Madia exigua
Madia exigua

Taxonavigation

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Taxonavigation: Asterales 
Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Eudicots
Cladus: Core eudicots
Cladus: Asterids
Cladus: Campanulids
Ordo: Asterales

Familia: Asteraceae
Subfamilia: Asteroideae
Tribus: Madieae
Subtribus: Madiinae
Genus: Madia
Species: Madia exigua

Name

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Madia exigua (Sm.) A.Gray, 1872

Synonyms

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  • Homotypic
    • Harpaecarpus exiguus (Sm.) A.Gray in W.H.Emory, Rep. U.S. Mex. Bound. 2(1): 101 (1859)
    • Sclerocarpus exiguus Sm. in A.Rees, Cycl. 31: n.° 3 (1815)
  • Heterotypic
    • Harpaecarpus exiguus var. macrocephalus Suksd. in Deutsche Bot. Monatsschr. 18: 97 (1900)
    • Harpaecarpus madarioides Nutt. in Trans. Amer. Philos. Soc., n.s., 7: 389 (1841)
    • Madia exigua subsp. macrocephala (Suksd.) Piper in Contr. U.S. Natl. Herb. 11: 576 (1906)
    • Madia filipes A.Gray in Proc. Amer. Acad. Arts 8: 391 (1873)
    • Madia filipes var. macrocephala Suksd. in Deutsche Bot. Monatsschr. 18: 97 (1900)

Distribution

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Native distribution areas:
  • Continental: Northern America
      • Canada (British Columbia), USA (California, Idaho, Montana, Nevada, Oregon, Washington), Mexico (Baja California Norte)

References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2nd Edition

References

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Vernacular names

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English: Threadstem madia, small tarweed
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