weeds

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Across
  1. 2. Annual weed that originated from asia and can look like a gras
  2. 5. good for domestsic livestock and big game
  3. 6. to much can cause cattle to develop pulmonary emphysema.
  4. 8. may have toxic levels of nitrite and are consumed by birds.
Down
  1. 1. Pioneers boiled and ate this weed
  2. 3. Originated in Eurasia
  3. 4. they are poisonous but not often eaten due to their burs.
  4. 7. toxic to cattle but sheep and goats can eat it.