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CCDB → Angiosperms → Adoxaceae → Viburnum → Viburnum opulus subsp. calvescens (Rehder) Sugim.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Viburnum opulus var. calvescens (Rehder) H. Hara | Viburnum opulus subsp. calvescens (Rehder) Sugim. | 18 | IPCN online | Nishikawa, T. 1985. Chromosome counts of flowering plants of Hokkaido (9). J. Hokkaido Univ. Educ., Sect. 2B 36: 25–40. | |||
| ! | Viburnum opulus subsp. calvescens (Rehder) Sugim. | Viburnum opulus subsp. calvescens (Rehder) Sugim. | 18 | eFlora | |||
| ! | Viburnum sargentii f. calvescens (Rehder) Rehder | Viburnum opulus subsp. calvescens (Rehder) Sugim. | 18 | Cave1962 | Egolf 1962 |