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CCDB → Angiosperms → Compositae → Xanthium → Xanthium orientale subsp. californicum (Greene) Greuter
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Xanthium californicum Greene | Xanthium orientale subsp. californicum (Greene) Greuter | 36(1) | Asteracea | Probatova ＆ S. 1984b Bot. Zhurn. (Moscow ＆ Leningrad) |