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CCDB → Angiosperms → Rosaceae → Spiraea → Spiraea stevenii (C. K. Schneid.) Rydb.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Spiraea stevenii (C. K. Schneid.) Rydb. | Spiraea stevenii (C. K. Schneid.) Rydb. | 18 | IPCN online | ZHUKOVA, P. G. 1980. Chromosome numbers of some Southern Chukotka plant species. Bot. Zhurn. 65 (1): 51–59. | ||
| ! | Spiraea stevenii (C. K. Schneid.) Rydb. | Spiraea stevenii (C. K. Schneid.) Rydb. | 18 | IPCN67-71 | ZHUKOVA, P. G. 1967. Chromosome numbers in some species of plants of the north-eastern part of the USSR. II. (In Russian). Bot. Zhur. 52: 983-987. |