He was born in Germany and emigrated to America as a teenager with his family. He later spent time in the Giverny, France artist colony near where Claude Monet lived. So Buehr was Impressionist-influenced, but his non-landscape paintings were of the American version of Impressionism that featured stronger drawing than the classical French style of Monet.
Sometime around when he was in Giverny, Buehr did a number of paintings of young women that included brightly colored, Japanese inspired parasols. Here are a few: