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2. Onopordum acanthium - Wikipedia

   en.wikipedia.org/wiki/Onopordum_acanthium

   Onopordum acanthium (cotton thistle, Scotch (or Scottish) thistle) is a flowering plant in the family Asteraceae. It is native to Europe and Western Asia from the Iberian Peninsula east to Kazakhstan, and north to central Scandinavia, and widely naturalised elsewhere, [1][2][3] with especially large populations present in the United States and ...

3. Thistle - Wikipedia

   en.wikipedia.org/wiki/Thistle

   Thistle. Cirsium arizonicum, showing arachnoid cobwebbiness on stems and leaves, with ants attending aphids that might be taking advantage of the shelter. Thistle is the common name of a group of flowering plants characterized by leaves with sharp prickles on the margins, mostly in the family Asteraceae. Prickles can also occur all over the ...

4. Onopordum - Wikipedia

   en.wikipedia.org/wiki/Onopordum

   Onopordum. Acanos Adans. Acanthium Heist. ex Fabr. Onopordum, or cottonthistle, [3] is a genus of plants in the tribe Cardueae within the family Asteraceae. [4] They are native to southern Europe, northern Africa, the Canary Islands, the Caucasus, and southwest and central Asia. They grow on disturbed land, roadsides, arable land and pastures.

5. Silybum marianum - Wikipedia

   en.wikipedia.org/wiki/Silybum_marianum

   Silybum marianum. (L.) Gaertn. Silybum marianum is a species of thistle. It has various common names including milk thistle, [1] blessed milkthistle, [2] Marian thistle, Mary thistle, Saint Mary's thistle, Mediterranean milk thistle, variegated thistle and Scotch thistle (though not to be confused with Onopordum acanthium or Cirsium vulgare).

6. Cirsium vulgare - Wikipedia

   en.wikipedia.org/wiki/Cirsium_vulgare

   Cirsium vulgare, the spear thistle, bull thistle, or common thistle, is a species of the Asteraceae genus Cirsium, native throughout most of Europe (north to 66°N, locally 68°N), Western Asia (east to the Yenisei Valley), and northwestern Africa (Atlas Mountains). [3][4][5][6] It is also naturalised in North America, Africa, and Australia and ...

7. Cirsium arvense - Wikipedia

   en.wikipedia.org/wiki/Cirsium_arvense

   Creeping thistle is a herbaceous perennial plant growing up to 150 cm, forming extensive clonal colonies from thickened roots that send up numerous erect shoots during the growing season. [14] It is a ruderal species. [15] Given its adaptive nature, Cirsium arvense is one of the worst invasive weeds worldwide. Through comparison of its genetic ...