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Orchid range. Arboretum.
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Orchid display in Gray Summit greenhouse passageway. Negative available at PHO 2006-2854. Mounted with PHO 2006-2864.
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1970 Orchid Show. Floral Display
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Ridgway Center, exterior. Looking northwest from Gladney Rose Garden. Linnean House on right.
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Ridgway Center, exterior. Front entrance with flags.
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Ridgway Center, exterior. North entrance.
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Research. Michigan. Hyrum Johnson and Sylvia Morhardt packing ecology wagon to go to Michigan. Mounted with PHO 2007-0078.
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Biophysical Ecology Research. Heat energy research. Mounted with PHO 2007-0089.
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Biophysical Ecology Research group.
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Research in Brazil 1940s. Schery - Cacao Country. Crossing Una River in Southern Bahia to reach trail to cacao plantations. MBG Bull. 34(6):149. Negative available at PHO 2007-0179.
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