Appendices

Supplementary material for: Žarnovičan et al. (2026)

• Supplementary Data S1. – Additional data on MaxEnt modelling setup and results.
• Supplementary Fig. S1. – Map of the motorway network in Slovakia and adjacent areas.
• Supplementary Fig. S2. – Dittrichia graveolens population along the D2 motorway between the city of Bratislava and the town of Malacky.
• Supplementary Fig. S3. – Matrix displaying the Pearson correlation coefficient between pairs of selected bioclimatic variables.
• Supplementary Table S1. – List of occurrence points of Dittrichia graveolens along motorways in Slovakia, the Czech Republic and Austria, obtained from the car survey.
• Supplementary Table S2. – Distribution of occurrence points of Dittrichia graveolens based on altitude.