Madia exigua

Taxonavigation

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

Madia exigua (Sm.) A.Gray, 1872

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)

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, 2^nd Edition

International Plant Names Index. 2018. Madia exigua. Published online. Accessed: Feb. 23 2018.
Govaerts, R. et al. 2018. Madia exigua in Kew Science Plants of the World Online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2018 Feb. 23. Reference page.
Tropicos.org 2018. Madia exigua. Missouri Botanical Garden. Published online. Accessed: 23 Feb. 2018.
Hassler, M. 2018. Madia exigua. World Plants: Synonymic Checklists of the Vascular Plants of the World In: Roskovh, Y., Abucay, L., Orrell, T., Nicolson, D., Bailly, N., Kirk, P., Bourgoin, T., DeWalt, R.E., Decock, W., De Wever, A., Nieukerken, E. van, Zarucchi, J. & Penev, L., eds. 2018. Species 2000 & ITIS Catalogue of Life. Published online. Accessed: 2018 Feb. 23. Reference page.
USDA, ARS, Germplasm Resources Information Network. Madia exigua in the Germplasm Resources Information Network (GRIN), U.S. Department of Agriculture Agricultural Research Service. Accessed: 08-Apr-12.

English: Threadstem madia, small tarweed