| 31. | Pfizer, Merck and other major pharmaceutical companies support its investigations of medicinal plants.
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| 32. | He sent zoological materials and medicinal plants back to Spain.
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| 33. | Some species are at risk from overexploitation as medicinal plants.
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| 34. | Knowledge of medicinal plants in Indonesia has been handed down from generation to generation.
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| 35. | In East Africa it is used as a medicinal plant.
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| 36. | Pelikan produced a Goethean study of metals and medicinal plants.
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| 37. | He began studying herbs and medicinal plants while in Natchez.
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| 38. | He started a farm outside Tanjore for growing medicinal plants.
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| 39. | It also has many uses as a traditional medicinal plant.
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| 40. | Medicinal plants from the area do not grow any more.
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