Nevada botanist is creating state's first complete plant list

Editor Note: This story is being republished as part of a content-sharing agreement with the Sierra Nevada Ally. Before the inclement winter weather freezes them, during the warm days of spring or early summer, or the cool evenings of early fall, Arnold “Jerry” Tiehm, 70, digs up plants and quickly presses them in past-read newspaper sheets, so they do not wilt.