii, 1-1181. Missouri Botanical Garden.
• Kandwal, M.K. & Gupta, B.K. (2009). An update on grass flora of Uttarkhand. Indian Journal of Forestry 32: 657-668.
• Karthikeyan, S., Jain, S.K., Nayar, M.P. & Sanjappa, M. (1989). Florae Indicae Enumeratio: Monocotyledonae: 1-435. Botanical Survey of India, Calcutta.
• Knapp, W.M. & Naczi, R.F.C. (2021). Vascular plants of Maryland, USA. A comprehensive account of the state's botanical diversity. Smithsonian Contributions to Botany 113: 1-151.
• Koyama, T. (1987). Grasses of Japan and its neighboring regions: an identification manual: 1-570. Kodansha, Tokyo, Japan.
• Kozhevnikov, A.E., Kozhevnikov, Z.V., Kwak, M. & Lee, B.Y. (2019). Illustrated flora of the Primorsky Territory, Russian Far East: 1-1124. National institute of biological resources.
• Kress, W.J., DeFilipps, R.A., Farr, E. & Kyi, D.Y.Y. (2003). A Checklist of the Trees, Shrubs, Herbs and Climbers of Myanmar. Contributions from the United States National Herbarium 45: 1-590.
• Lambion, J., Delvosalle, L. & Duvigneaud, J. (2004). Nouvelle flore de la Belgique du G. D. de Luxembourg, du Nord de la France et des régions voisines, ed. 5: 1-1167. Edition du Patrimoine du Jardin botanique national de Belgique.
• Meikle, R.D. (1985). Flora of Cyprus 2: 833-1970. The Bentham-Moxon Trust Royal Botanic Gardens, Kew.
• Mirek, Z., Piękoś-Mirkowa, H., Zając, A. & Zając, M (2020). Vascular plants of Poland an annotated checklist: 1-526. W. Szafer institute of botany, Polish academy of sciences, Krakow, Poland.
• Peyre de Fabregues, B. & Lebrun, J.-P. (1976). Catalogue des Plantes Vascularies du Niger: 1-433. Institut d' Elevage et de Médecine Vétérinaire des Pays Tropicaux, Maisons Alfort.
• Powell, A.M. & Worthington, R.D. (2018). Flowering plants of Trans-Pecos Texas and ajacent areas: 1-1444. BRIT Press.
• Press, J.R. et al. (2000). Annotated Checklist of the Flowering Plants of Nepal: i-x, 1-430. Natural History Museum, London.
• Renvoize, S.A. (1998). Gramineas de Bolivia: 1-644. The Royal Botanic Gardens, Kew.
• Takhtajan, A.L. (ed.) (2006). Konspekt Flora Kavkaza 2: 1-466. Editio Universitatis Petropolitanae.
• Troupin, G. (ed.) (1988). Flora du Rwanda 4: I-X, 1-651. Musee Royal de l'Afrique Centrale.
• Walker, E.H. (1976). Flora of Okinawa and the southern Ryukyu islands: 1-1159. Smithsonian Institution Press, Washington D.C., U.S.A.
• Wilson, A. (ed.) (2009). Flora of Australia 44A: 1-410. Australian Government Publishing Service, Canberra.
• Wu, Z. & Raven, P.H. (eds.) (2006). Poaceae. Flora of China 22: 1-733. Missouri Botanical Garden Press, St. Louis.
• Zuloaga, F.O., Morrone, O. , Belgrano, M.J., Marticorena, C. & Marchesi, E. (eds.) (2008). Catálogo de las Plantas Vasculares del Cono Sur. Monographs in Systematic Botany from the Missouri Botanical Garden 107: 1-3348. Missouri Botanical Garden.
• de Salas, MF, Baker, ML (2022). A Census of the Vascular Plants of Tasmania, including Macquarie Island: 1-161. Tasmanian Herbarium, Tasmanian Museum and Art Gallery, Hobart. https://flora.tmag.tas.gov.au/resources/census/.

Catálogo de Plantas y Líquenes de Colombia

• Bernal, R., Gradstein, S.R. & Celis, M. (eds.). 2015. Catálogo de plantas y líquenes de Colombia. Instituto de Ciencias Naturales, Universidad Nacional de Colombia, Bogotá. http://catalogoplantasdecolombia.unal.edu.co

Flora of West Tropical Africa

• Chev. Bot. 752.
• Sp. Pl. 84 (1753)

Useful Plants of Boyacá Project

• Crop wild relative Inventory https://www.cwrdiversity.org/checklist/ in The State of the World’s Plants Report–2016. (2016). Royal Botanic Gardens, Kew https://stateoftheworldsplants.org/2016/
• Instituto de Investigación de Recursos Biológicos Alexander von Humbodlt (2014). Plantas alimenticias y medicinales nativas de Colombia. 2567 registros, aportados por: Castellanos, C. (Contacto del recurso), Valderrama, N. (Creador del recurso, Autor), Castro, C. (Proveedor de metadatos), Bernal, Y. (Autor), García, N. (Autor). Versión 11.0. http://i2d.humboldt.org.co/ceiba/resource.do?r=ls_colombia_magnoliophyta_2014
• Linares, E. (1994). Inventario preliminar de las plantas utilizadas para elaborar artesanías en Colombia. Vniversitas Scientarium. Vol 2: 1-38

Kew Backbone Distributions

• (2021). https://doi.org/10.11646/phytotaxa.501.2.1. epublication.
• Acevedo-Rodríguez, P. & Strong, M.T. (2012). Catalogue of seed plants of the West Indies. Smithsonian Contributions to Botany 98: 1-1192.
• Ahmed, Z.U. (ed.) (2008). Encyclopedia of Flora and Fauna of Bangladesh 12: 1-505. Asiatic Society of Bangladesh.
• Allred, K.W. (2012). Flora Neomexicana, ed. 2, 1: 1-599. Range Science Herbarium, Las Cruces, New Mexico.
• Bor, N.L. (1968). Flora of Iraq 9: 1-588. Ministry of Agriculture & Agrarian Reform, Baghdad.
• Boulos, L. (2005). Flora of Egypt 4: 1-617. Al Hadara Publishing, Cairo.
• Brako, L. & Zarucchi, J.L. (1993). Catalogue of the Flowering Plants and Gymnosperms of Peru. Monographs in Systematic Botany from the Missouri Botanical Garden 45: i-xl, 1-1286. Missouri Botanical Garden.
• Brundu, G. & Camarda, I. (2013). The Flora of Chad: a checklist and brief analysis. PhytoKeys 23: 1-18.
• Clayton, W.D. & Snow, N. (2010). A key to Pacific Grasses: 1-107. Kew Publishing, Royal Botanic Gardens, Kew.
• Cope, T.A., Knees, S.G. & Miller, A.G. (2007). Flora of the Arabian peninsula and Socotra 5(1): 1-387. Edinburgh University Press.
• Dassanayake (ed.) (1994). A Revised Handbook to the Flora of Ceylon 8: 1-458. Oxford & IBH Publishing Co. PVT. LTD., New Delhi, Calcutta.
• Davidse, G. & al. (eds.) (1994). Flora Mesoamericana 6: 1-543. Universidad Nacional Autónoma de México, México, D.F.
• Davis, P.H. (ed.) (1985). Flora of Turkey and the East Aegean Islands 9: 1-724. Edinburgh University Press, Edinburgh.
• Delipavlov, D. & Cheshmedzhiev, I. (eds.) (2011). Opredelitel na rasteniiata v Bulgariia: 1-590. Akad. Isd. Agrar. Univers. Plovdiv.
• Dimopoulos, P., Raus, T., Bergmeier, E., Constantinidis, T., Iatrou, G., Kokkini, S., Strid, A., & Tzanoudakis, D. (2013). Vascular plants of Greece. An annotated checklist: 1-372. Botanic gardens and botanical museum Berlin-Dahlem, Berlin and Hellenic botanical society, Athens.
• Dobignard, A., Jacquemoud, F. & Jordan, D. (1992). Matériaux pour la conaissance floristique du Sahara occidental et l'Anti-Atlas méridional. I. Pteridophyta à Rosaceae. Candollea 47: 113-179.
• Dobignard, D. & Chatelain, C. (2010). Index synonymique de la flore d'Afrique du nord 1: 1-455. Éditions des conservatoire et jardin botaniques, Genève.
• Dávila, P., Mejia-Saulés, M.T., Gómez-Sánchez, N., Valdés-Reyna, J., Ortíz, J.J., Morín, C., Castrejón, J. & Ocampo, A. (2006). Catálogo de las Gramíneas de México: 1-671. CONABIO, México city.
• Edgar, E & Connor, H.E. (2010). Flora of New Zealand, ed. 2, 5: 1-650. R.E.Owen, Government Printer, Wellington.
• Exell, A.W. (1973). Angiosperms of the islands of the gulf of Guinea (Fernando Po, Príncipe, S.Tomé, and Annobon). Bulletin of the British Museum (Natural History). Botany 4: 325-411.
• Fedorov, A.A. (ed.) (1999). Flora of Russia. The European part and bordering regions 1: 1-546. A.A. Balkema, Rotterdam, Broekfield.
• Fedtschenko, B.A. & al. (1932). Flora Turkmenii 1: 1-340. Turkmenskoe gosudarstvennoe izd., Ashkhabad.
• Flora of North America Editorial Committee (2007). Flora of North America North of Mexico 24: 1-908. Oxford University Press, New York, Oxford.
• Forzza, R.C. & al. (2013). Lista de Espécies da Flora do Brasil http://floradobrasil.jbrj.gov.br/2010/.
• Giraldo-Cañas, D. (2011). Catálogo de la familia Poaceae en Colombia. Darwiniana 49: 139-247.
• Grubov, V.I. (2008). Key to the vascular plants of Mongolia (with an atlas) 2: 1-503. Academy of Sciences, Mongolian People's Republic, Ulaan Bator.
• Hassler, M. (2012). Flora of Rhodes. Systematic list of flora of Rhodes http://www.rz.uni-karlsruhe.de/~db111/flora/rhodos/list.php.
• Hedberg, I. & Edwards, S. (eds.) (1995). Flora of Ethiopia and Eritrea 7: 1-430. The National Herbarium, Addis Ababa University, Ethiopia & The Department of Systematic Botany, Upps.
• Hepper, F.N. (ed.) (1972). Flora of West Tropical Africa, ed. 2, 3(2): 277-574.
• Hộ, P.-H. (2000). Câycỏ Việtnam. An Illustrated flora of Vietnam, ed. 2, 3: 1-1020. Pham-hoang Ho, Montréal.
• Jørgensen, P.M. & León-Yánez, S. (eds.) (1999). Catalogue of the Vascular Plants of Ecuador. Monographs in Systematic Botany from the Missouri Botanical Garden 75: i-viii, 1-1181. Missouri Botanical Garden.
• Karthikeyan, S., Jain, S.K., Nayar, M.P. & Sanjappa, M. (1989). Florae Indicae Enumeratio: Monocotyledonae: 1-435. Botanical Survey of India, Calcutta.
• Kharkevich, S.S., Probatova, N.S. & Novikov, V.S. (1985). Sosudistye rasteniia sovetskogo Dal'nego Vostoka 1: 1-383. Izd-vo "Nauka," Leningradskoe otd-nie, Leningrad.
• Koyama, T. (1987). Grasses of Japan and its neighboring regions: an identification manual: 1-570. Kodansha, Tokyo, Japan.
• Kress, W.J., DeFilipps, R.A., Farr, E. & Kyi, D.Y.Y. (2003). A Checklist of the Trees, Shrubs, Herbs and Climbers of Myanmar. Contributions from the United States National Herbarium 45: 1-590.
• Lee, W.T. (1996). Lineamenta Florae Koreae: 1-1688. Soul T'ukpyolsi: Ak'ademi Sojok.
• Merkodovich, N.A. (ed.) (1941). Flora Uzbekistana 1: 1-566. Izd-va Akademii nauk Uzbekskoi SSR, Tashkent.
• Ovczinnikov, P.N. (ed.) (1957). Flora Tadzhikskoi SSR 1: 1-547. Izd-vo Akademii nauk SSSR, Moskva.
• Pavlov, N.V. (ed.) (1956). Flora Kazakhstana 1: 1-354. Alma-Ata, Izd-vo Akademii nauk Kazakhskoi SSR.
• Peyre de Fabregues, B. & Lebrun, J.-P. (1976). Catalogue des Plantes Vascularies du Niger: 1-433. Institut d' Elevage et de Médecine Vétérinaire des Pays Tropicaux, Maisons Alfort.
• Press, J.R. et al. (2000). Annotated Checklist of the Flowering Plants of Nepal: i-x, 1-430. Natural History Museum, London.
• Renvoize, S.A. (1998). Gramineas de Bolivia: 1-644. The Royal Botanic Gardens, Kew.
• Roshevitz, R.J. & al. (eds.) (1950). Flora Kirgizskoi SSR 2: 1-315. Frunze : Izd-vo KirgizFAN SSSR.
• Takhtajan, A.L. (ed.) (2006). Konspekt Flora Kavkaza 2: 1-466. Editio Universitatis Petropolitanae.
• Troupin, G. (ed.) (1988). Flora du Rwanda 4: I-X, 1-651. Musee Royal de l'Afrique Centrale.
• Tutin, T.G. & al. (eds.) (1980). Flora Europaea 5: 1-452. Cambridge University Press.
• Walker, E.H. (1976). Flora of Okinawa and the southern Ryukyu islands: 1-1159. Smithsonian Institution Press, Washington D.C., U.S.A.
• Wilson, A. (ed.) (2009). Flora of Australia 44A: 1-410. Australian Government Publishing Service, Canberra.
• Wu, Z. & Raven, P.H. (eds.) (2006). Poaceae. Flora of China 22: 1-733. Missouri Botanical Garden Press, St. Louis.
• Zuloaga, F.O., Morrone, O. , Belgrano, M.J., Marticorena, C. & Marchesi, E. (eds.) (2008). Catálogo de las Plantas Vasculares del Cono Sur. Monographs in Systematic Botany from the Missouri Botanical Garden 107: 1-3348. Missouri Botanical Garden.

Useful Plants and Fungi of Colombia

• Bernal, R., Gradstein, S.R., & Celis, M. (eds.). (2020). Catálogo de Plantas y Líquenes de Colombia. v1.1. Universidad Nacional de Colombia. Dataset/Checklist. https://doi.org/10.15472/7avdhn
• Burkill HM. (1995). The useful plants of west tropical Africa, Vols. 1-3. The useful plants of west tropical Africa, Vols 1-3.
• Dempewolf, H., Eastwood, R. J., Guarino, L., Khoury, C. K., Müller, J. V. & Toll, J. (2014). Adapting agriculture to climate change: a global initiative to collect, conserve, and use crop wild relatives. Agroecology and Sustainable Food Systems, 38, 369-377.
• Diazgranados et al. (2021). Catalogue of plants of Colombia. Useful Plants and Fungi of Colombia project. In prep.
• Diazgranados, M., Allkin, B., Black N., Cámara-Leret, R., Canteiro C., Carretero J., Eastwood R., Hargreaves S., Hudson A., Milliken W., Nesbitt, M., Ondo, I., Patmore, K., Pironon, S., Turner, R., Ulian, T. (2020). World Checklist of Useful Plant Species. Produced by the Royal Botanic Gardens, Kew. Knowledge Network for Biocomplexity.
• FPI (2021). Food Plants International. https://fms.cmsvr.com/fmi/webd/Food_Plants_World?homeurl=https://foodplantsinternational.com/plants/
• GBIF.org (2021). GBIF species matching tool. https://www.gbif.org/tools/species-lookup
• GRIN (2021). Germplasm Resources Information Network from the United States Department of Agriculture. https://www.ars-grin.gov/
• Instituto de Investigación de Recursos Biológicos Alexander von Humbodlt (2014). Plantas alimenticias y medicinales nativas de Colombia. 2567 registros, aportados por: Castellanos, C. (Contacto del recurso), Valderrama, N. (Creador del recurso, Autor), Bernal, Y. (Autor), García, N. (Autor). http://i2d.humboldt.org.co/ceiba/resource.do?r=ls_colombia_magnoliophyta_2014
• Instituto de Investigación de Recursos Biológicos Alexander von Humboldt. (2014). Plantas alimenticias y medicinales nativas de Colombia. 2567 registros, aportados por: Castellanos, C. (Contacto del recurso), Valderrama, N. (Creador del recurso, Autor), Bernal, Y. (Autor), García, N. (Autor). http://i2d.humboldt.org.co/ceiba/resource.do?r=ls_colombia_magnoliophyta_2014
• Medicinal Plant Names Services (MPNS) v.10 (2021); http://mpns.kew.org/
• PROTA (2021). Plants Resources of Tropical Africa. https://prota4u.org/database/
• RBG, Kew (2021). Kew Economic Botany Collection. https://ecbot.science.kew.org/
• Willis, K.J. (ed.) (2017). State of the World’s Plants 2017. Report. Royal Botanic Gardens, Kew.