Matricaria discoidea DC.

Native to:

Alaska, Alberta, Aleutian Is., Arizona, Arkansas, British Columbia, California, Colorado, Connecticut, Delaware, Greenland, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Manitoba, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nevada, New Brunswick, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Northwest Territorie, Nova Scotia, Nunavut, Ohio, Oklahoma, Ontario, Oregon, Pennsylvania, Prince Edward I., Québec, Rhode I., Saskatchewan, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming, Yukon

Introduced into:

Altay, Amur, Austria, Azores, Baltic States, Belarus, Belgium, Bulgaria, Buryatiya, Chatham Is., Czechoslovakia, Denmark, East European Russia, Finland, France, Føroyar, Germany, Great Britain, Greece, Guatemala, Hungary, Iceland, Inner Mongolia, Ireland, Irkutsk, Italy, Japan, Kamchatka, Kazakhstan, Khabarovsk, Kirgizstan, Korea, Krasnoyarsk, Krym, Kuril Is., Labrador, Leeward Is., Magadan, Manchuria, Mexico Southeast, Morocco, Netherlands, New South Wales, Newfoundland, North Caucasus, Northwest European R, Norway, Poland, Portugal, Primorye, Romania, Sakhalin, South Australia, South Georgia, Spain, Sweden, Switzerland, Tadzhikistan, Tasmania, Transcaucasus, Turkey, Tuva, Ukraine, Uzbekistan, Victoria, West Siberia, Western Australia, Yakutskiya, Yugoslavia

POWO follows these authorities in accepting this name:

• (2020). https://doi.org/10.11646/phytotaxa.471.3.1. epublication.
• Benedi, C. & al. (eds.) in Castroviejo, S. & al. (eds.) (2019). Flora Iberica 16(III): 1453-2353. Real Jardín Botánico, CSIC, Madrid.
• Flora of North America Editorial Committee (2006). Flora of North America North of Mexico 19: 1-579. Oxford University Press, New York, Oxford.
• GCC (2011). Global Compositae Checklist http://compositae.landcareresearch.co.nz/.
• 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.
• Meades, S.J. & Brouillet, L. (2019). Annotated Checklist of the Vascular Plants of Newfoundland and Labrador https://newfoundland-labradorflora.ca/checklist/.
• Nowak, A. & Nobis, M. (eds.) (2020). Illustrated Flora of Tajikistan and adjacent areas 1: 1-366. PAN, Polish academy of sciences.
• Pruski, J.F. (ed.) (2018). Flora Mesoamericana 5(2): 1-608. Universidad Nacional Autónoma de México, México, D.F.
• Stace, C. (2019). New Flora of the British Isles ed. 4: 1-1266. C & M Floristics.
• 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/.

An alternative taxonomy had been proposed by the following authorities:

• Wu, Z. & Raven, P.H. (eds.) (2011). Asteraceae. Flora of China 20-21: 1-992. Science Press (Beijing) & Missouri Botanical Garden Press (St. Louis). [Cited as Matricaria matricarioides.]
• 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. [Cited as Matricaria matricarioides.]

Kew Backbone Distributions

• (2020). https://doi.org/10.11646/phytotaxa.471.3.1. epublication.
• Aver'ianov, L.V. & al. (2006). Illyustrirovannyi opredelitel' rastenii Leningradskoi oblasti: 1-799. Nauka, Moskva.
• Benedi, C. & al. (eds.) in Castroviejo, S. & al. (eds.) (2019). Flora Iberica 16(III): 1453-2353. Real Jardín Botánico, CSIC, Madrid.
• Gorchakovskii, P.L. & al. (1994). Opredelitel' sosudistykkhrastenii srednego Urala: 1-524. Nauka, Moscow.
• Kharkevich, S.S. (ed.) (1992). Plantae Vasculares Orientalis Extremi Sovietici 6: 1-428. Nauka, Leningrad.
• Krasnoborov, I.M. (ed.) (2007). Flora of Siberia 13: 1-499. Scientific Publishers, Inc., Enfield, Plymouth.
• Malyschev, L.I., Peshkova, G.A. & Baikov, K.S. (eds.) (2007). Flora of Siberia 14: 1-210. Scientific Publishers, Inc., Enfield, Plymouth.
• Meades, S.J. & Brouillet, L. (2019). Annotated Checklist of the Vascular Plants of Newfoundland and Labrador https://newfoundland-labradorflora.ca/checklist/.
• 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.
• Pruski, J.F. (ed.) (2018). Flora Mesoamericana 5(2): 1-608. Universidad Nacional Autónoma de México, México, D.F.
• Stace, C. (2019). New Flora of the British Isles ed. 4: 1-1266. C & M Floristics.
• Zhao, Y.Z., Zhao, L.Q. & Rui, C. (eds.) (2019). Flora Intramongolica, edition 3, 5: 1-451. Typis Intramongolicae popularis, Huhhot.