Campanula / bellflower. Alpine wildflowers in Appenzell Alps, Switzerland, Europe.

Campanula, or bellflower (in the family Campanulaceae) blooms at Bötzel pass. August is a good month to see many attractive alpine wildflowers blooming in the Alpstein limestone range, Appenzell Alps, Switzerland, Europe. Appenzell Innerrhoden is Switzerland's most traditional and smallest-population canton (second smallest by area).