The essential oil of Chamaebatiaria millefolium from California is dominated by 24.90 ± 4.46% camphor, 17.36 ± 4.23% borneol, 11.17 ± 4.26% camphene, and 10.95 ± 4.59% α-pinene. The essential oil of Chamaebatia australis from California is dominated by no constituent greater than 10% but contains 7.07 ± 0.97% δ-cadinene, 6.84 ± 1.47% terpinen-4-ol, and 5.46 ± 1.50% linalool. The essential oil of Chamaebatia foliolosa from California is dominated by 12.90 ± 3.67% unidentified sesquiterpene alcohol and 15.96 ± 6.61% viridiflorol. No scientific literature exists to substantiate the medicinal claims for “Chamae Rose.” Neither Chamaebatiaria multiflorium nor Chamabatiaria nelleae exist in the scientific literature.