Cather observed: "There is one book that I would rather have produced than all my novels. That is the Clements botany dealing with the wildflowers of the west" (by which she probably means Rocky Mountain Flowers).

In 1960, at the age of eighty-six, Clements published a lively memoir, Adventures in Ecology: Half a Million Miles: From Mud to Macadam, in which she told the story of "two plant ecologists who lived and worked together." It is extremely revealing in showing how many jobs Clements undertook in support of the couple's joint expeditions,