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David J. Keil +

Authority

(Savi) Tenore +

Basionyms

Carduus vulgaris + and Carduus lanceolatus +

Common name

Bull or common or spear thistle +, gros chardon +, chardon vulgaire ou lancéolé + and piqueux +

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Cirsium vulgare +

Distribution

St. Pierre and Miquelon +, Alta. +, B.C. +, Man. +, N.B. +, Nfld. and Labr. (Nfld.) +, N.S. +, Ont. +, P.E.I. +, Que. +, Sask. +, Ala. +, Alaska +, Ariz. +, Ark. +, Calif. +, Colo. +, Conn. +, Del. +, D.C. +, Fla. +, Ga. +, Idaho +, Ill. +, Ind. +, Iowa +, Kans. +, Ky. +, La. +, Maine +...

Elevation

0–2200 m +

Habitat

Invasive weed of disturbed sites, pastures, meadows, forest openings, roadsides +

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Cirsium vulgare +, Cirsium vulgare +, Cirsium vulgare +, Cirsium vulgare + and Cirsium vulgare +

Illustration copyright

Flora of North America Association +

Illustrator

John Myers +

Introduced

true +

Modification date"Modification date" is a predefined property that corresponds to the date of the last modification of a subject and is provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a>.

19:52:39, 5 November 2020 +

Number of lower taxa

0 +

Phenology

Flowering mostly summer (Jun–Sep), year round in areas with mild climates. +

Fl. Napol. +

1835 +

None +