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Natural history

Endangered flower in the Engadine

I went for a hike with our host near the village Sera Plana in Switzerland, and he pointed out to me this flower by the side of the trail, which he said was endangered. I didn’t get the name, but I’m hoping he will add a comment to this entry!

We also saw a beautiful butterfly, orange with black spots, and some Eurasian Jays, which are brown with lovely blue black and white wings.


About Bill McCallum

I was born in Australia and came to the United States to pursue a Ph. D. in mathematics at Harvard University, met my wife, and never went back. I am a professor at the University of Arizona, working in number theory and mathematics education.


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