Mibuna vs. Mizuna

Mibuna and Mizuna Definitions
Mibuna
A leaf vegetable used in Japanese cooking, Brassica rapa nipposinica or Brassica rapa japonica
Mizuna
An edible plant (Brassica rapa subsp. nipposinica) in the mustard family, having dark green, glossy, feathery leaves and white stems.
Mizuna
One of several tangy green vegetables used in Japanese cuisine, usually Brassica rapa var. nipposinica