, Yverdon-les-Bains. One in five Swiss plants bloom in
At the initiative of Pierre Steiner, four members of the Cosny compiled a complete list of the local flora. They identified no less than 749 species. The fruits of their hard work are available online.
One in five plants in Switzerland grows in Yverdon-les-Bains. at least. It emerges from the Benedictine work done by Pierre Steiner five years earlier. Out of passion, this resident of Yavonanda, member of Yverdon-les-Bains. Division of Ornithology and Natural Sciences (Cosni), decided to conduct a survey of the municipal area to determine the exact vegetation to be found there.
Based on his initiative, it is this work of François Hofer, “Flor de Lausanne”, which lists minor traces of vegetation in the administrative center, divided into areas of one square kilometer. “I quickly realized that one day was not enough to explore such a surface. Therefore, I divided Yverdon into sections of 500 meters per side, each of which would have required two to three hours of research. is,” insists Pierre Steiner.
Quickly, he manages to seduce the four members of Cosney in search of his flowers. Including Henry Seppi, unfortunately died a year earlier. “He was a great botanist. I learned a lot from him. When illness didn’t allow him to go out into the field, we continued to use his infinite wisdom to bring him astonishing cones.” or small pouches containing undetermined species. “It never took him long to recognize him.”
Fifty plants are missing
As the list ends, Pierre Steiner can very accurately state that 749 of the 3847 Swiss plants can be seen at Yverdon. Some are everywhere, such as the official dandelion. Others were found at only one location. This is the case for the Eagle Fern, Black Columbine or Wood Geranium.
Other species will undoubtedly come to expand this already rich list. “We are missing about fifty that were listed by Henri Seppi. But it is possible that some have disappeared, for example due to global warming, underlines the amateur botanist. On the other hand, we found about fifty of them. found that he was unaware of his presence here.”
“Perennial Daisy is very common, but spectacular. Already because it flowers almost all year round.”
This is a complete list of the wild flora of Yverdon. reachable On the Kosny website. “Internet user can proceed in two ways. By clicking on a plant’s name, he will receive various data – specifically where to find it in Yverdon – and access to the Swiss reference site, infoflora, He can also choose any of the 64 regions and search for the flowers that shelter it. ,
And among this multitude of species, Pierre Steiner must have a furry or two. We dream of an orchid or flower whose name evokes a distant horizon. The answer is surprising, to say the least: perennial daisies. “She is very common, but spectacular. Already because it blooms almost all year round. And then, each of its petals, or its ligules, produces a seed that the bird or the wind will sow.”