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Journal Article

PRELIMINARY REVISION OF THE NORTH AMERICAN SPECIES OF ECHINOCACTUS, CEREUS, AND OPUNTIA

JOHN M. COULTER
Contributions from the United States National Herbarium
Vol. 3, No. 7 (1896), pp. I-III, 355-462, I-IV
Stable URL: http://www.jstor.org/stable/23490781
Page Count: 113

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Topics: Fruits, Herbs, Pulvini, Plants, Flowers, Cactus, Wool, Umbilicus, Branches, Ellipses
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