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Ivar Frederick Tidestrøm

American botanist (1864-1956) · Sweden · On the map · Scientists · Died at 91

Ivar Frederick Tidestrom was a Swedish-American botanist. He is best known for his volumes on the flora of the American Southwest.

Ivar Frederick Tidestrøm is read about 2 times a day, in 5 languages.

A typical day, 30 days to 26 September 2026

The middle day of the days counted, so one week of news cannot move it. The line under it is the last 120 days, one point a day.

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