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Carduus undulatus
var.
megacephalus
Porter
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IPNI Life Sciences Identifier (LSID)
urn:lsid:ipni.org:names:45608-2
Family as entered in IPNI
Asteraceae
Links
Nomenclatural link
Carduus megacephalus
Smyth,
Trans. Kansas Acad. Sci. 16: 160 (1899).
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