
Erythroxylum coca, Tim Plowman & Wade Davis collection, Herbarium, Natural Hisotry Museum, Lima
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Erythroxylum coca v. ipadu, Tim Plowman, Richard Schultes & O. Tovar collection, Herbarium, Natural History Museum
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Erythroxylum novogranatense, Tim Plowman collection, Herbarium, Natural History Museum, Lima |

Erythroxylum novogranatense v. truxillense, Tim Plowman collection, Herbarium, Natural Hisotry Museum
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coca fields near Chulumani, Yungas
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coca drying, Irupana, Yungas
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coca & llipta, photo by H. Waller
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coca vendor, Puno, Peru, photo by H. Waller
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coca & llipta, Puno, Peru
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llipta & coca, Puno, Peru
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Hoja sagrada, photo by H. Waller
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Chuspa, detail by Efrain Ortuno, La Paz, Bolivia
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Hoja Millenaria by R. Usnayo, La Paz, Bolivia
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Art by R. Usnayo, La Paz, Bolivia
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mirrors, Coca Museum, R. Usnayo, La Paz, Bolivia
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