The previous page is sending you to https://www.researchgate.net/publication/225432610_Natural_hybridisation_between_Populus_nigraL_and_P_x_canadensisMoench_Hybrid_offspring_competes_for_niches_along_the_Rhine_river_in_the_Netherlands.

 If you do not want to visit that page, you can return to the previous page.