Vascular Plants of the Americas
Tropicos
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Asterales
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Asteraceae
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Cirsium
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Cirsium douglasii
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Tropicos
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Cirsium
douglasii
DC.
Published In:
Prodromus Systematis Naturalis Regni Vegetabilis 6: 643. 1837[1838]. (early Jan 1838) (
Prodr.
)
Synonymy
Carduus breweri (A. Gray) Greene
Carduus undulatus var. douglasii (DC.) Greene
Cirsium breweri (A. Gray) Jeps.
Cirsium douglasii var. breweri (A. Gray) D.J. Keil & C.E. Turner
Cirsium douglasii var. douglasii
Cnicus breweri A. Gray
Project Name Data
(Last Modified On 10/12/2017)
Acceptance :
Accepted
Checklist 2018 onwards
(Last Modified On 6/16/2021)
Updates by :
Jørgensen, Peter Møller
Reason(s) for update(s) :
Changed or added synonymy
Geography :
Flora N America
Habit :
Herb
Checklist 2017
(Last Modified On 10/12/2017)
Geography :
Flora N America
Lower Taxa
Cirsium
douglasii
var.
breweri
(A. Gray) D.J. Keil & C.E. Turner
=
Cirsium
douglasii
DC.
Cirsium
douglasii
var.
douglasii
=
Cirsium
douglasii
DC.