| Swida Opiz | |
| Publ. & Syn. | Thelycrania (Dumort.) Fourr., Ann. Soc. Linn. Lyon, sér. 2, 16: 394 (1868). |
| Notes | The Eurasian and the North American plants of Swida are often treated as two subspecies but differ consistently in several characters. We accept two species in accordance with recent North American and Russian usage. |
| Chromosomes | 44 (4x). - Far East (N), Alaska, Canada, U.S.A. - Numerous reports. We assume that all reports of tetraploids (by Löve and Löve 1975a and later sources) belong to this taxon. |
| Geography | Amphi-Pacific (E) - North American (N): ALA CAN GRL. |
| Parent taxon | Cornaceae |
| Child taxa |
Swida alba (L.) Opiz Swida sericea (L.) Holub |
| PAF ID | 6802 |