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CCDB → Angiosperms → Compositae → Arctium → Arctium × ambiguum (Čelak.) Nyman
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Arctium × ambiguum (Čelak.) Nyman | Arctium × ambiguum (Čelak.) Nyman | 36 | Slovakia Database | Májovský J. et al., 1970a: Index of chromosome numbers of Slovakian flora (Part 1). - Acta Fac. Rerum Nat. Univ. Comen., Bot. 16: 1-26. | ||
| ! | Arctium × ambiguum (Čelak.) Nyman | Arctium × ambiguum (Čelak.) Nyman | 36(1) | Asteracea | Murin ＆ V. 1970 Acta Fac. Rerum Nat. Univ. Comenianae Bot. Bratislava | ||
| ! | Arctium × ambiguum (Čelak.) Nyman | Arctium × ambiguum (Čelak.) Nyman | 36(1) | Asteracea | Probatova et al. 1991 Bot. Zhurn. (Moscow ＆ Leningrad) |