Peter Frisch (March 1996). "Isozyme Analysis of Intercontinental Disjuncts within Styrax (Styracaceae): Implications for the Madrean-Tethyan Hypothesis". American Journal of Botany. 83 (3): 342–355. doi:10.2307/2446169. JSTOR2446169.
jstor.org
Peter Frisch (March 1996). "Isozyme Analysis of Intercontinental Disjuncts within Styrax (Styracaceae): Implications for the Madrean-Tethyan Hypothesis". American Journal of Botany. 83 (3): 342–355. doi:10.2307/2446169. JSTOR2446169.