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CCDB → Angiosperms → Poaceae → Hierochloe → Hierochloe helenae Prob.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Hierochloe helenae Prob. | Hierochloe helenae Prob. | 28 | IPCN online | Probatova. 2006. Chromosome numbers of vascular plants from nature reserves of the Primorsky Territory and the Amur River basin. Bot. Žhurn. (Moscow & Leningrad) 91(7): 1117–1134. |