Ageratina occidentalis

Ageratina occidentalis

Taxonavigation

Taxonavigation: Asterales
Classification System: APG IV Superregnum: Eukaryota Regnum: Plantae Cladus: Angiosperms Cladus: Eudicots Cladus: Core eudicots Cladus: Asterids Cladus: Campanulids Ordo: Asterales

Ageratina occidentalis (Hook.) R.M.King & H.Rob., Phytologia 19: 224. 1970.

Basionym
- Eupatorium occidentale Hook., Fl. Bor.-Amer. 1: 305. 1833.
Homotypic
- Kyrstenia occidentalis (Hook.) Greene, Leafl. Bot. Observ. Crit. 1: 9. 1903.
Heterotypic
- Eupatorium berlandieri A.Gray, Rep. U. S. Mex. Bound., Bot. 76. 1819.
- Eupatorium oregonum Nutt., Trans. Amer. Philos. Soc. 7: 286. 1841.

Native distribution areas:
Continental: Northern America Regional: Northwestern U.S.A. Idaho, Montana, Oregon, Washington Regional: Southwestern U.S.A. California, Nevada, Utah. References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2^nd Edition

King, R.M. & Robinson, H. 1970. Studies in the Eupatorieae (Compositae). XIX. New combinations in Ageratina. Phytologia 19: 208–229. BHL Reference page.
Nuttall, T. 1840. Descriptions of new species and genera of plants in the natural order of the Compositae, collected in a tour across the continent to the Pacific, a residence in Oregon, and a visit to the Sandwich Islands and upper California, during the years 1834 and 1835. Transactions of the American Philosophical Society, held at Philadelphia, for promoting useful knowledge, n.s.[new series][ser. 2], 7: 283–453. BHL Reference page.

International Plant Names Index. 2018. Ageratina occidentalis. Published online. Accessed: January 07 2018.

The Plant List 2013. Ageratina occidentalis in The Plant List Version 1.1. Published online. Accessed: 2018 January 07.

Tropicos.org 2018. Ageratina occidentalis. Missouri Botanical Garden. Published online. Accessed: 07 January 2018.

Hassler, M. 2018. Ageratina occidentalis. 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 January 07. Reference page.

USDA, ARS, Germplasm Resources Information Network. Ageratina occidentalis in the Germplasm Resources Information Network (GRIN), U.S. Department of Agriculture Agricultural Research Service. Accessed: 08-Apr-12.

English: Western Snakeroot

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