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CCDB → Angiosperms → Scrophulariaceae → Scrophularia → Scrophularia umbrosa L.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Scrophularia umbrosa L. | Scrophularia umbrosa L. | 13,26 | 26,52 | IPCN online | Grau, J. 1979. The probable allopolyploid origin of Scrophularia auriculata and S. pseudoauriculata. Webbia 34: 497–499. 1. | ||
| Scrophularia umbrosa L. | Scrophularia umbrosa L. | 26 | IPCN online | Javurkova, V. 1979. In IOPB chromosome number reports LXIV. Taxon 28: 400–401. | |||
| ! | Scrophularia umbrosa L. | Scrophularia umbrosa L. | c.52 | Darlington, 1955 | Scheerer 1940 |