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The Systematics and Evolution of Fuchsia Sect. Fuchsia (onagraceae)
Vol 69, Page 1
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Pollinator Maintenance vs. Fruit Production: Partitioned Reproductive Effort in Subdioecious Fuchsia Lycioides
Vol 69, Page 199
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The Mexican and Central American Species of Fuchsia (Onagraceae) Except for Sect. Encliandra
Vol 69, Page 209
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The Systematics and Evolution of Epilobium (Onagraceae) in South America
Vol 69, Page 239
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A Revision of the Southwestern Species of Amsonia (Apocynaceae)
Vol 69, Page 336
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A Synopsis of Moraea (Iridaceae) with New Taxa, Transfers, and Notes
Vol 69, Page 351
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Corm Morphology in Hesperantha (Iridaceae, Ixioideae) and a Proposed Infrageneric Taxonomy
Vol 69, Page 370
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Illinois Solanaceae in the Missouri Botanical Garden Herbarium and Biographical Sketches of Some Collectors
Vol 69, Page 382
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Illinois Convolvulaceae in the Missouri Botanical Gardeb Herbarium
Vol 69, Page 393
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Three New Species of Aphelandra (Acanthaceae) from Central America
Vol 69, Page 402
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Xyris Apureana Kral & Smith, A New Species of Xyris (Sect. Nematopis) from Venezuela
Vol 69, Page 412
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Xyris Nigrescens Kral, A New Species of Xyris (Sect, Nematopus) from Costa Rica
Vol 69, Page 415
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Chromosome Number of Byblis Liniflora Salisb. (Byblidaceae)
Vol 69, Page 418
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Preliminary Report on the Flora Project of La Selva Field Station, Costa Rica
Vol 69, Page 420
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Pseudocroton Tinctorius Muell. Arg., A Synonym of Capparis indica (L). Fawc. & Rendle
Vol 69, Page 426
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The Identity of the Panamanian Genus Dressleriopsis (Rubiaceae)
Vol 69, Page 427
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Plate Tectonic Constraints on the Biogeography of Middle America and the Caribbean Region
Vol 69, Page 432
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Vicariance Biogeography in Mesoamerica
Vol 69, Page 444
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The Enigma of the Central American Herpetofauna: Dispersals or Vicariance?
Vol 69, Page 464
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The Origin of the Pteridophyte Flora of Central America
Vol 69, Page 548
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Neotropical Floristic Diversity: Phytogeographical Connections Between Central and South America, Pleistocene Climatic Fluctuations, or an Accident of the Andean Orogeny?
Vol 69, Page 557
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A Review of the Phytogeographic Evidences for Pleistocene Climate Changes in the Neotropics
Vol 69, Page 594
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Changing Cenozoic Barriers and the Australian Paleobotanical Record
Vol 69, Page 625
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Wallace's Line: A Result of Plate Tectonics
Vol 69, Page 668
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Causes of Short-Term Sequential Changes in Fossil Plant Assemblages: Some Considerations Based on a Miocene Flora of the Northwest United States
Vol 69, Page 676
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Evolution and Systematics of the Onagraceae: Floral Anatomy
Vol 69, Page 735
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Starchy and Starchless Pollen in the Onagraceae
Vol 69, Page 748
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Wood Anatomy of Onagraceae: Further Species; Root Anatomy; Significance of Vestured Pits and Allied Structures in Dicotyledons
Vol 69, Page 755
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The Evolution and Systematics of Onagraceae: Leaf Anatomy
Vol 69, Page 770
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The Systematics and Evolution of Circaea (Onagraceae)
Vol 69, Page 804
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Nomenclatural Corrections in the Genus Camissonia (Onagraceae)
Vol 69, Page 995