**5. Conclusions**

The above-presented research concerning identification of three species of invasive or expansive plants using the Random Forest and Support Vector Machine classification methods, as well as various sets of input data, has led to the following conclusions:


**Author Contributions:** Conceptualization, A.S.-T. and B.Z.; methodology, A.S.-T. and E.R.; software, E.R.; validation, E.R. and A.S.-T.; formal analysis, A.S.-T. and E.R.; investigation, A.S.-T. and E.R.; data curation, A.S.-T.; writing—original draft preparation, A.S.-T.; writing—review and editing, B.Z. and E.R.; visualization, A.S.-T. and E.R.; supervision, B.Z. All authors have read and agreed to the published version of the manuscript.

**Funding:** This research has been carried out under the Biostrateg Programme of the Polish National Centre for Research and Development (NCBiR), "Natural Environment, Agriculture and Forestry" project DZP/BIOSTRATEG-II/390/2015: The innovative approach supporting monitoring of non-forest Natura 2000 habitats, using remote sensing methods (HabitARS, Consortium Leader: MGGP Aero; the project partners include the University of Lodz, the University of Warsaw, Warsaw University of Life Sciences, the Institute of Technology and Life Sciences, the University of Silesia in Katowice, Warsaw University of Technology). The publishing costs were covered by the Polish Ministry of Science and Higher Education, project the theme No. 500-D119-12-1190000.

**Acknowledgments:** The authors would like to thank the HabitARS Consortium, especially MGGP Aero for acquiring, pre-processing, and sharing the HySpex data. Data fusion procedures were conducted in the frame of the H2020-MSCA-RISE-2016: *innoVation in geOspatiaL and 3D daTA* (VOLTA)**,** Reference GA No. 734687. H2020 VOLTA activities are supported by the Polish Ministry of Science and Higher Education in the frame of H2020 co-financed projects No. 3934/H2020/2018/2 and 379067/PnH/2017. We are also grateful to the editors and anonymous reviewers for their constructive comments and suggestions that helped to improve this manuscript.

**Conflicts of Interest:** The authors declare no conflicts of interest.
