Brickell, C. D., ed. (2009). «International Code of Nomenclature for Cultivated Plants». Scripta Horticulturae (8th edición) (International Society of Horticultural Science) 10: 1-184. ISBN978-0-643-09440-6. Archivado desde el original el 13 de agosto de 2011. Consultado el 5 de marzo de 2020. «Art. 3.1: "The formal category which may comprise cultivars, individual plants or combinations thereof on the basis of defined character-based similarity is the Group"; Glossary: "Group - a formal category denoting an assemblage of cultivars, individual plants, or assemblages of plants on the basis of defined similarity"».
«Groups». HorTax.org. HorTax: Cultivated Plant Taxonomy Group. Archivado desde el original el 2 de julio de 2017. Consultado el 19 de julio de 2016.
plantwise.org
CABI's Plantwise database, for example, uses "cv. group".
web.archive.org
Brickell, C. D., ed. (2009). «International Code of Nomenclature for Cultivated Plants». Scripta Horticulturae (8th edición) (International Society of Horticultural Science) 10: 1-184. ISBN978-0-643-09440-6. Archivado desde el original el 13 de agosto de 2011. Consultado el 5 de marzo de 2020. «Art. 3.1: "The formal category which may comprise cultivars, individual plants or combinations thereof on the basis of defined character-based similarity is the Group"; Glossary: "Group - a formal category denoting an assemblage of cultivars, individual plants, or assemblages of plants on the basis of defined similarity"».
