American botanist (1877-1955).
Charles Piper Smith (1877 – 1955) was an American botanist. Smith's work primarily involved the genus Lupinus, specifically the subgenus Platycarpos. His extensive field research was centralized to the western coast of the United States, with a large majority of his observations taking place in California and Oregon. Throughout his career, he published at least 150 botanical classifications consisting of both new species and new variants of already established species.