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cotton thistle, onoporde acanthe, Scotch cotton-thistle, Scotch-thistle, Scots thistle

Onopordum acanthium

Distribution
from FNA
AL; AZ; CA; CO; CT; DE; FL; IA; ID; IL; IN; KS; KY; MA; MD; MI; MN; MO; MT; NE; NJ; NM; NV; NY; OH; OK; OR; PA; RI; TX; UT; VA; VT; WA; WI; WV; WY; BC; NB; NS; ON; QC; Eurasia
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Discussion

Subspecies 3 (1 in the flora).

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 19, p. 88.
Parent taxa Asteraceae > tribe Cardueae > Onopordum
Sibling taxa
O. illyricum, O. tauricum
Subordinate taxa
O. acanthium subsp. acanthium
Name authority Linnaeus: Sp. Pl. 2: 827. (1753)
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