Taxon Details: Sonchus asper (L.) Hill
Taxon Profile:
Narratives:
Family:
Asteraceae (Magnoliophyta)
Asteraceae (Magnoliophyta)
Scientific Name:
Sonchus asper (L.) Hill
Sonchus asper (L.) Hill
Accepted Name:
This name is currently accepted.
This name is currently accepted.
Common Names:
spiny sowthistle, prickly sowthistle, perennial sowthistle, spiny sowthistle, spiny-leaf sow-thistle
spiny sowthistle, prickly sowthistle, perennial sowthistle, spiny sowthistle, spiny-leaf sow-thistle
Flora and Monograph Treatment(s):
Sonchus asper (L.) Hill: [Book] Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
Sonchus asper (L.) Hill: [Book] Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
Related Objects:
• I. Sánchez 18a, Venezuela
• W. Fischer 212, Argentina
• N. H. Holmgren 14578, United States of America
• D. E. Atha 7573, United States of America
• D. E. Atha 7697, United States of America
• D. S. Correll 51291, Bahamas
• A. Duss 306, Martinique
• A. Duss 3387, Guadeloupe
• F. S. Collins 447, Bermuda
• D. E. Atha 9558, United States of America
• D. E. Atha 9653, United States of America
• D. E. Atha 9787, United States of America
• D. E. Atha 9870, United States of America
• D. E. Atha 10048, United States of America
• D. E. Atha 10048, United States of America
• D. E. Atha 10788, United States of America
• D. E. Atha 10861, United States of America
• D. E. Atha 10943, United States of America
• D. E. Atha 11021, United States of America
• D. E. Atha 11594, United States of America
• T. G. Lammers 13752, United States of America
• W. D. Longbottom 19645, United States of America
• D. E. Atha 13287, United States of America
• D. E. Atha 14094, United States of America
• W. D. Longbottom 16653, United States of America
• W. D. Longbottom 16655, United States of America
• W. D. Longbottom 16664, United States of America
• D. E. Atha 14500, United States of America
• D. E. Atha 14620, United States of America
• S. K. Harris 8803, United States of America
• R. Alvarez 201453, United States of America
• R. Alvarez 201460, United States of America
• R. Alvarez 201453, United States of America
• R. Alvarez 201460, United States of America
• J. DuPre 617, United States of America
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
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• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
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• Sonchus asper (L.) Hill
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• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
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• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
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• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
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• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
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• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
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• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
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• Sonchus asper (L.) Hill
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• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
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• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• R. R. Halse 9836, United States of America
• W. D. Longbottom 24159, United States of America
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• A. Butzke 10982, Brazil
• G. Eiten 1821, Brazil
• A. Arguello B. 119, Ecuador
• J. E. Leite 378, Brazil
• J. E. Leite 360, Brazil
• H. S. Irwin 2172, Brazil
• W. R. Anderson 35780, Brazil
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• A. Taylor 4248, Jamaica
• W. H. Leggett s.n., United States of America
• A. H. Liogier 16203, Dominican Republic
• A. H. Liogier 21513, Dominican Republic
• A. H. Liogier 23817, Dominican Republic
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• M. Griffin 40, United States of America
• E. N. Plank s.n., United States of America
• W. H. Blanchard 159, United States of America
• J. F. Poggenburg s.n., United States of America
• D. C. Thornburg 1075, United States of America
• M. H. Nee 43580, United States of America
• D. E. Atha 7373, United States of America
• M. H. Nee 54425, United States of America
• Sonchus asper (L.) Hill
• I. G. Vargas Caballero 4693, Bolivia
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• L. R. Holdridge 1213, Haiti
• S. W. Williams s.n., Japan
• D. Mishra 156, United States of America
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• J. Velasco 2811, United States of America
• C. Wright s.n., Japan
• C. Wright s.n., Japan
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• S. A. Mori 27984, United States of America
• W. D. Longbottom 24165, United States of America
• W. D. Longbottom 24166, United States of America
• D. Demarée 12921, United States of America
• E. Whitehouse 18067, United States of America
• B. C. Tharp s.n., United States of America
• B. C. Tharp s.n., United States of America
• B. C. Tharp s.n., United States of America
• P. Wilson, United States of America
• P. A. Rydberg 849, United States of America
• W. D. Longbottom 24162, United States of America
• W. D. Longbottom 24160, United States of America
• W. D. Longbottom 24163, United States of America
• W. D. Longbottom 24167, United States of America
• L. C. Hinckley 3586, United States of America
• P. A. Fryxell 2967, United States of America
• W. L. Tolstead 7128, United States of America
• W. H. Welch 387, United States of America
• A. M. Vail s.n., United States of America
• J. C. Blumer 1578, United States of America
• J. C. Blumer 1570, United States of America
• W. D. Longbottom 18572, United States of America
• Sonchus asper (L.) Hill
• W. D. Longbottom 14597, United States of America
• C. F. Baker 690, United States of America
• G. E. Osterhout s.n., United States of America
• L. M. Underwood 244, United States of America
• C. L. Shear 4792, United States of America
• J. K. Small 13267, United States of America
• T. L. Steiger 984, United States of America
• T. L. Steiger 1030, United States of America
• T. L. Steiger 1017, United States of America
• H. N. Moldenke 11410, United States of America
• L. C. Higgins 7170, United States of America
• A. P. Pinzl 9254, United States of America
• W. C. Ferguson, United States of America
• A. D. Granger, United States of America
• J. H. Lehr 729, United States of America
• W. H. Leggett, United States of America
• W. C. Ferguson s.n., United States of America
• H. N. Moldenke 7961, United States of America
• H. N. Moldenke 1845, United States of America
• A. Brown, United States of America
• M. L. Fernald 10725, United States of America
• H. N. Moldenke 2120, United States of America
• G. Schoolcraft 2117, United States of America
• R. H. Peebles 5937, United States of America
• U. T. Waterfall 1144, United States of America
• R. E. Penn 43, United States of America
• D. J. Pinkava L19065, United States of America
• S. M. Tracy 19a, United States of America
• V. L. Cory 52719, United States of America
• M. B. Croft s.n., United States of America
• L. C. Hinckley 1098, United States of America
• F. A. Barkley 13364, United States of America
• G. Jermy s.n., United States of America
• Collector unknown s.n., United States of America
• W. M. Canby s.n., United States of America
• W. H. Welch 387, United States of America
• Sonchus asper (L.) Hill
• D. Atwood 23895, United States of America
• H. Marriott 8219, United States of America
• R. R. Stewart 16345, Pakistan
• V. L. Cory 51723, United States of America
• S. R. Hill 14797, United States of America
• W. Meier 16114, Venezuela
• E. A. Mearns 1401, United States of America
• E. A. Mearns 1989, Kenya
• E. A. Mearns 342, Kenya
• W. Fischer 212, Argentina
• N. H. Holmgren 14578, United States of America
• D. E. Atha 7573, United States of America
• D. E. Atha 7697, United States of America
• D. S. Correll 51291, Bahamas
• A. Duss 306, Martinique
• A. Duss 3387, Guadeloupe
• F. S. Collins 447, Bermuda
• D. E. Atha 9558, United States of America
• D. E. Atha 9653, United States of America
• D. E. Atha 9787, United States of America
• D. E. Atha 9870, United States of America
• D. E. Atha 10048, United States of America
• D. E. Atha 10048, United States of America
• D. E. Atha 10788, United States of America
• D. E. Atha 10861, United States of America
• D. E. Atha 10943, United States of America
• D. E. Atha 11021, United States of America
• D. E. Atha 11594, United States of America
• T. G. Lammers 13752, United States of America
• W. D. Longbottom 19645, United States of America
• D. E. Atha 13287, United States of America
• D. E. Atha 14094, United States of America
• W. D. Longbottom 16653, United States of America
• W. D. Longbottom 16655, United States of America
• W. D. Longbottom 16664, United States of America
• D. E. Atha 14500, United States of America
• D. E. Atha 14620, United States of America
• S. K. Harris 8803, United States of America
• R. Alvarez 201453, United States of America
• R. Alvarez 201460, United States of America
• R. Alvarez 201453, United States of America
• R. Alvarez 201460, United States of America
• J. DuPre 617, United States of America
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
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• Sonchus asper (L.) Hill
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• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
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• Sonchus asper (L.) Hill
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• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
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• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
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• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
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• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
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• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
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• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
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• Sonchus asper (L.) Hill
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• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
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• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
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• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
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• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
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• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
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• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• R. R. Halse 9836, United States of America
• W. D. Longbottom 24159, United States of America
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• A. Butzke 10982, Brazil
• G. Eiten 1821, Brazil
• A. Arguello B. 119, Ecuador
• J. E. Leite 378, Brazil
• J. E. Leite 360, Brazil
• H. S. Irwin 2172, Brazil
• W. R. Anderson 35780, Brazil
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• A. Taylor 4248, Jamaica
• W. H. Leggett s.n., United States of America
• A. H. Liogier 16203, Dominican Republic
• A. H. Liogier 21513, Dominican Republic
• A. H. Liogier 23817, Dominican Republic
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• M. Griffin 40, United States of America
• E. N. Plank s.n., United States of America
• W. H. Blanchard 159, United States of America
• J. F. Poggenburg s.n., United States of America
• D. C. Thornburg 1075, United States of America
• M. H. Nee 43580, United States of America
• D. E. Atha 7373, United States of America
• M. H. Nee 54425, United States of America
• Sonchus asper (L.) Hill
• I. G. Vargas Caballero 4693, Bolivia
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• L. R. Holdridge 1213, Haiti
• S. W. Williams s.n., Japan
• D. Mishra 156, United States of America
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• J. Velasco 2811, United States of America
• C. Wright s.n., Japan
• C. Wright s.n., Japan
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• Sonchus asper (L.) Hill
• S. A. Mori 27984, United States of America
• W. D. Longbottom 24165, United States of America
• W. D. Longbottom 24166, United States of America
• D. Demarée 12921, United States of America
• E. Whitehouse 18067, United States of America
• B. C. Tharp s.n., United States of America
• B. C. Tharp s.n., United States of America
• B. C. Tharp s.n., United States of America
• P. Wilson, United States of America
• P. A. Rydberg 849, United States of America
• W. D. Longbottom 24162, United States of America
• W. D. Longbottom 24160, United States of America
• W. D. Longbottom 24163, United States of America
• W. D. Longbottom 24167, United States of America
• L. C. Hinckley 3586, United States of America
• P. A. Fryxell 2967, United States of America
• W. L. Tolstead 7128, United States of America
• W. H. Welch 387, United States of America
• A. M. Vail s.n., United States of America
• J. C. Blumer 1578, United States of America
• J. C. Blumer 1570, United States of America
• W. D. Longbottom 18572, United States of America
• Sonchus asper (L.) Hill
• W. D. Longbottom 14597, United States of America
• C. F. Baker 690, United States of America
• G. E. Osterhout s.n., United States of America
• L. M. Underwood 244, United States of America
• C. L. Shear 4792, United States of America
• J. K. Small 13267, United States of America
• T. L. Steiger 984, United States of America
• T. L. Steiger 1030, United States of America
• T. L. Steiger 1017, United States of America
• H. N. Moldenke 11410, United States of America
• L. C. Higgins 7170, United States of America
• A. P. Pinzl 9254, United States of America
• W. C. Ferguson, United States of America
• A. D. Granger, United States of America
• J. H. Lehr 729, United States of America
• W. H. Leggett, United States of America
• W. C. Ferguson s.n., United States of America
• H. N. Moldenke 7961, United States of America
• H. N. Moldenke 1845, United States of America
• A. Brown, United States of America
• M. L. Fernald 10725, United States of America
• H. N. Moldenke 2120, United States of America
• G. Schoolcraft 2117, United States of America
• R. H. Peebles 5937, United States of America
• U. T. Waterfall 1144, United States of America
• R. E. Penn 43, United States of America
• D. J. Pinkava L19065, United States of America
• S. M. Tracy 19a, United States of America
• V. L. Cory 52719, United States of America
• M. B. Croft s.n., United States of America
• L. C. Hinckley 1098, United States of America
• F. A. Barkley 13364, United States of America
• G. Jermy s.n., United States of America
• Collector unknown s.n., United States of America
• W. M. Canby s.n., United States of America
• W. H. Welch 387, United States of America
• Sonchus asper (L.) Hill
• D. Atwood 23895, United States of America
• H. Marriott 8219, United States of America
• R. R. Stewart 16345, Pakistan
• V. L. Cory 51723, United States of America
• S. R. Hill 14797, United States of America
• W. Meier 16114, Venezuela
• E. A. Mearns 1401, United States of America
• E. A. Mearns 1989, Kenya
• E. A. Mearns 342, Kenya
• D. E. Atha 7573, United States of America
• D. E. Atha 7373, United States of America
• D. E. Atha 7697, United States of America
• D. E. Atha 10788, United States of America
• D. E. Atha 10861, United States of America
• D. E. Atha 9558, United States of America
• D. E. Atha 9653, United States of America
• D. E. Atha 9787, United States of America
• D. E. Atha 9870, United States of America
• D. E. Atha 10048, United States of America
• D. E. Atha 10943, United States of America
• D. E. Atha 11021, United States of America
• D. E. Atha 11594, United States of America
• D. E. Atha 13287, United States of America
• D. E. Atha 14500, United States of America
• D. E. Atha 14620, United States of America
• D. E. Atha 14094, United States of America
• D. E. Atha 7373, United States of America
• D. E. Atha 7697, United States of America
• D. E. Atha 10788, United States of America
• D. E. Atha 10861, United States of America
• D. E. Atha 9558, United States of America
• D. E. Atha 9653, United States of America
• D. E. Atha 9787, United States of America
• D. E. Atha 9870, United States of America
• D. E. Atha 10048, United States of America
• D. E. Atha 10943, United States of America
• D. E. Atha 11021, United States of America
• D. E. Atha 11594, United States of America
• D. E. Atha 13287, United States of America
• D. E. Atha 14500, United States of America
• D. E. Atha 14620, United States of America
• D. E. Atha 14094, United States of America














