Whalen, Michael D (1979). "Allozyme Variation and Evolution in Solanum Section Androceras". Systematic Botany. 4 (3): 203–222. doi:10.2307/2418419. JSTOR2418419.
Whalen, Michael D (1979). "Allozyme Variation and Evolution in Solanum Section Androceras". Systematic Botany. 4 (3): 203–222. doi:10.2307/2418419. JSTOR2418419.