Grindelia squarrosa (Pursh) Dunal in Ukraine: current distribution and ecological and coenotic peculiarities


  • Vira V. Protopopova M.G. Kholodny Institute of Botany, NAS of Ukraine, Tereschenkivska St. 2, Kyiv, 01004 Ukraine & Ferenc Rákóczi II Transcarpathian Hungarian Institute, Koshut Sq. 6, Berehovo, 90200 Ukraine
  • Yakiv P. Didukh M.G. Kholodny Institute of Botany, NAS of Ukraine, Tereschenkivska St. 2, Kyiv, 01004 Ukraine
  • Vasyl S. Tkachenko M.G. Kholodny Institute of Botany, NAS of Ukraine, Tereschenkivska St. 2, Kyiv, 01004 Ukraine
  • Myroslav V. Shevera Ferenc Rákóczi II Transcarpathian Hungarian Institute, Koshut Sq. 6, Berehovo, 90200 Ukraine & M.G. Kholodny Institute of Botany, NAS of Ukraine, Tereschenkivska St. 2, Kyiv, 01004 Ukraine
  • Oksana Kucher M.G. Kholodny Institute of Botany, NAS of Ukraine, Tereschenkivska St. 2, Kyiv, 01004 Ukraine
  • Liudmyla V. Zavialova M.G. Kholodny Institute of Botany, NAS of Ukraine, Tereschenkivska St. 2, Kyiv, 01004 Ukraine
  • Anton P. Biatov Slobozhanskyi National Nature Park, st. Zarichna, 15, Krasnokutsk, Kharkiv region, Ukraine


Grindelia squarrosa, introduction, invasive species, natural habitat, naturalization


Grindelia squarrosa (Pursh) Dunal. (Asteraceae) is a species with high invasiveness capacity in Ukraine, especially in the Steppe zone. The first data on the finding of escaped plants in Europe were recorded in the 40's of the last century. There were three naturalization centres in Ukraine, from where the species began to spread. In the secondary range in Ukraine, G. squarrosa is characterized by high levels of seed productivity and germination, variable modes of dispersal, wide ecological and coenotic amplitudes and CSR-strategy. The trend continues with the spread of the species in western, north-western and northern directions, and today more than 300 localities confirming this trend are already known. In the past 20 years, 92 new localities have been recorded. G. squarrosa is a transformer, widespread in the southern regions of the Steppe zone. As a result, new plant communities are formed, reaching the syntaxonomic level of associations. In general, this species is recorded in communities of five vegetation classes. G. squarrosa has been identified within the territory of many protected areas of Ukraine. In terms of ecological indicators, the optimum of the species is in the Steppe zone. A distinctive feature of all the scales is that the amplitude towards the minimum is wider than the mean values of the maximum. It can be predicted that, due to the potential ability of the species to adapt and under the influence of climatic change, there is a higher probability that the species will spread in the future in northern and western directions. The condition for such an expansion is disturbance of meadow-steppe fringe xeromesic communities, with decreased coenotic competition.


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How to Cite

Protopopova, V. V. ., Didukh, Y. P., Tkachenko, V. S., Shevera, M. V., Kucher, O., Zavialova, L. V., & Biatov, A. P. (2021). Grindelia squarrosa (Pursh) Dunal in Ukraine: current distribution and ecological and coenotic peculiarities. Hacquetia, 20(2), 263–272. Retrieved from