Appendices

Supplementary material for: Skokanová et al. (2025)

• Supplementary Fig. S1. - Map showing the distribution of plants of Solidago canadensis and S. gigantea analysed.
• Supplementary Fig. S2. - Variation in the RGS of Solidago canadensis and S. gigantea plants.
• Supplementary Fig. S3. - Relationship between RGS and AGS (2 C-values) of Solidago canadensis and S. gigantea plants.
• Supplementary Fig. S4. - Boxplots depicting the absolute genome size (ASS)– 2 C-values (A) and Cx-values (B) of Solidago canadensis and S. gigantea plants.
• Supplementary Fig. S5. - Maximum likelihood phylogram based on ITS sequences.
• Supplementary Table S1. - Survey of the published chromosome numbers of Solidago canadensis and S. gigantea.
• Supplementary Table S2. - Locality details, including geographical coordinates, altitude, date and collectors of Solidago canadensis and S. gigantea and the number of plants included in the karyological analysis.
• Supplementary Table S3. - GenBank accession numbers and the origin of the plant material for the ITS and rpS15-ycf1 sequences of the Solidago plants analysed.