Brassicaceae greens, Savoy, kohlrabi, and gai lan ("Brassica oleracea"), turnip, napa cabbage, bomdong, bok choy and rapini ("Brassica rapa"), rocket salad/arugula ("Eruca sativa"), garden cress ("Lepidium sativum"), watercress ("Nasturtium officinale") and radish ("Raphanus") and a few spices like horseradish ("Armoracia rusticana"), "Brassica", wasabi ("Eutrema japonicum"), white, Indian and black mustard ("Sinapis alba", "Brassica juncea" and "B. nigra" respectively). Vegetable oil is produced from the seeds of several species such as "Brassica napus" (rapeseed oil), perhaps providing the largest volume of vegetable oils of any species. Woad ("Isatis tinctoria") was used in the past to produce a blue textile dye (indigo), but
Mesclun of mesclun sold approximates the traditional blend of chervil, arugula, leafy lettuces and endive, depending on the season, anywhere from a dozen to three dozen different varieties of baby greens, including red and green oak leaves, romaine and lolla rossa lettuces, frisée, tatsoi, bok choy (joi choi), arugula, spinach, orach, mizuna, dandelion, mustard greens and garden cress may comprise what is commercially referred to as a "Spring mix". When available, locally grown, direct-from-the-farmer sourcing is recommended over commercial bulk packs for best flavor and freshness. Mesclun Mesclun () is a mix of assorted small young salad greens that originated in