1) Calabrese Broccoli
2) Sprouting Broccoli
3) Purple Cauliflower (yes, that is a kind of broccoli).
Not included are Rapini (a.k.a. Broccoli Raab, which is actually
a kind of turnip); Kai Lan (Chinese Broccoli, which is a leafy
plant); and Romanesco Broccoli, which is an edible flower sometimes
considered a kind of cauliflower.