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Ageratina shastensis

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Species of flowering plant

Ageratina shastensis
Conservation status

Vulnerable  (NatureServe)
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Ageratina
Species: A. shastensis
Binomial name
Ageratina shastensis
(Taylor & Stebbins) R. M. King & H. Rob.
Synonyms

Eupatorium shastensis Taylor & Stebbins

Ageratina shastensis is a species of snakeroot which is endemic to Shasta County, California. It is known by the common names Mt. Shasta snakeroot and Shasta eupatorium.

Description

Ageratina shastensis is a woody perennial which bears unassuming fluffy white flowers about a centimeter wide. It is an uncommon plant which grows in the cracks of limestone cliffs of the Mount Shasta, part of the Cascade Range.

Etymology

Ageratina is derived from Greek meaning 'un-aging', in reference to the flowers keeping their color for a long time. This name was used by Dioscorides for a number of different plants.

References

  1. "NatureServe Explorer - Ageratina shastensis". NatureServe Explorer Ageratina shastensis. NatureServe. 2022-05-30. Retrieved 30 May 2022.
  2. "Ageratina shastensis (D.W.Taylor & Stebbins) R.M.King & H.Rob.". The Global Compositae Checklist (GCC) – via The Plant List. Note that this website has been superseded by World Flora Online
  3. Nesom, Guy L. (2006). "Ageratina shastensis". In Flora of North America Editorial Committee (ed.). Flora of North America North of Mexico (FNA). Vol. 21. New York and Oxford: Oxford University Press – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
  4. "Ageratina shastensis". County-level distribution map from the North American Plant Atlas (NAPA). Biota of North America Program (BONAP). 2014.
  5. "Ageratina shastensis". Calflora. Berkeley, California: The Calflora Database.
  6. Keil, David J.; Powell, A. Michael (1993). "Ageratina shastensis". In Hickman, James C. (ed.). The Jepson Manual: Higher Plants of California. University and Jepson Herbaria.
  7. Gledhill, David (2008). "The Names of Plants". Cambridge University Press. ISBN 9780521866453 (hardback), ISBN 9780521685535 (paperback). pp 39

External links

Taxon identifiers
Ageratina shastensis
Eupatorium shastense


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