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Asteraceae
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Sonchus
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Sonchus arvensis
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Sonchus arvensis subsp. arvensis
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Sonchus
arvensis
L. subsp.
arvensis
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Name
Reference
IPCN Reference
Gametophytic Count
Sporophytic Count
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Sonchus arvensis subsp. arvensis
Jalas, J. & K. Pellinen. 1985. Chromosome counts on Erigeron, Hieracium, Pilosella and Sonchus (Compositae), mainly from Finland. Ann. Bot. Fenn. 22: 45–47.
84-85
c.36
Sonchus arvensis subsp. arvensis
Kiehn, M., E. Vitek, E. Hellmayr, J. Walter, J. Tschenett, C. Justin & M. Mann. 1991. Beiträge zur Flora von Österreich: Chromosomenzählungen. Verh. Zool.-Bot. Ges. Wien 128: 19–39.
90-91
54
Sonchus arvensis subsp. arvensis
Morton, J. K. 1981. Chromosome numbers in Compositae from Canada and the U.S.A. Bot. J. Linn. Soc. 82: 357–368.
79-81
54