1. Abramoff MD, Magalhaes PJ, Ram SJ (2004) Image processing with ImageJ. Biophotonics Int 11(7):36–42
2. Acheampong V (2012) Phenotypic and molecular characterization of released and elite sweet potato varieties in Ghana compared with virus-tested putative ramets. Master of Science thesis
3. Albert NW, Davies KM (2014) Schwinn KE (2014) Gene regulation networks generate diverse pigmentation patterns in plants. Plant Signal Behav 9(9):e29526.
https://doi.org/10.4161/psb.29526
4. Austin DF (1988) The taxonomy, evolution and genetic diversity of sweetpotatoes and related wild species. In: Gregory P (ed) Exploration, maintenance, and utilization of sweetpotato genetic resources. International Potato Center, Lima, pp 27–60
5. Austin DF, Huamán Z (1996) A synopsis of Ipomoea (Convolvulaceae). Am Taxon 45:3–38