Vascular Plants of the Americas
Tropicos
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Polypodiales
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Dryopteridaceae
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Dryopteris
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Dryopteris expansa
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Tropicos
China
Flora of Azerbaijan
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Dryopteris
expansa
(C. Presl) Fraser-Jenk. & Jermy
Published In:
Fern Gazette 11(5): 338. 1977. (
Fern Gaz.
)
Synonymy
Dryopteris assimilis S. Walker
Dryopteris dilatata subsp. americana (Fischer ex Kunze) Benedict
Nephrodium expansum C. Presl
Project Name Data
(Last Modified On 10/12/2017)
Acceptance :
Accepted
Checklist 2018 onwards
(Last Modified On 8/22/2022)
Updates by:
Jørgensen, Peter Møller
Reason(s) for update(s):
Changed or added synonymy
Geography:
Flora N America
Countries (within Regions):
Canada [incl. St. Pierre and Miquelon], Greenland, United States of America [incl. Alaska]
Habit:
Herb
Checklist 2017
(Last Modified On 10/12/2017)
Geography:
Flora N America