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Tessmannianthus, An Arborescent Genus of Melastomataceae New to Panama
Vol 76, Page 1, Date 1989
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Studies in Neotropical Paleobotany. VII. The Lower Miocene Communities of Panama-The La Boca Formation
Vol 76, Page 50, Date 1989
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A Revision of Mesoamerican Psychotria Subgenus Psychotria (Rubiaceae), Part I: Introduction and Species 1-16
Vol 76, Page 67, Date 1989
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Dianthoveus: A New Genus of Cyclanthaceae
Vol 76, Page 112, Date 1989
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Anatomia Reproductiva de Lacandonia schismatica (Lacandoniaceae)
Vol 76, Page 124, Date 1989
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Systematics of the Amazon Lilies, Eucharis and Caliphruria (Amaryllidaceae)
Vol 76, Page 136, Date 1989
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The Systematics and Evolution of Ludwigia Sect. Microcarpium (Onagraceae)
Vol 76, Page 221, Date 1989
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Two New Species of the Lupinus lanatus Complex
Vol 76, Page 303, Date 1989
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Augustus Fendler's Venezuelan Plant Collections
Vol 76, Page 310, Date 1989
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Augustus Fendler's Venezuelan Collections of Ferns and Fern Allies
Vol 76, Page 330, Date 1989
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A New Echeandia (Liliaceae) from Venezulan Guayana
Vol 76, Page 350, Date 1989
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Solanum toliaraea, A New Species from Madagascar
Vol 76, Page 351, Date 1989
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Note Concerning Festuca henriquesii (Gramineae) in Northern Portugal
Vol 76, Page 353, Date 1989
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Passiflora citrina, A New Species in Section Xerogona (Passifloraceae), from Mesoamerica
Vol 76, Page 354, Date 1989
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A New Species of Stryphnodendron (Fabaceae: Mimosoideae) from Amazonian Ecuador
Vol 76, Page 357, Date 1989
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A New Species of Hybanthus (Violaceae) from Panama
Vol 76, Page 360, Date 1989
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New Species and Combinations in Tropical American Polystichum (Dryopteridaceae)
Vol 76, Page 365, Date 1989
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New or Noteworthy Orchids for the Venezuelan Flora. VII. Additions in Maxillaria from the Venezuelan Guayana
Vol 76, Page 374, Date 1989
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Contribucion al Genero Mimosa (Mimosaceae)
Vol 76, Page 381, Date 1989
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A Revision of Mesoamerican Psychotria Subgenus Psychotria (Rubiaceae), Part II: Species 17-47
Vol 76, Page 386, Date 1989
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Study of the Flora of Rucamanque, Cautin Province, Chile
Vol 76, Page 444, Date 1989
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Novelties in the Lauraceae from Venezuelan Guayana
Vol 76, Page 462, Date 1989
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Taxonomic Studies in the Miconieae (Melastomataceae). III. Cladistic Analysis of Axillary-Flowered Taxa
Vol 76, Page 476, Date 1989
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A Survey of Reproductive Biology in Neotropical Melastomataceae and Memecylaceae
Vol 76, Page 496, Date 1989
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Floral Nectaries in Melastomataceae and Their Systematic and Evolutionary Implications
Vol 76, Page 519, Date 1989
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A Systematic Revision of Fuchsia Sect. Quelusia (Onagraceae)
Vol 76, Page 532, Date 1989
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Observations on Polyploidy in Fuchsia Sects. Quelusia and Kierschlegeria (Onagraceae)
Vol 76, Page 585, Date 1989
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Notes on the Cordia panamensis Complex (Boraginaceae) and a New Species from Colombia
Vol 76, Page 593, Date 1989
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A New Aspidogyne (Orchidaceae) from Venezuelan Guayana
Vol 76, Page 596, Date 1989
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Three New Species of Bomarea (Alstroemeriaceae) from Mesoamerica
Vol 76, Page 598, Date 1989
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Hosta yingeri (Liliaceae/Funkiaceae): A New Species from Korea
Vol 76, Page 602, Date 1989
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Lindsaea mesarum, A New Fern Species from the Roraima Sandstone
Vol 76, Page 605, Date 1989
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Two New Species of Passiflora Section Decaloba (Passifloraceae) from Costa Rica
Vol 76, Page 608, Date 1989
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Passiflora mayarum, a New Species Related to P. prolata in Subgenus Passiflora (Passifloraceae)
Vol 76, Page 615, Date 1989
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A New Species of Urginea (Liliaceae) in Nigeria
Vol 76, Page 623, Date 1989
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Plant taxa described by Julian A. Steyermark
Vol 76, Page 652, Date 1989
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Notes on Araceae
Vol 76, Page 917, Date 1989
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A Revision of Ampelocera (Ulmaceae)
Vol 76, Page 1087, Date 1989