"Broccoli". Agricultural Marketing Resource Center, US Department of Agriculture. 1 June 2018. Archived from the original on 1 July 2019. Retrieved 27 June 2019.
Branca, Ferdinando (2008), Prohens, Jaime; Nuez, Fernando (eds.), "Cauliflower and Broccoli", Vegetables I: Asteraceae, Brassicaceae, Chenopodicaceae, and Cucurbitaceae, Handbook of Plant Breeding, vol. 1, New York, NY: Springer, pp. 151–186, doi:10.1007/978-0-387-30443-4_5, ISBN978-0-387-30443-4
Branham, Sandra E.; Stansell, Zachary J.; Couillard, David M.; Farnham, Mark W. (1 March 2017). "Quantitative trait loci mapping of heat tolerance in broccoli (Brassica oleracea var. italica) using genotyping-by-sequencing". Theoretical and Applied Genetics. 130 (3): 529–538. doi:10.1007/s00122-016-2832-x. ISSN1432-2242. PMID27900399. S2CID2361874.
Branham, Sandra E.; Stansell, Zachary J.; Couillard, David M.; Farnham, Mark W. (1 March 2017). "Quantitative trait loci mapping of heat tolerance in broccoli (Brassica oleracea var. italica) using genotyping-by-sequencing". Theoretical and Applied Genetics. 130 (3): 529–538. doi:10.1007/s00122-016-2832-x. ISSN1432-2242. PMID27900399. S2CID2361874.
"Broccoli production". Pennsylvania State University, Extension Service. 20 June 2005. Archived from the original on 19 February 2021. Retrieved 10 February 2021.
Branham, Sandra E.; Stansell, Zachary J.; Couillard, David M.; Farnham, Mark W. (1 March 2017). "Quantitative trait loci mapping of heat tolerance in broccoli (Brassica oleracea var. italica) using genotyping-by-sequencing". Theoretical and Applied Genetics. 130 (3): 529–538. doi:10.1007/s00122-016-2832-x. ISSN1432-2242. PMID27900399. S2CID2361874.
"Broccoli production". Pennsylvania State University, Extension Service. 20 June 2005. Archived from the original on 19 February 2021. Retrieved 10 February 2021.
"Broccoli". Agricultural Marketing Resource Center, US Department of Agriculture. 1 June 2018. Archived from the original on 1 July 2019. Retrieved 27 June 2019.
Branham, Sandra E.; Stansell, Zachary J.; Couillard, David M.; Farnham, Mark W. (1 March 2017). "Quantitative trait loci mapping of heat tolerance in broccoli (Brassica oleracea var. italica) using genotyping-by-sequencing". Theoretical and Applied Genetics. 130 (3): 529–538. doi:10.1007/s00122-016-2832-x. ISSN1432-2242. PMID27900399. S2CID2361874.