Vascular Plants of the Americas
Tropicos
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Silphium
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Silphium radula
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Tropicos
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Silphium
radula
Nutt.
Published In:
Transactions of the American Philosophical Society, new series 7: 341. 1840. (Oct-Dec 1840) (
Trans. Amer. Philos. Soc., n.s.
)
Synonymy
Silphium gracile A. Gray
Silphium radula var. gracile (A. Gray) J.A. Clevinger
Silphium radula var. radula
Silphium reverchonii Bush
Silphium simpsonii var. wrightii L.M. Perry
Project Name Data
(Last Modified On 10/12/2017)
Acceptance :
Accepted
Checklist 2018 onwards
(Last Modified On 11/30/2021)
Updates by:
Jørgensen, Peter Møller
Reason(s) for update(s):
Changed or added synonymy
Geography:
Flora N America
Countries (within Regions):
United States of America [incl. Alaska]
Habit:
Herb
Checklist 2017
(Last Modified On 10/12/2017)
Geography:
Flora N America
Lower Taxa
Silphium
radula
var.
gracile
(A. Gray) J.A. Clevinger
=
Silphium
radula
Nutt.
Silphium
radula
var.
radula
=
Silphium
radula
Nutt.