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One Hundred Years of the Missouri Botanical Garden
Vol 78, Page 1, Date 1991
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One Hundred Years of Plant Taxonomy, 1889-1989
Vol 78, Page 19, Date 1991
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A History of Botanical Nomenclature
Vol 78, Page 33, Date 1991
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Who Conquered the New World? Or Four Centuries of Exploration in An Indehiscent Capsule
Vol 78, Page 57, Date 1991
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Botanical Explorations in the American West-1889-1989: An Essay on the Last Century of a Floristic Frontier
Vol 78, Page 65, Date 1991
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The Niger and the Nile: Botanical Exploration Around Two African Rivers
Vol 78, Page 81, Date 1991
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Ticodendraceae: A New Family of Flowering Plants. [Introduction]
Vol 78, Page 87, Date 1991
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Neither Oak Nor Alder, But Nearly: The History of Ticodendraceae
Vol 78, Page 89, Date 1991
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Wood and Bark Anatomy of Ticodendron: Comments on Relationships
Vol 78, Page 96, Date 1991
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The Leaf Architecture of Ticodendron and the Application of Foliar Characters in Discerning its Relationships
Vol 78, Page 105, Date 1991
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Sieve-Element Characters of Ticodendron
Vol 78, Page 131, Date 1991
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Reproductive Morphology, Anatomy, and Relationships of Ticodendron
Vol 78, Page 135, Date 1991
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New Species of Panicum subgenus Dichanthelium (Poaceae: Paniceae) from South America
Vol 78, Page 152, Date 1991
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New Species of Chusquea (Poaceae: Bambusoideae) from Costa Rica
Vol 78, Page 164, Date 1991
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Panamanthus, a New Monotypic Genus of Neotropical Loranthaceae
Vol 78, Page 172, Date 1991
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Notes on Swartzia (Leguminosae: Swartzieae) Preliminary to the Flora of the Venezuelan Guayana
Vol 78, Page 177, Date 1991
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Cyrtocarpa Kunth (Anacardiaceae) in South America
Vol 78, Page 184, Date 1991
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Studies in Neotropical Paleobotany. VIII. The Pliocene Communities of Panama-Introduction and Ferns, Gymnosperms, Angiosperms (Monocots)
Vol 78, Page 190, Date 1991
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Studies in Neotropical Paleobotany. IX. The Pliocene Communities of Panama-Angiosperms (Dicots)
Vol 78, Page 201, Date 1991
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New Taxa of Solanum (Solanaceae) from Brazil, Colombia, Central America, and Venezuela
Vol 78, Page 224, Date 1991
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Especies Nuevas y Colecciones Notables de Dioscorea (Dioscoreaceae) en Mesoamerica
Vol 78, Page 245, Date 1991
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New Combinations and a New Variety in the Cyperaceae of Mesoamerica
Vol 78, Page 254, Date 1991
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A New Brazilian Species of Dalechampia subsect. Triphyllae (Euphorbiaceae)
Vol 78, Page 255, Date 1991
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Four New Species of Elaphoglossum (Elaphoglossaceae) from Venezuela
Vol 78, Page 259, Date 1991
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A New Species of Aristolochia (Aristolochiaceae) from Venezuela
Vol 78, Page 262, Date 1991
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On the Typification of Bignonia crucigera L. (Bignoniaceae)
Vol 78, Page 264, Date 1991
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Studies in Middle American Bromeliaceae I
Vol 78, Page 266, Date 1991
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Studies in Middle American Bromeliaceae II
Vol 78, Page 270, Date 1991
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Erratum: Erratum for Xyris (Xyridaceae) from the Planalto of Brazil
Vol 78, Page 271, Date 1991
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Studies of Angiosperm Phylogeny using Protein Sequences
Vol 78, Page 296, Date 1991
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Phytogeographical Relationships of the Genera of Angiosperms in the Fanjing Shan Mountain Range, Northeastern Guizhou, China
Vol 78, Page 338, Date 1991
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Revision del Genero Streptostachys (Poaceae-Panicoideae), Su Posicion Sistematica Dentro de la Tribu Paniceae
Vol 78, Page 359, Date 1991
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A Key to the Genera of Lauraceae in the New World
Vol 78, Page 377, Date 1991
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Two New Genera of Neotropical Lauraceae and Critical Remarks on the Generic Delimitation
Vol 78, Page 388, Date 1991
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Gamanthera (Lauraceae), A New Genus from Costa Rica
Vol 78, Page 401, Date 1991
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New Species of Lauraceae from Ecuador and Peru
Vol 78, Page 409, Date 1991
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Revisionary Studies in the Eriocaulaceae of Venezuela
Vol 78, Page 424, Date 1991
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Revision and Redefinition of the Genus Rondonanthus Herzog (Eriocaulaceae)
Vol 78, Page 441, Date 1991
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Synonymization of the Genera Comanthera and Carptotepala with Syngonanthus (Eriocaulaceae)
Vol 78, Page 460, Date 1991
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Studies in Neotropical Paleobotany. X. The Pliocene Communities of Panama- Composition, Numerical Representations, and Paleocommunity Paleoenvironmental Reconstructions
Vol 78, Page 465, Date 1991
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Leaf Architecture of the Chloranthaceae
Vol 78, Page 476, Date 1991
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Notes on the Systematics of Aristolochia Subsect Hexandrae
Vol 78, Page 497, Date 1991
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Calydorea Herbert (Iridaceae-Tigridieae): Notes on this New World Genus and Reduction to Synonymy of Salpingostylis, Cardiostigma, Itysa, and Catila
Vol 78, Page 504, Date 1991
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Chromosome Numbers in the Genus Nassauvia (Compositae-Mutisieae)
Vol 78, Page 512, Date 1991
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Dasylirion wheeleri Var. Durangense: A New Combination in the Nolinaceae
Vol 78, Page 516, Date 1991
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Two New Species of Hillia Subg. Ravnia (Rubiaceae) from Venezuela and Mexico
Vol 78, Page 521, Date 1991
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Ardisia lundelliana, A New Species of Myrsinaceae from Panama
Vol 78, Page 524, Date 1991
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Peltostigma parviflorum (Rutaceae), Nueva Especie de Costa Rica y Colombia
Vol 78, Page 527, Date 1991
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Two New Species of Trixis (Asteraceae-Mutisieae) from Paraguay
Vol 78, Page 531, Date 1991
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Intraspecific Variation in Pavetta rigida (Rubiaceae): Estimates of Reliability of Taxonomic Information
Vol 78, Page 535, Date 1991
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A Revision of Anthurium Section Pachyneurium (Araceae)
Vol 78, Page 539, Date 1991
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Monograph of the Neotropical Fern Genus Stigmatopteris (Dryopteridaceae)
Vol 78, Page 857, Date 1991
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Estudios Morfologicos en el Subgenero Dichanthelium de Panicum (Poaceae: Panicoidae: Paniceae), Con Especial Referencia a Panicum Sabulorum
Vol 78, Page 915, Date 1991
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A Revision of Raddiella (Poaceae: Bambusoideae: Olyreae)
Vol 78, Page 928, Date 1991
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Systematics and Chromosome Cytology of Eleutherine Herbert (Iridaceae)
Vol 78, Page 942, Date 1991
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Sulcus and Operculum Structure in the Pollen Grains of Iridaceae Subfamily Ixioideae
Vol 78, Page 950, Date 1991
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Systematic Placement of the Platanaceae in the Hamamelidae
Vol 78, Page 962, Date 1991
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Analisis Multivariado del Complejo de Tres Especies de Brunellia (Brunelliaceae)
Vol 78, Page 970, Date 1991
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Analisis Multivariado del Complejo de Tres Especies de Brunellia (Brunelliaceae)
Vol 78, Page 970, Date 1991
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Hybridity and Parentage of Begonia buimontana Yamamoto (Begoniaceae) from Taiwan
Vol 78, Page 995, Date 1991
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Caraipa (Guttiferae) del Peru
Vol 78, Page 1002, Date 1991
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Phylogenetic Assessment and Revised Circumscription of Cistanthe Spach (Portulacaceae)
Vol 78, Page 1009, Date 1991
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Leaf Morphology of Cistanthe Spach (Portulacaceae)
Vol 78, Page 1022, Date 1991
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Parsimony Analysis and Cladistic Reclassification of the Relhania Generic Group (Asteraceae-Gnaphalieae)
Vol 78, Page 1061, Date 1991
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A New Species of Costus (Costoideae, Zingiberaceae) from Veracruz, Mexico
Vol 78, Page 1081, Date 1991