Question: what are dark green leafy vegetables?
Answer: Arugula (rocket) These are tender leaves with a sharp mustard or peppery flavor and usually tossed with other lettuces in salads. ... 
Bok choy (Chinese chard) ... 
Collard greens (collards) ... 
Dandelion greens. ... 
Kale. ... 
Mustard greens. ... 
Rapini (broccoli raab) ... 
Swiss chard.