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Rhipsalis in the West Indies - Britton, Nathaniel Lord, 1859 -1934 (New York Botanical Garden, 1909)

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Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1929)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1930)

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