Articles

• Lectotypification of the Name Rochelia persica (Boraginaceae)

  Mohammad Reza Abdollahi, Laurent Gautier, Farrokh Gahremaninejad

  1 - 4

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• Rubiacearum Americanarum Magna Hama Pars LIV. More New Species, Taxonomic Clarifications, and Lectotypifications in South American Palicourea (Palicoureeae)

  Charlotte M. Taylor

  5 - 33

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• Astragalus longifructus (Fabaceae), a New Species of Section Dissitiflori from Golestan Province, Iran

  Zahra Alirezaei, Farrokh Ghahremaninejad, Ali Asghar Maassoumi

  34 - 39

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• Clarification of Orthosia stipitata and the Description of Two New Species of Orthosia (Apocynaceae, Asclepiadoideae)

  W. D. Stevens

  40 - 43

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• A New Species of Zanthoxylum L. (Rutaceae) from Laguna Tecomapa in Nicaragua

  Carlos Reynel R.

  44 - 46

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• A New Species of Gonolobus (Apocynaceae, Asclepiadoideae) from Costa Rica

  Úrsula Wydrzycka , W. D. Stevens

  47 - 50

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• Hiraea florosa and H. speciosa (Malpighiaceae), Two Novelties from South America

  Christiane Anderson

  51 - 54

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