I went on a "Botanische Woche" hiking tour in Zermatt, Switzerland, in July 2015. It was wonderful. There were 6 Americans, 10 Swiss, and one physician from Berlin. The Americans took me along as their interpreter, but everybody spoke English very well. Our guide was 78 years old, and climbed those mountains like a mountain goat. He knew all the flowers we came across, but he and the Swiss participants preferred to use the Latin names of the flowers. I had to keep asking for the German names, because it's the common names that give the folklore behind the plant. Pinguilara vulgaris is known as "common butterwort" in English.
-Joe-