Aven Nelson: Father of the Rocky Mountain Herbarium

Aven Nelson, 1931, Headshot

“The sentry cited the group with multiple infractions – not understanding the botanical work and the materials necessary to collect and archive specimens.” June 24, 1899 On this day, a Yellowstone Park Sentry discovered six people camped beside the Madison River inside Yellowstone National Park.   The group consisted of Professor and botanist Aven Nelson…

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