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A monograph of the genus Peixotoa (Malpighiaceae)
Vol 15, Page 1, Date 1982
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Notes on Neotropical Malpighiaceae I
Vol 15, Page 93, Date 1982
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The North American distribution of the genus Dryopteris
Vol 15, Page 141, Date 1982
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The genus Mirandea (Acanthaceae)
Vol 15, Page 171, Date 1982
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COMPOSITARUM MEXICANARUM PUGILLO SUPPLEMENTUM
Vol 15, Page 191, Date 1982
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The ferns of Steere and Harrington
Vol 15, Page 197, Date 1982
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LINUM MCVAUGHII, A NEW SPECIES FROM MEXICO
Vol 15, Page 205, Date 1982
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Comments on the Mielichhoferioïdeae of Central America, with the description of a new species of Synthetodontium
Vol 15, Page 209, Date 1982
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A new species of Rhychospora (Cyperaceae) from Venezuela
Vol 15, Page 311, Date 1982
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Botrychium rugulosum (Ophioglossaceae), a newly recognized species of evergreen grapefern in the Great Lakes area of North America
Vol 15, Page 315, Date 1982