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Allium ampeloprasum
Allium cepa
Allium sativum
Allium schoenoprasum
Apium graveolens
Asparagus officinalis
Beta vulgaris
Brassica campestris
Brassica napus
Brassica oleracea var. acephala
Brassica oleracea var. botrytis
Brassica oleracea var. cauliflora
Brassica oleracea var. gemmifera
Colocasia esculenta
Coriandrum sativum
Cynara scolomus
Daucus carota
Eleocharis tuberosus
Ipomoea batatas
Lactuca sativa
Manihot esculenta
Medicago sativum
Pachyrhizus erosus
Petroselinum crispum
Raphanus sativus
Rheum raponticum
Solanum tuberosum
Spinacea oleracea
Rheum raponticum Rhubarb
Polygonaceae
Part used: Leaf (mostly petiole)