Xanthium spinosum L.
Engl.: spiny cockleburr, spiny clot burr, spiny clot-bur.
Deu.: Dornige Spitzklette.
Span.: abrojo, amor seco.
Bot. syn.: Acanthoxanthium spinosum (L.) Fourr.
Very very spiny young plants. Linnés trädgård, Uppsala, Sweden. Planted. 2003-06-20.
Branches in spiny seed. Marburg bot.g., Germany. Planted. 2006-10-02.
Classic texts: USDisp 1918.
Classic texts: Sayre 1917.
Classic texts: King's 1898.
Classic texts: Felter 1922.
Classic texts: Ellingwood 1919.
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