Cirsium tweedyi (Rydb.) Rydb.

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Online Resources

• GBIF
• Encyclopedia of Life
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Names and sources

Name	Source
Cirsium tweedyi (Rydb.) Rydb.	International Plant Names Index (IPNI) Accepted

Synonym	Source
Cirsium polyphyllum (Rydb.) Rydb. Heterotypic_Synonym	International Plant Names Index (IPNI)
Cirsium murdockii (S.L.Welsh) Cronquist Heterotypic_Synonym	International Plant Names Index (IPNI)
Carduus polyphyllus Rydb. Heterotypic_Synonym	International Plant Names Index (IPNI)
Carduus tweedyi Rydb. Homotypic_Synonym	International Plant Names Index (IPNI)
Cirsium eatonii var. murdockii S.L.Welsh Heterotypic_Synonym	International Plant Names Index (IPNI)

Classification

genus

Cirsium

species

Cirsium tweedyi

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Name references found in the Biodiversity Heritage Library

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Name references found in Trove

Genbank

Data sets	Licence	Records