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Matricaria chamomilla

between 1935 and 1942

German Chamomile

Zea Mays

between 1935 and 1942

Corn

Gossypium

between 1935 and 1942

Cotton

Pimpinella anisum

between 1935 and 1942

Anise

Brassica nigra / Sinapis alb …

between 1935 and 1942

Black Mustard / White Mustar …

Cucurbita Pepo

between 1935 and 1942

Pumpkin

Cannabis sativa

between 1935 and 1942

American Hemp

Linum usitatissimum

between 1935 and 1942

Flax

Datura Stramonium

between 1935 and 1942

Jimson Weed