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Some dendrologic comments on Steyermark's 'Flora of Missouri'
Vol 12, Iss 1, Page 1
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Materials toward a monograph of the genus Lippia. I
Vol 12, Iss 1, Page 6
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Materials toward a monograph of the genus Lippia. II
Vol 12, Page 73
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Distribution of Salvinia and Azolla in South America and Africa and connection with studies for control by insects
Vol 12, Page 121
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Materials toward a monograph of the genus Lippia. III
Vol 12, Iss 3, Page 130
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A new species of Bauhinia for the Flora of São Paulo
Vol 12, Page 185
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Materials toward a monograph of the genus Lippia. IV
Vol 12, Page 187
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Additions to the Lauraceae of Guatemala
Vol 12, Page 243
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Herbarium notes, II
Vol 12, Iss 5, Page 249
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Materials toward a monograph of the genus Lippia. V
Vol 12, Page 252
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The Potomac River as the natural barrier for Oxydendrum, Galax, and Hexastylis
Vol 12, Iss 6, Page 313
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Materials toward a monograph of the genus Lippia. VI
Vol 12, Page 331
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Isoetes in southeastern United States
Vol 12, Page 369
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Itinerary of Edouard Francois Andre in his expedition to the northern Andes 1875-76
Vol 12, Page 401
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Aristolochiaceae of Kentucky
Vol 12, Page 414
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New combinations in the family Acanthaceae
Vol 12, Page 427
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Two novelties in the Verbenaceae
Vol 12, Page 428
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Materials toward a monograph of the genus Lippia. VII
Vol 12, Page 429
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Generic limitations in the Hofmeisteria complex
Vol 12, Page 465
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A new variety of Penstemon
Vol 12, Iss 8, Page 477
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Materials towards a monograph of the genus Lippia. VIII
Vol 12, Iss 8, Page 480