genusSonchus Show Lower Taxa Sonchus arvensis, Sonchus asper, Sonchus oleraceus, Sonchus palustris, Sonchus tenerrimus Linnaeus Sp. Pl. 2: 793. 1753.
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familyAsteraceae tribeAsteraceae tribe Cichorieae genusSonchus speciesSonchus oleraceus Linnaeus Sp. Pl. 2: 794. 1753. Philip E. Hyatt Common names: Common sow-thistle laiteron
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Spiny-leaf sow-thistle laiteron rude IntroducedIllustrated Basionym: Sonchus oleraceus var. asper Linnaeus Sp. Pl. 2: 794. 1753 Treatment appears in FNA Volume
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