1998 Annual Meeting of the
Botanical Society of America
2-6 August, 1998   Baltimore, MD

Summary Abstract Index, By Author


All abstracts below have been submitted to the site and are available as hyperlinks. Following the title is a code letter indicating the section to which the abstract was submitted. (The following hyperlink connects to the section's author index.)

 General Index of All BSA Abstracts, by: All Authors, Titles, Keywords
 Guide to Section and Symposium Indexes | Full Text Search Engine


List of Abstracts received so far:

  1. ABRAHAMSON, WARREN G.* AND GEORGE MELIKA. - Gall-inducing insects (Cynipinae) provide insights into plant systematic relationships. - [S]
  2. ALBACH, DIRK C. 1*, PAMELA S. 1 SOLTIS, DOUGLAS E. 1 SOLTIS, AND RICHARD G. 2 OLMSTEAD. - Phylogenetic Analysis of the Asteridae s.l. Based on Sequences of Four Genes. [S]
  3. ALDRICH, PRESTON R. - Gene flow and dispersal of pollen and seed with respect to population and forest structure. [G-symposium]
  4. ALIX, MITCHELL* AND ROBIN W. SCRIBAILO. - Correlations between inflorescence architecture and reproductive success in Potamogeton amplifolius . [D]
  5. ALLAN, GERARD J. - Lotus L. (Loteae: Fabaceae): subgeneric delimitation and relationships to CoronillaL. (Coronilleae). [S]
  6. ALLPHIN, LOREEN AND MICHAEL D. WINDHAM.* - Genetic variability and genetic drift in the rare Kachina daisy (Erigeron kachinensis) from southeastern Utah. [G] [Poster]
  7. ALVERSON, WILLIAM S.*, BARBARA A. WHITLOCK, RETO NYFFELER, AND DAVID A. BAUM. - Phylogeny of core Malvales: evidence from ndhF sequence data. [S]
  8. ANDERS, CONSTANCE M.*, NICHOLAS DROZDA, AND ZACK E. MURRELL. - Genotypic and phenotypic variation in Spiraea virginiana Britton. [S]
  9. ANDERSON, LORAN C. - Cacalia in America: from Arnoglossum to Yermo. [S-symposium]
  10. ANTLFINGER, ANN E. - Effect of water and nutrient additions on growth of Spiranthes cernua (Orchidaceae). [E] [Poster]
  11. APPLEQUIST, WENDY L.* AND ROBERT S. WALLACE. - Molecular systematic appraisal of Tribe Anacampseroteae (Portulacaceae). [S]
  12. APSIT, VICTORIA J.*, JAMES L. HAMRICK, AND JOHN D. NASON. - Genetic consequences of fragmentation in a Costa Rican dry forest tree species. - [G-symposium]
  13. ARNOLD, MICHAEL L. - Paradigm Lost: Natural Hybridization and Evolution. [Z-symposium]
  14. ASHWORTH, VANESSA E. T. M. - Phylogenetic relationships in the mistletoe genus Phoradendron Nutt. (Viscaceae) inferred from molecular and anatomical data. [S]
  15. AUER, CAROL A.*, A. ESTER SZTEIN, ANDERS OSTIN, AND GORAN SANDBERG. - Cytokinin identification, metabolism and activity in five lower plant species. [P] [Poster]
  16. AXSMITH, BRIAN J.*, THOMAS N. TAYLOR, AND EDITH L. TAYLOR. - A new cheirolepidiaceous conifer from the Lower Jurassic of North America. [F]
  17. BALDWIN, BRUCE G.* AND STACI MARKOS. - Phylogenetic utility of the external transcribed spacer (ETS) of 18S-26S rDNA: Congruence of ETS and ITS trees of Calycadenia (Compositae). [S]
  18. BALLARD, JR., HARVEY E.*, KEN INOUE, AND KENNETH J. SYTSMA. - Phylogenetic relationships and biogeography of Japanese violets (Viola) based on Internal Transcribed Spacer DNA sequences. [S]
  19. BALSAMO, RONALD A.*, THOMAS J. HERSHBERGER, REBECCA L. BYARD, AND LARA E. GOODE. - The impact of trail maintenance and ecotourism on understory floral biodiversity of the rainforsts of Costa Rica. [E] [Poster]
  20. BARABÉ, DENIS. - Morphological and systematic studies in Begonia and Araceae using collections at the Montreal Botanical Garden. [S-symposium]
  21. BARBER1, JANET C.*, JAVIER FRANCISCO-ORTEGA2, ARNOLDO SANTOS-GUERRA3, AND ROBERT K. JANSEN1. - Chloroplast DNA evidence for the evolution of the endemic subgenus Marrubiastrum (genus Sideritis; Lamiaceae) in Macaronesia. [S]
  22. BARKLEY, THEODORE M. - Systematics of the North American Senecioneae: Introduction to the Colloquium. [S-symposium]
  23. BARKLEY, THEODORE M. - COLLOQUIUM: Systematics of the North American Senecioneae. [S-symposium]
  24. BARNETT, NEAL. - Economic Botany at UM: capitalizing on life experience. [B-symposium]
  25. BARONE LUMAGA, M. R.*, J. E. MICKLE, AND P. DE LUCA. - Stomatal and epidermal morphology in developing axes of Psilotum nudum. [D] [Poster]
  26. BARRADAS, VíCTOR L.* AND ALFREDO RAMOS-VÁZQUEZ. - Stomatal conductance in a xerophylus shrubland which is developing in a lava substratum. - [E]
  27. BART, DAVID J.*, DIANA RAICHEL, AND JEANMARIE HARTMAN. - The effects of transpiration rates on Phragmites australis dieback in a filled salt marsh. [E]
  28. BARTHLOTT, WILHELM AND CHRISTOPH NEINHUIS.* - The Lotus-Effect: a paradigm for the use of a natural design for technical application.. [D]
  29. BARTHLOTT, WILHELM, CHRISTOPH NEINHUIS*, INGE THEISEN, AND FRIEDERICH DITSCH. - Epicuticular wax micromorphology and angiosperm classification. [S] [Poster]
  30. BASKIN, CAROL C. - Some reflections on three decades of attending the annual meeting of the Botanical Society of America. [Z-symposium]
  31. BASKIN, JERRY M.* AND CAROL C. BASKIN. - Vegetation of limestone and dolomite glades in the Ozarks and Midwest Regions of the United States: A review. [E]
  32. BATES, DAVID M. - Ethnobotany meets biotechnology. [B-symposium]
  33. BATTAGLIA, L. L.* AND R. R. SHARITZ. - Hurricane disturbance increases spatial complexity of the environment: implications for regeneration patterns in floodplain forest communities. [E-symposium]
  34. BAYER, CLEMENS, MICHAEL F. FAY, ANETTE Y. DE BRUIJN, AND MARK W. CHASE.* - Molecular systematics of Malvales. [S]
  35. BEAMAN, REED S. - Phylogeny of Elatostema (Urticaceae) from Mount Kinabalu, Sabah, Malaysia, and the relationship between distribution and endemicity to environmental characteristics. [S-symposium]
  36. BENNERT, H. WILFRIED. - Risk analysis for pteridophytes in Germany. [O-symposium]
  37. BERNARDELLO, G., G. J. ANDERSON*, P. LOPEZ S., M. CLELAND, T. F. STUESSY, AND D. J. CRAWFORD. - Reproductive biology of Lactoris fernandeziana (Lactoridaceae). [E]
  38. BEYRA M., ANGELA AND MATT LAVIN.* - Phylogenetic systematics of Pictetia (Leguminosae) with a preliminary circumscription of aeschynomenoid legumes. [S]
  39. BHARATHAN, GEETA*, TOM GOLIBER, AND NEELIMA SINHA. - Compound leaf development and evolution in angiosperms: a preliminary systematic study. [S]
  40. BHAT, RAMAKRISHNA, B.* AND DARRELL, J. WEBER. - The significance of epidermal characters in the taxonomy of the Bombacaceae. [S]
  41. BOHS, LYNN. - Evolutionary relationships of the tree tomato, Solanum betaceum, (Solanaceae) and its wild relatives. [S]
  42. BORSCH, THOMAS1*, KHIDIR W.2 HILU, VOLKER3 WILDE, AND WILHELM1 BARTHLOTT. - Inferring the phylogeny of Nymphaea : evidence from the trnT-trnF region of the chloroplast genome. [S]
  43. BOWE, L. MICHELLE* AND CLAUDE W. DEPAMPHILIS. - Evolution of the Ancient Extant Conifers--evidence from the mitochondrial gene, coxI. [S]
  44. BOYD, ROBERT S.* AND SCOTT N. MARTENS. - Hyperaccumulated Ni does not defend Streptanthus polygaloides from attack by Cuscuta. [E]
  45. BRADY, MELINDA S. - Testing the role of spatial constraints in floral morphology: computer modeling of floral development. [D]
  46. BRAM, MARGOT R. - The effects of inbreeding on Amaranthus cannabinus (L.) Sauer (Amaranthaceae), a dioecious annual. [E]
  47. BRIAND, CHRISTOPHER H.*, ELICHIA A. VENSO, AND BARBARA A. WAINWRIGHT. - Axis rotation in allometric analysis: Which regression should I use? [D] [Poster]
  48. BRIAND, CHRISTOPHER H.*, SHANNON M. CAMPION, DAMION A. DZAMBO, AND KERRI A. WILSON. - Mechanical properties of the trunk of the devil's walking stick (Aralia spinosa L.): Implications for tree architecture. [D]
  49. BRICKER, JERALD S.* AND HENRY DERR. - Using an electronic mail (e-mail) listserver to support course-related communications with students. [T]
  50. BRICKER1, JERALD S.* AND GREGORY K. BROWN2. - A molecular phylogeny for Oönopsis (Asteraceae).
    . [S] [Poster]
  51. BRICKER1, JERALD S.*, GREGORY K. BROWN2, AND TRICIA L. LEWIS1. - Status of Descurainia torulosa (Brassicaceae): Molecular evidence. [S] [Poster]
  52. BROWN1, BEVERLY J.* AND RANDALL J. MITCHELL2. - The impact of an invasive species (Lythrum salicaria) on seed set and pollinator visitation rate in a native Lythrum (L. alatum). [E]
  53. BUECHLER, WALTER K.*, MICHAEL T. DUNN, AND WILLIAM C. REMBER. - The Late Miocene Pickett Creek flora. [F] [Poster]
  54. BURNS, K.C. - Patterns of morphological plasticity parallel mechanisms of niche differentiation in temperate rainforest Vaccinium shrubs. [E] [Poster]
  55. BUZGO, MATYAS* AND PETER K. ENDRESS. - Flower development of Acorus calamus (Acoraceae). [D]
  56. CAMACHO, FRANCISCO J.* AND AARON LISTON. - Issr population analysis of the Oregon endemic, Botrychium pumicola (Ophioglossaceae). [O]
  57. CAMARA1, M.D., H.S. CALLAHAN1*, C.T. MELEAR2, AND M. PIGLIUCCI1. - Resolving the controversies: a workshop about teaching evolution. [T] [Poster]
  58. CAMERON1, KENNETH M.*, MARK W. CHASE2, STUART SULLIVAN2, WILLIAM J. HAHN3, AND PAULA J. RUDALL2. - Systematics of Petrosaviaceae: an achlorophyllous, mycotrophic monocotyledon of problematic phylogenetic affinity. [S]
  59. CANTINO, PHILIP D.* AND STEVEN J. WAGSTAFF. - Drawbacks of Linnaean Binomial Nomenclature. [S]
  60. CARLQUIST, SHERWIN AND MELANIE DEVORE.* - Wood anatomy of Calyceraceae: Ecology, habit, and systematic relationships. [S]
  61. CARMICHAEL, JEFFREY S.* AND SARENA M. MATTSON. - Ovule, embryo, and endosperm development in leafy spurge (Euphorbia esulaL.) [D] [Poster]
  62. CARROMERO, WILLIAM*, JAMES D. ACKERMAN, AND RAYMOND L. TREMBLAY. - Genetic diversity for Lepanthes (Orchidaceae) species with widespread and restricted geographical distribution within the island of Puerto Rico. [G] [Poster]
  63. CAUJAPE-CASTELLS1,2, JULI*, ROBERT K. JANSEN2, JOAN PEDROLA-MONFORT1, AND NURIA MEMBRIVES1. - Dissecting an African disjunction: molecular phylogeny of the genus Androcymbium Willdenow (Colchicaceae). [S]
  64. CELLINESE, NICOLETTA. - Systematics and phylogeny of Phyllagathis and the Asian Sonerileae (Melastomataceae). - [S]
  65. CHAN, RAYMUND* AND ROBERT ORNDUFF. - Goldfields revisited: Phylogenetic analysis of the genus Lasthenia (Asteraceae) using morphology and DNA sequence data from the nuclear ribosomal ITS and chloroplast trnK intron regions. [S]
  66. CHASE, MARK W. - The impact of molecular data on ideas concerning the origin and radiation of the angiosperms. [Z-symposium]
  67. CHEN, H.* AND M. SUN. - Consensus multiplex PCR-RFLP for rapid detection of mitochondrial DNA polymorphism in Spiranthes (Orchidaceae). [G]
  68. CHOI, HONG-KEUN. - Phylogenetic analyses of molecular evolution at nitrate reductase genes in angiosperms. [S] [Poster]
  69. CHOINSKI, JOHN S., JR.* AND ROBERT R. WISE. - Photosynthesis, anthocyanins and leaf development in oaks. [P] [Poster]
  70. CHRISTENSEN, TERI L.*, ERIC E. ROOS , D. A. DAVIDSON, AND ROBERT J. REINSVOLD. - Germination of seed after fifty years in vacuum storage. [P]
  71. CHRISTENSEN, TERI L.*, ERIC E. ROOS, AND ROBERT J. REINSVOLD. - Seeds of the past for the future. [H] [Poster]
  72. CHRISTIANSON, MICHAEL L. - The mosses Funaria hygrometrica and Ceratodon purpureus use different molecules to regulate growth of adjacent protonema. [D]
  73. CIPOLLINI, MARTIN L.*, ANNA K. SANDERS, AND DOUGLAS J. LEVEY. - Inter- and intra-specific variation in glycoalkaloid content of vertebrate dispersed Solanum fruits. [E]
  74. CLARK, BONNIE L. - A revision of the Senecio segregates Pittocaulon, Telanthophora, and Villasenoria ISenecioneae: Asteraceae). [S-symposium]
  75. CLARK, LYNN G. - A reevaluation of the bamboo inflorescence. [S]
  76. CLARKE, H.DAVID*, DAVID S. SEIGLER, AND STEPHEN R. DOWNIE. - Systematics and biogeography of Acacia subgenus Acacia in the West Indies. [S]
  77. CLEVINGER, CURTIS C.* AND JOSE L. PANERO. - Phylogenetic relationships of North American Celastraceae based on ndhF sequence data. [S]
  78. CLEVINGER, JENNIFER A.*, JOSE L. PANERO, AND ROBERT K. JANSEN. - Phylogenetic relationships of subtribe Ecliptinae (Asteraceae: Heliantheae) based on chloroplast DNA restriction site data. [S]
  79. COOK, MARTHA E.* AND WILLIAM E. FRIEDMAN. - Development of tracheids in the basal extant vascular plant Huperzia lucidula (Lycopodiaceae): implications for the early evolution of plant water-conducting cells. [F]
  80. CORDI, JENNIFER. - Devonian vascular plant groups and the inference of macroevolutionary pattern and process: a phylogenetic comparative approach to the analysis of trends in early vascular plant evolution. [F]
  81. CORNEJO, DENNIS O. - Biogeography of North American columnar cacti: mapping phylogeny, morphology, and architecture on environment. [S-symposium]
  82. COSKUN, FATIH*, AYTEN AYDIN, AND BETUL TUTEL. - Comparative root, stem, and leaf morphology and anatomy of the species Lactuca saligna L. and Lactuca serriola L. from Turkey. [S]
  83. COSTICH, DENISE E.* AND ROBERT J. KOHUT. - The application of microsatellite (SSR) DNA marker analysis in Brassica rapa (Wisconsin Fast Plant). [G]
  84. CRANFILL, RAYMOND. - Systematics, phylogeny and biogeography of the genus Woodwardia (Blechnaceae). [O]
  85. CRAWFORD, DANIEL J. - G. Ledyard Stebbins and plant evolutionary biology in the next millennium: Introduction to the Symposium. [Z-symposium]
  86. CRAWFORD, PHILLIP AND WAYNE ELISENS.* - Genetic variation among native North American toadflaxes (Linaria, Scrophulariaceae). [S]
  87. CRAYN, DARREN M.*, J. ANDREW C. SMITH, KLAUS WINTER, AND RANDALL G. TERRY. - The evolution of crassulacean acid metabolism in Bromeliaceae: a molecular systematic approach. [S]
  88. CRESSLER, WALTER. - A diverse Late Devonian flora preserved in a fluvial setting, north-central Pennsylvania, U.S.A. [F]
  89. CROSS, AUREAL T. - Fossil floras of the Michigan Basin. Part 1. Jurassic palynofloras. [F]
  90. CULLEY, THERESA M. - Inbreeding depression in chasmogamous and cleistogamous flowers of Viola canadensis. [E]
  91. DABAAN, M. ESSAM AND KEITH GARBUTT.* - Competitive ability of biotypes of Abutilon theophrasti and Amaranthus retroflexus exhibiting tolerance to the herbicide atrazine. [E] [Poster]
  92. DANIEL, THOMAS F. - Barleria (Acanthaceae) in the New World: phytogeographic and systematic implications. [S]
  93. DATWYLER, SHANNON L.* AND ANDREA D. WOLFE. - Morphological and molecular analyses of the extent of hybridization in Penstemon (Scrophulariaceae): an example from an isolated population. [S]
  94. DAVELOS, ANITA L.*, ANDREW M. JAROSZ, JENNIFER K. SCHAUPP, AND DENNIS W. FULBRIGHT. - Seedling growth and survival in populations of American chestnut that differ in disease status. [E] [Poster]
  95. DAWLEY, ROBERT*, JESSICA A. CHINAULT, JOHN J. KERRIGAN, MEGAN M. DEGREGORIO, AND MARY B. FIELDS. - The genomes of rapid-cycling Brassicas are no smaller than those of their wild-type progenitors. [G] [Poster]
  96. DEAN, ELLEN A.* AND DANIEL POTTER. - A phylogeny of Lycianthes series Meizonodontae (Solanaceae) based on morphological and molecular characters. [S]
  97. DELESALLE, VERONIQUE A.*, SUSAN J. MAZER, AND PAUL R. NEAL. - Does the neighborhood matter? The effects of neighbors on gender expression in Spergularia marina (Caryophyllaceae). [G]
  98. DELGADO-SALINAS, ALFONSO*, THOMAS TURLEY, AND MATT LAVIN. - Cultivated and wild species of Phaseolus in phylogenetic context. [S]
  99. DEMASON, DARLEEN A.* AND PHILIP J. VILLANI. - Roles of the Af and Tl genes in pea leaf development: homeosis or heterochrony? [D-symposium]
  100. DENTON, AMY L.*, BETTY L. MCCONAUGHY, AND BENJAMIN D. HALL. - Land plant phylogeny estimation using RNA polymerase II sequences. [S]
  101. DERETSKY, ZINA. - A fifty million year record of insect damage in the leaves of Platanaceae. [F]
  102. DEVALL,, MARGARET S. - Dendroecological analysis of cypress Taxodium distichum and tupelo gum Nyssa aquatica in Cat Island Swamp in southeastern Louisiana. [E]
  103. DEVORE, MELANIE*, ROBERT K. JANSEN, JOHN SKVARLA, AND ZAIMING ZHAO. - Pollen ultrastructural patterns among the tribes within Cichorioideae (Asteraceae): phylogenetic and biogeographical implications. [S]
  104. DI LAURENZIO, LAURA*, BO JOHANSEN, AND VICTOR A. ALBERT. - The homeotic double-corolla phenotype in Hawaiian Clermontia (Lobelioideae: Campanulaceae) is caused by overexpression of a B-function MADS box gene. [S]
  105. DICK, CHRISTOPHER W. - The effect of Africanized honeybees on gene flow and fecundity of trees (Dinizia excelsa: Leguminosae) in Amazonian rain forest fragments. [G-symposium]
  106. DIGGLE, PAMELA K. - Does preformation limit phenotypic plasticity? Experimental analyses of the alpine perennial Polygonum viviparum (Polygonaceae). [E]
  107. DOUGLAS, ANDREW W. - Evolutionary patterns among species of Labichea, a caesalpinioid legume. [S]
  108. DOUGLAS, ANDREW W.* AND DENNIS W. STEVENSON. - The reproductive architecture of Platanaceae: evolutionary transformations based on fossil and extant evidence. [D]
  109. DOWER, BEATRICE L.* AND RICHARD M. BATEMAN. - Morphological and anatomical investigations of exceptionally preserved cycadophyte leaves from the Jurassic of Skye, NW Scotland. [F]
  110. DOWNEY, SUZANNE L.*, RENATE KARLE, AMY F. IEZZONI, JAMES F. HANCOCK, AND BRYAN K. EPPERSON. - Patterns of genetic diversity within and among black cherry (Prunus serotina Ehrh.) populations from the U.S., Mexico, and Ecuador. [B] [Poster]
  111. DOYLE, JEFF J.*, JANE L. DOYLE, JULIE C. HO, AND T. CLINT NESBITT. - Patterns of paralogy and concerted evolution in the leghemoglobin gene family of Glycine (Leguminosae). [G]
  112. DOYLE, JEFF J.1*, JANE L. DOYLE1, AND A. H. D. BROWN2. - Incongruence in the diploid B-genome species complex of Glycine (Leguminosae) revisited: Histone H3-D alleles vs. chloroplast haplotypes. [S]
  113. DROUIN, JOSéE NADIA* AND LUC BROUILLET. - Dandelions (Taraxacum, Asteraceae) of the Gulf St-Lawrence: how many species are there? [S] [Poster]
  114. DUDLE, DANA A. - Ecological and morphological factors contributing to maintenance of male-sterility in gynodioecious populations of Lobelia siphilitica (Lobeliaceae). [E]
  115. DUNN, CHRISTOPHER P. - Botanic gardens as centers for plant conservation. [S-symposium]
  116. DURAN, KRISTY, TIMOTHY K. LOWREY*, ROBERT PARMENTER, AND PAUL LEWIS. - Genetic Diversity in diploid Larrea tridentata in the Chihuahuan Desert. [S]
  117. DURGAN, CYNTHIA*, W. HARDY ESHBAUGH, AND ADOLPH GREENBERG. - Local plants used in folk medicine, ornament, and foods in Palau. [B]
  118. EGAN, TODD P.* AND IRWIN A. UNGAR. - The effect of different salts of sodium and potassium on the growth of Atriplex prostrata (Chenopodiaceae). - [P]
  119. EGBERT, KATHRYN J.* AND CRAIG E. MARTIN. - Are leaf windows a morphological adaptation to increase Crassulacean acid metabolism? [P] [Poster]
  120. EMSHWILLER, EVE* AND JEFF J. DOYLE. - Evidence for origins of polyploidy of Oxalis tuberosa from chloroplast-expressed glutamine synthetase. [S]
  121. EMSHWILLER, EVE. - Ethnobotanical study of factors affecting genetic erosion in cultivated Oxalis tuberosa in Peru. [B]
  122. ENDRESS, PETER K. - Symmetry in flowers - diversity and evolution. [D]
  123. ENDRESS1, MARY E.*, ANTON IGERSHEIM1, AND PHIL GARNOCK-JONES2. - Sexual dimorphism and secondary pollen presentation in Geniostoma ligustrifolium (Geniostomaceae). [S]
  124. ERCELAWN*, AYESHA, JAMES V. LA FRANKIE**, SHAWN K.Y. LUM**, AND SING KONG LEE*. - Short-term recruitment of trees in a forest fragment in Singapore. [J]
  125. ERTTER, BARBARA* AND LISA SCHULTHEIS. - The Mount Diablo Flora Update: A Case Study in Dynamic Floristics and Floristic Hypotheses. [S]
  126. ERTTER1, BARBARA*, CHRIS BAYSDORFER2, AND DAVID ALONSO2. - Monophyly of the ivesioid Potentilleae (Rosaceae) based on ITS Sequence Data. [S]
  127. ESSELMAN, ELIZABETH J., DANIEL J. CRAWFORD*, SOREN BRAUNER, TOD F. STUESSY, AND MARIO SILVA O. - Allozyme and RAPD marker diversity within and divergence among species of Dendroseris (Asteraceae). [S]
  128. EVANS, LANCE S. - Growth and cell population kinetics during development of roots of Pisum sativum. [D]
  129. EVANS, LANCE S. - Needle and stem injuries to red spruce in the Adirondack Mountains. [E]
  130. EVANS, RODGER C.1, LAWRENCE A. ALICE2*, CHRISTOPHER S. CAMPBELL3, TIMOTHY A. DICKINSON1, AND ELIZABETH A. KELLOGG4. - Evidence for an allopolyploid origin of subfamily Maloideae s. l. (Rosaceae) from the nuclear granule-bound starch synthase (GBSS) or waxy gene. [S]
  131. EYSTER-SMITH, NANCY M. - World Wide Web: Its role in teaching botany, ecology, and economic botany. [T]
  132. EZELL, WAYLAND L. - Evaluating introductory botany courses using pre-tests and post-tests. [T]
  133. FAIVRE, AMY E. - A Comparison of Floral Ontogeny Between Three Heterostylous Species of Rubiaceae. [D]
  134. FAIVRE, AMY E. - Variation in incompatibility system and floral morphology of three heterostylous species in Rubiaceae. [E]
  135. FALDER, AMY B.*, RUTH A. STOCKEY, AND GAR W. ROTHWELL. - Germinating seeds and seedlings of a Metasequoia-like taxodiaceous conifer from the Paleocene of Alberta. [F]
  136. FARMER, SUSAN B.* AND EDWARD E. SCHILLING. - Toward an understanding of the global phylogeny of the Trilliaceae. [S] [Poster]
  137. FARRAR, DONALD R*, SUSAN J ALDWORTH, AND HARRY T HORNER. - Development of an illustrated booklet and hypertext database of 100 species on the Iowa State University Campus. [T]
  138. FARRAR, DONALD*, SUSAN ALDWORTH, CHARLES BUTTERWORTH, DENISE FRIEDRICK, GLENN FUCHS, ANNA GARDNER, ROSARIA HEALY, DEBORAH LEWIS, CATHY MABRY, CHRISTINE MINOR, LARISSA MOTTL, AND JAMES WATKINS. - How long can fern sperm swim? [O]
  139. FAY, MICHAEL F.*, MICHAEL MAUNDER, AND MARK W. CHASE. - Collections of living plants in botanic gardens and conservation studies--genetic fingerprinting comes of age. [S-symposium]
  140. FERGUSON, DIANE M. - Morphological phylogenetic analysis of Hydrophyllaceae (Boraginales). [S]
  141. FIELDS, MARY B.*, JENNIFER M. MCGEE, JENNIFER LATTANZE, LAURA A. BROUSE, AND ROBERT M. DAWLEY. - Genome size in Mimulus (Schrophulariaceae): reduction following polyploidy. [G] [Poster]
  142. FIELDS, PATRICK F. (1)*, DIANE M. ERWIN (2), AND HOWARD E. SCHORN (2). - COLUMBIA PLATEAU AND INTERMOUNTAIN BASIN NEOGENE FLORAS: HONESTY POLICY. [F] [Poster]
  143. FISCHER, MANFRED A. - Scientific Vascular Flora of Austria. [S]
  144. FLETCHER, TARA S.* AND JOHN L. VANKAT. - Understory species as keys to defining old-growth forests of southcentral Alaska. [E]
  145. FLORES OLVERA, HILDA* AND JERROLD I. DAVIS. - Phylogenetic relationships in Atripliceae (Chenopodiaceae) based on morphology. [S]
  146. FLOYD, SANDRA K.*, VERONICA T. LERNER, AND WILLIAM E. FRIEDMAN. - Endosperm development in Platanus racemosa, a basal eudicot. [D]
  147. FORE, STEPHANIE A.* AND SCOTT A. KREHER. - Genetic diversity within patches of Vaccinium stamineum. [E] [Poster]
  148. FOREST, FéLIX* AND ANNE BRUNEAU. - Systematics and biogeography of hazelnuts (Corylus: Betulaceae) based on the non-transcribed spacer of 5S ribosomal RNA genes. [S]
  149. FORSETH, IRWIN N.* AND D. ALEXANDER WAIT. - Consequences of plant responses to spatial and temporal heterogeneity. [E-symposium]
  150. FRANKLIN, CAROLEE J.* AND ALLISON A. SNOW. - Sexual reproduction and seed set variation among Ohio populations of federally endangered Trifolium stoloniferum. [E]
  151. FREIRE-FIERRO, ALINA. - Revision of Aciotis (Melastomataceae). [S]
  152. FREUDENSTEIN, JOHN V.*, DIANA M. SENYO, AND MARK W. CHASE. - Evolution and phylogenetic significance of a mitochondrial intron in Orchidaceae. [S]
  153. FRIEDMAN, WILLIAM E.* AND JEFFREY S. CARMICHAEL. - Heterochrony and developmental innovation: evolution of female gametophyte ontogenies in seed plants. [D-symposium]
  154. FRITSCH, PETER W. - Phylogeny of Styrax (Styracaceae) based on morphological characters, with implications for biogeography and infrageneric classification. [S]
  155. FUNK, V. A.* AND KAREN S. RICHARDSON. - Using limited data to design a protected area system in Guyana. [S]
  156. FUNSTON, A. MICHELE. - Cluster analysis of the genus Roldana (Asteraceae: Senecioneae). [S-symposium]
  157. GALEN, CANDACE. - Why do April showers bring May flowers? Physiological costs of flower size in the alpine wildflower, Polemonium viscosum . [E]
  158. GALLOWAY, GREGORY L.*, ROBERT A. PRICE, AND RUSSELL L. MALMBERG. - The evolution of arginine decarboxylase (ADC) in early angiosperms: Implications for phylogeny and the systematic utility of the ADC nuclear gene. [S]
  159. GALLOWAY, LAURA F. - Maternal and paternal environmental effects on seed characters in Campanula americana. [E]
  160. GANDOLFO, MARIA A.*, KEVIN C. NIXON, AND WILLIAM L. CREPET. - A phylogenetic analysis of modern and cretaceous Triuridaceae (Monocotyledoneae). [S]
  161. GANDOLFO, MARIA A.*, KEVIN C. NIXON, DENNIS W. STEVENSON, AND WILLIAM L. CREPET. - Species diversity of Triuridaceae fossil flowers from the Late Cretaceous of New Jersey. [F]
  162. GASTALDO, ROBERT A.* AND WILLIAM A. DIMICHELE. - Nightmare on Fern Street: An analysis of marattialean foliage from the Pennsylvanian and Permian of north-central Texas. [F]
  163. GE, SONG*, XIAO-QUAN WANG, AND DE-YUAN HONG. - Population Genetics and Conservation of An Endangered Conifer, Cathaya argyrophylla (Pinaceae). [S]
  164. GE, SONG1*, BARBARA SCHAAL2, AND DE-YUAN HONG1. - A preliminary phylogenetic analysis of the genus Adenophora (Campanulaceae)based on ITS sequence data. [S] [Poster]
  165. GEBAUER, RENATE L. E.*, SUSANNE SCHWINNING, AND JAMES R. EHLERINGER. - The responses of desert plant functional types to rainfall events at different times of the year - a mechanism for community change? [E-symposium]
  166. GENGLER, KARLA M.* AND DANIEL J. CRAWFORD. - Allozyme diversity in central Peruvian species of Malesherbia (Malesherbiaceae). [S]
  167. GENSEL, P. G.* AND S-G HAO. - Some new plant discoveries from the Lower Devonian Posongchong Formation, S.E. Yunnan Province, P.R. China.. [F]
  168. GENSEL, P. G.* AND S-G HAO. - Some new plant discoveries from the Lower Devonian Posongchong Formation, S.E. Yunnan Province, P.R. China.. [F]
  169. GENSEL, P.G.* AND S-G HAO. - Some new plant discoveries from the Lower Devonian Posongchong Formation, S.E. Yunnan Province, P.R. China. [F]
  170. GEORGE, JANE. - Recruitment dynamics of Yucca brevifolia, the Joshua tree, in the Mojave Desert. [E] [Poster]
  171. GHOSH, NABARUN*, A. CHATTERJEE, AND DON W. SMITH. - Regeneration of Albizia lebbeck via somatic embryogenesis in suspension culture and study on the karyotype and growth behavior. [P]
  172. GIVNISH, THOMAS J. - On the causes of gradients in tropical tree diversity: making the Janzen-Connell hypothesis context-specific. [E]
  173. GIVNISH, THOMAS J.*, TIMOTHY M. EVANS, KENNETH J. SYTSMA, THOMAS B. PATTERSON, AND MICHELLE L. ZJHRA. - Molecular evolution, adaptive radiation, and origin of the amphiatlantic distribution of the family Rapateaceae. [S]
  174. GLADISH, DANIEL K.* AND TERUO NIKI. - Factors influencing the formation rate of high temperature-induced vascular cavities in pea roots (Pisum sativum L.cv. Alaska ). [D]
  175. GOERTZEN, LESLIE R.1*, JAVIER FRANCISCO-ORTEGA2, ARNOLDO SANTOS-GUERRA3, C. RANDAL LINDER1, AND ROBERT K. JANSEN1. - New and improved phylogeny of the Asteriscus alliance: evidence from the external transcribed spacer of the nrDNA. [S]
  176. GOLDEN, JOANNE L., JILL S. YATES, AND JOHN F. BAIN.* - Intrapopulational haplotype diversity in four Packera species from southern Alberta. [S-symposium]
  177. GOLDMAN, DOUGLAS H.1*, MARK W. CHASE2, AND MICHAEL F. FAY2. - Phylogeny and circumscription in Calopogon (Orchidaceae) as inferred from ITS sequence and AFLP data. [S]
  178. GOMEZ-BELOZ, ALFREDO. - The cultivation and use of ure (Colocasia esculenta (L.) Schott) by the Warao Indians of the Orinoco Delta, Venezuela. [B]
  179. GOULD, KATHERINE R.* AND MICHAEL J. DONOGHUE. - Phylogeny and biogeography of Triosteum (Dipsacales, Lonicereae). [S]
  180. GRIME, J. PHIL* AND SARAH M. BUCKLAND. - Immediate, filter and founder effects of plant diversity on ecosystem function and responses to extreme events. [E-symposium]
  181. GROTKOPP, EVA*, RANDALL STOLTENBERG, MARCEL REJMANEK, AND THOMAS L. ROST. - The effect of genome size on invasiveness. [E]
  182. GUALA, GERALD F. - A Revision of Homozeugos (Poaceae: Andropogoneae) and the relationship of spatial environmental variables to distribution and speciation. [S-symposium]
  183. GUALA, GERALD F. - The relation of phylogeny and species distribution to spatial environmental parameters. [S-symposium]
  184. GUL, BILQUEES* AND DARRELL J. WEBER. - Alleviation of seed dormancy in Allenrolfea occidentalis. [E] [Poster]
  185. GUSTAFSSON, MATS H. G.*, ANITA S.-R. PEPPER, TOD F. STUESSY, AND VICTOR A. ALBERT. - Molecular phylogeny and biogeography of Barnadesioideae (Asteraceae). [S]
  186. GUSTAVSEN, KATIE A.* AND JOHN L. GALLAGHER. - Genetic transformation of Atriplex triangularis (Seaside Greens) using Agrobacterium tumefaciens and the p35 GUSint Ti plasmid. [P]
  187. GYLLENHAAL, CHARLOTTE*, DOEL SOEJARTO, AND GAIL MAHADY. - Contemporary pharmacognosy in science curricula. [B-symposium]
  188. HAHN, KATHLEEN E.*, PATRICK J. FASULO, AND KAMAL MOHAMED. - Solenostemma argel (argel) as a potential source of medicine. [B]
  189. HAMILTON, MATTHEW B. - Successful seed dispersal measured with chloroplast DNA polymorphism is highly localized in a Brazilian canopy tree, Corythophora alta (Lecythidaceae). [G-symposium]
  190. HAMILTON, MATTHEW B.*, PRESTON ALDRICH, W. JOHN KRESS, AND CHRIS DICK. - Population genetics and gene flow in tropical plants. [G-symposium]
  191. HAMRICK, J. L.* AND PRESTON R. ALDRICH. - Temporal variation in the breeding structure of fragmented Enterolobium cyclocarpum populations. - [G-symposium]
  192. HANSEN, CURTIS J.*, LOREEN ALLPHIN, AND MICHAEL D. WINDHAM. - Biosystematic analysis of the Thelesperma subnudum (Asteraceae) complex. [S]
  193. HANSEN, DAVID*, TARA HUDIBURG, AND MEGAN TURNOCK. - Sap-flow, gas exchange and water-relations in red alder (Alnus rubra) and big leaf maple (Acer macrophyllum). - [E]
  194. HARDY, CHRISTOPHER R. - Phylogenetic analysis within the subtribe Dichorisandrinae (Commelinaceae). [S]
  195. HAUBER, DONALD P.* AND STEPHEN M. STACK. - Synapsis in an autotetraploid. [G]
  196. HAVENS, KAYRI* AND MARLIN BOWLES. - Implications of genetic analyses for rare plant restoration projects. [S-symposium]
  197. HAYCRAFT, COURTNEY J.* AND JEFFREY S. CARMICHAEL. - Development of ovules on bisexual strobili of Gnetum gnemon. [D]
  198. HEDBERG, ANDREW M., VICTORIA A. BOROWICZ, DARRELL WHITE, AND JOSEPH E. ARMSTRONG.* - Interactions between the hemiparasite Pedicularis canadensis and other prairie plants. [E]
  199. HEDRÉN, MIKAEL, MICHAEL F. FAY*, AND MARK W. CHASE. - AFLPs elucidate relationships in the Dactylorhiza polyploid complex (Orchidaceae). [S]
  200. HERMANN, BRIAN P.*, TARUN K. MAL, RUSSEL J. WILLIAMS, AND NORMAN R. DOLLAHAN. - Quantitative evaluation of stigma polymorphisms in a tristylous weed, Lythrum salicaria(Lythraceae). [D]
  201. HERR, JOHN M., JR. - A revision of the telome theory for the origin of megaphylls. - [D]
  202. HERRERA-ARRIETA, YOLANDA* AND PAUL M. PETERSON. - An anatomcial survey of Muhlenbergia (Poaceae: Muhlenbergiinae). [S]
  203. HERZ, MEGAN, RACHEL KOCH, JOHN GAVENCAK, AND RICHARD A. NIESENBAUM.* - Does the proximity of developing selfed and outcrossed fruits influence selective abortion and inbreeding depression in Mirabilis jalapa? [E] [Poster]
  204. HIBBS, MALIN S. - Phylogeny and biogeography of the tribe Sanguisorbeae (Rosaceae). [S] [Poster]
  205. HICKEY, LEO J.* AND TIMOTHY B. ARMSTRONG. - A mid-Cretaceous (Cenomanian) flora from the interior of the Canadian Shield in western Labrador. [F]
  206. HIDAYATI, SITI*, JERRY, M. BASKIN, AND CAROL, C. BASKIN. - A comparative study of seed dormancy and germination in three species of Lonicera (Caprifoliaceae). [E]
  207. HILU, KHIDIR W.*, LAWRENCE A. ALICE, AND WEIPING ZHANG. - A phylogeny of Poaceae subfamily Chloridoideae based on chloroplast DNA matK sequences. [S]
  208. HIRREL, MARC*, JOHN S., JR. CHOINSKI, STEVE RUNGE, AND MIKE MORAN. - The use of computer workstations in general biology laboratories. [T] [Poster]
  209. HOOT, SARA B.*, AMY B. KORNKVEN, AND W. CARL TAYLOR. - The use of amplified fragment length polymorphisms (AFLP) in assessing genetic variation in the endangered species, Isoëtes louisianensis [O-symposium]
  210. HOPKINS, DENNIS J., JR.*, KIRK R. JOHNSON, AND CARLOS A. JARAMILLO. - Diversity and evolution of Cenozoic cycads in western North America. [F]
  211. HOPPER, STEPHEN D., MICHAEL F. FAY*, MAURIZIO ROSSETTO, AND MARK W. CHASE. - A molecular phylogenetic analysis of the bloodroot and kangaroo paw family, Haemodoraceae: taxonomic, biogeographic and conservation implications. [S]
  212. HORN, CHARLES N. - Water depth effects on Monochoria vaginalis (Pontederiaceae) seedling developmental patterns. [S]
  213. HORNER, HARRY T* AND NELS R LERSTEN. - A survey of types and distrbution of calcium oxalate crystals in leaves of Prunus sensu lato (Rosaceae). [D]
  214. HORNER, HARRY T. - Soybean floral nectaries and their potential for improving cross-pollination for hybrid soybean production. [D]
  215. HU, JER-MING*, MATT LAVIN, AND MICHAEL J. SANDERSON. - Phylogenetic systematics of the tribe Millettieae based on matK sequences and its implications for evolutionary patterns in Papilionoideae. [S]
  216. HUANG, MINGJUAN* AND DANIEL J. CRAWFORD. - Phylogenetic relationships of Trichostema (Lamiaceae) as inferred from nrDNA ITS sequence data. [S]
  217. HUFFORD, LARRY. - The evolution of fruits in the Hydrangeaceae. [D]
  218. HUSBAND, BRIAN C.* AND SPENCER C. H. BARRETT. - Population genetic structure in the tropical plant Eichhornia paniculata:implications for gene flow in ephemeral habitats. [G-symposium]
  219. ISHIDA, KIYOSHI* AND TSUTOM HIURA. - Pollen fertility and mating system in an androdioecious tree, Fraxinus lanuginosa in Hokkaido, Japan. [E] [Poster]
  220. JANOVEC, JOHN P. - An overview of floral micromorphology in the Senecioneae (Asteraceae) with emphasis on some neotropical species. [S-symposium]
  221. JANSEN, ROBERT K.1*, GREGORY J. ANDERSON2, AND SUSAN CHEN2 - Origin and relationships of "Pepino" (Solanum muricatum) based on ITS sequence data. [S]
  222. JARAMILLO, M. ALEJANDRA* AND PAUL S. MANOS. - Preliminary phylogenetic studies of the genus Piper (Piperaceae) using ITS sequence data. [S]
  223. JENSEN1, RICHARD*, MARYANN SCHWOYER1, GREGORY ANDERSON2, DANIEL CRAWFORD3, TOD STUESSY4, AND MARCELO BAEZA5. - Relationships among populations of Myrceugenia fernandeziana (Myrtaceae) on Masatierra Island. [S]
  224. JOBBAGY, ESTEBAN G*, WILLIAM T POCKMAN, AND ROBERT B JACKSON. - Vertical distributions of roots and soil nutrients: global patterns modified by local variability. [E-symposium]
  225. JOHNSON, EMANUEL L. - Ecgonine derived alkaloids in juvenile tissue of E. c. var. coca and E. n. var. novogranatense. [C]
  226. JOHNSON, KIRK R. - Floristics and taphonomy of anomalous, small-leaved floras from the middle Hell Creek Formation (Late Cretaceous; late Maastrichtian), southwestern North Dakota. [F]
  227. JOHNSON, LEIGH A.* AND J. MARK PORTER. - Serving two masters: applying principals of phylogenetic nomenclature under constraints imposed by the ICBN. [S]
  228. JOHNSON, PAUL D.* AND JOHN M. SCHMIDT. - Colonization of cleared patches of hardwood forest bordering a Southeastern piedmont prairie remnant. [E]
  229. JOHNSON-GROH, CINDY L.* AND JENNIFER M. LEE. - Phenology of Botrychium gallicomontanum and Botrychium mormo. [O]
  230. JOHNSON-GROH, CINDY, L*, DONALD, R. FARRAR, AND PHILIP MILLER. - Modeling extinction probabilities for moonwort (Botrychium) populations. [O-symposium]
  231. JONES, ROBERT H.*, PAUL P. MOU, AND ROBERT J. MITCHELL. - Spatial heterogeneity of soil resources in early successional forests: effects of different disturbances and responses of plants. [E-symposium]
  232. JUDD, WALTER S.*, KATHLEEN A. KRON, ARNE A. ANDERBERG, DARREN M. CRAYN, CHRISTOPHER J. QUINN, AND PETER S. STEVENS. - Major clades of Ericaceae I: Morphology. [S]
  233. KADEREIT, JOACHIM W. AND AARON LISTON.* - The phylogenetic and biogeographical affinities of four annual species of Senecio native to western North America. [S-symposium]
  234. KAMPNY, CHRISTINE M. AND ELIZABETH M. HARRIS.* - Heterochrony in plants symposium abstract. [D-symposium]
  235. KAMPNY, CHRISTINE M. AND ELIZABETH M. HARRIS.* - Heterochrony: the basis of floral shape evolution. [D-symposium]
  236. KAPLAN, DONALD R. - The science of plant morphology: man bites dogma. [D]
  237. KEELER, KATHLEEN H. - Comparison of cytotypic reproduction in Andropogon gerardii (Poaceae) populations of mixed cytotype. - [G] [Poster]
  238. KELLOFF, CAROL L.* AND CHARLES R. WERTH. - Allozyme evidence for genetic divergence between two eastern North American varieties (angustum and asplenioides) of the Athyrium filix-femina complex. [O]
  239. KHAN, M. AJMAL, BILQUEES GUL, AND DARRELL J. WEBER.* - Germination of Suaeda torreyana dimorphic seeds in relation to salinity and temperature. [E] [Poster]
  240. KIM, INSUN. - Foliar structural differentiation of Salsola komarovii (Chenopodiaceae). [D]
  241. KIM, KI-JOONG* AND ROBERT K. JANSEN. - Paraphyly of Jasminoideae and monophyly of Oleoideae in Oleaceae. [S]
  242. KIPP, ERICA* AND DIANA RODRIGUEZ. - Plants as a potential source of antibiotics: antibiotic properties of plants. - [C] [Poster]
  243. KIRCHOFF, BRUCE K.* AND MICHELLE MIYOKO GIBSON. - Hofmeister's rule and the initiation of floral organs. [D]
  244. KIRKBRIDE, JR., JOSEPH H.*, CHARLES R. GUNN, AND MICHAEL J. DALLWITZ. - Identification of legume (Fabaceae) fruits and seeds to genus using INTKEY (DELTA). [S] [Poster]
  245. KLAVINS, SHARON D.* AND LAWRENCE C. MATTEN. - Elaboration of the anatomy and morphology of Wexfordia hookense, Matten. [F]
  246. KNOWLTON, MARCUS R., JEAN M. CHAPPELL*, JEANMARIE HARTMAN, AND STEVEN N. HANDEL. - Factors influencing population dynamics of the rare Sickle-leaved Golden Aster, Chrysopsis falcata. [E] [Poster]
  247. KNOX, ERIC B.* AND JOSE L. PANERO. - Evolution of the giant senecios revisited; comparison of ITS and cpDNA phylogenetic estimates. [S]
  248. KOCYAN, ALEXANDER* AND PETER K. ENDRESS. - Floral structure and development in Curculigo (Hypoxidaceae, Asparagales). [D]
  249. KöNIG, CHRISTIANE. - Infraspecific morphometric and nuclear genome size variation in polyploid Biscutella laevigata (Brassicaceae). [S]
  250. KORN, ROBERT. - Analysis of Shoot Organization in Six Species of the Cupressaceae Based on Chimerical Behavior. [D]
  251. KORPELAINEN, HELENA* AND NORIS SALAZAR ALLEN. - Genetic differentiation among tropical Octoblepharum mosses. [S]
  252. KOSTMAN, TODD A.* AND VINCENT R. FRANCESCHI. - Coordinate cell and calcium oxalate crystal growth during high capacity calcium regulation in plants. [P] [Poster]
  253. KOWAL, ROBERT R. - Cytology of the Senecioneae with Emphasis on North American Genera. [S-symposium]
  254. KRAMER, DAVID W. - Designing hands-on botany activities for K-8 classrooms. [T]
  255. KRAMER, DAVID W. - Planning and implementing a plant biology workshop for K-8 teachers. [T]
  256. KRESS, W. JOHN. - Phylogeny, pollinator diversification, and patterns of gene flow in tropical plants: tales from the understory. [G-symposium]
  257. KRON, KATHLEEN A.*, WALTER S. JUDD, ARNE A. ANDERBERG, DARREN M. CRAYN, ROY FULLER, PAUL A. GADEK, JAMES L. LUTEYN, CHRISTOPHER J. QUINN, AND PETER S. STEVENS. - Major clades of Ericaceae II: Molecular Evidence. [S]
  258. KVACEK, ZLATKO. - Novelties in the Miocene aquatic flora of Europe. [F]
  259. KWIATKOWSKA, DOROTA. - Patterns of shoot primary structure related to phyllotaxis. [D] [Poster]
  260. LA DUKE, JOHN. - The use of learning summaries in systematic botany instruction: an alternative to exams. [T]
  261. LA DUKE, JOHN1*, PAUL FRYXELL2, AND JEAN JOVONOVICH ALVILLAR1. - Phylogenetic relationships in the Malvaceae: RFLP and morphological data. [S] [Poster]
  262. LAMBRINOS, JOHN G. - How dispersal characteristics and disturbance influence the expansion of the invasive pampas grass Cortaderia jubata in mediterranean plant communities of south central California. [E]
  263. LAMMERS, THOMAS G.* AND LINDA GLASS. - Morphological variation in the Lobelia polyphylla complex (Campanulaceae) of Chile. [S]
  264. LAMONT, SUSAN R.*, DR. W.H. ESHBAUGH, AND DR. ADOLPH GREENBERG. - Species composition, diversity, and use of homegardens in three Amazonian villages. [B]
  265. LANGE, RONALD S.* AND PETER E. SCOTT. - Effectiveness of hummingbirds and bees as pollinators of three Penstemon species. [E]
  266. LANTZ, TREVOR C.*, GAR W. ROTHWELL, AND RUTH A. STOCKEY. - A permineralized tree fern from the Lower Cretaceous (Aptian) of northern California. [F]
  267. LARSON, KATHERINE C. - Contrasting circumnutation behavior in congeneric honeysuckle vines. [E] [Poster]
  268. LEBKUECHER, JEFFERSON G.*, KURT A. HALDEMAN, CHRISTINE E. HARRIS, SONIA L. HOLZ, SARY A. JOUDAH, AND DARCY A. MINTON. - Development of photosystem-II activity during irradiance of etiolated Helianthus (Asteraceae) seedlings. [D] [Poster]
  269. LEE, DAVID W. - Red pigment distribution in leaves of tropical plants. - [D]
  270. LENTZ, DAVID L. - Botanical training for the next millennium: the role of economic botany. [B-symposium]
  271. LENTZ, DAVID L.* AND ROBERT J. REINSVOLD. - Economic botany and ethnobotany: subjects that generate interest in plants. [B-symposium]
  272. LEON, BLANCA R.* AND KENNETH R. YOUNG. - Conservation status of Peruvian endemic ferns. [O-symposium]
  273. LEONG, LAUREL L. Y.*, KENNETH G. WILSON, AND NANCY L. SMITH-HUERTA. - A gene expression comparison of wild-type sepals and petals of Clarkia tembloriensis (Onagraceae) and the sepaloid petals of the crinkled petal mutant. [D] [Poster]
  274. LES, DONALD H.*, C. THOMAS PHILBRICK, AND ALEJANDRO NOVELO RETANA. - Phylogeography of the Podostemaceae sensu lato: a hypothesis of multiple tropical radiations. [S]
  275. LEVANGIE, REBBECCA, AGATA PIKULA, PAUL STEPHENSON, AND PHILIP D. REID.* - Programmed cell death and oxidative metabolism in daylily flower petals. [P] [Poster]
  276. LEVERICH, JOE. - Fitness effects of simulated early herbivory. [E] [Poster]
  277. LEVIN, DONALD A. - Species and speciation: from G.L. Stebbins to tomorrow. [Z-symposium]
  278. LEWIS, ANN M. - The potential for premature embolism when measuring lumen pressure with the xylem pressure probe. [P]
  279. LEWIS, JAMES D.*, JOY K. WARD, AND DAVID T. TISSUE. - Phosphorus supply affects growth of cottonwood seedlings in low and elevated carbon dioxide. [E] [Poster]
  280. LI, JIANHUA* AND A. LINN BOGLE. - Comparative embryology and floral ontogeny of the Corylopsis complex (Hamamelidaceae). [S] [Poster]
  281. LI, JIANHUA1*, MICHAEL J. DONOGHUE1, A. LINN BOGLE2, AND ANITA S. KLEIN3. - Phylogeny and biogeography of Hamamelis (Hamamelidaceae): An update. [S]
  282. LI, XIAOJIE*, J.M. BASKIN, AND C.C. BASKIN. - Morphology and physiology of fruit and seed growth and development in two bird-dispersed shrubs, Rhus aromatica, and R. glabra (Anacardiaceae). [D]
  283. LIAO, LOUISE W. - What should college students know about plants? [T]
  284. LINDAHL, AMY, VINCENT M. ECKHART*, BROOK BELL-JOHNSON, AND AMY DONA. - Competitive performance of populations of Clarkia xantiana (Onagraceae) with contrasting life histories: Evidence of a trade-off between competitive tolerance and drought avoidance. [E] [Poster]
  285. LINDER, C. RANDAL*, LESLIE J. GOERTZEN, JAVIER FRANCISCO-ORTEGA, AND ROBERT K. JANSEN. - The external transcribed spacer of the rDNA repeat: a new means of resolving low-level relationships in the Asteraceae and closely allied families. [S]
  286. LINDER, CECELIA C.* AND JOHN L. GALLAGHER. - Tissue culture and regeneration of the giant reed, Arundo donax L. [P]
  287. LINDQVIST, CHARLOTTE*, STELLA SIMIYU, OLE SEBERG, IB FRIIS, AND VICTOR A. ALBERT. - Conservation of the genus Saintpaulia (Gesneriaceae) in East Africa - phylogeny and biogeographic patterns based on 5S-NTS. [S]
  288. LINDSAY, STUART*, VISHNU TEZOO, AND DANIELLE FLORENS. - Fern Conservation Efforts on Mauritius. [O-symposium]
  289. LITT, AMY* AND DENNIS W. STEVENSON. - Floral morphology of the Vochysiaceae: asymmetry and pseudomonomery. [D]
  290. LUCIANO, CARL L., SANDRA J. NEWELL*, ANTHONY J. NASTASE, ANNA M. HARDING, AND R. LISA ROUNTREE. - Pitcher ontogeny and production of digestive enzymes in the carnivorous pitcher plant, Sarracenia purpurea. [E] [Poster]
  291. LOPEZ, NORMA I.*, SUZETTE COLON, WILLIAM CARROMERO, JAMES D. ACKERMAN, AND RAYMOND L. TREMBLAY. - Genetic and morphological differentiation among Lepanthes caritensis, L. sanguinea, and L. eltoroensis (Orchidaceae). [S] [Poster]
  292. LUM, KARIN T., MARY PARENT, PHILIP D. REID*, AND IRWIN P. TING. - Regulation of CAM induction in Mesembryanthemum crystallinum by photoperiod and salt stress. [D] [Poster]
  293. LUPIA, RICHARD*, PATRICK S. HERENDEEN, SUSANA MAGALLON-PUEBLA, PETER R. CRANE, AND JOLANTA KOBYLINSKA. - The Allon flora (Late Cretaceous, Georgia): diversity, abundance, and evolutionary implications. [F]
  294. LUPIA, RICHARD. - Discerning patchy vegetation using replicate samples: a Cretaceous example. [F]
  295. MADDEN, JAREN I.*, CYNTHIA S. JONES, AND CAROL A. AUER. - Structural comparison of somatic embryo development in the hybrid Pelargonium x hortorum Bailey and three ancestral species. [D]
  296. MAHONEY, ALISON MCKENZIE. - Packera paupercula -- predatory compilo-species or mare's nest of convergent species-in-progress? [S-symposium]
  297. MAMAY, SERGIUS H.*, DAN S. CHANEY, AND WILLIAM A. DIMICHELE. - A Mesozoic-type flora from the Lower Permian of Texas. [F]
  298. MANCHESTER, STEVEN R. - Cornaceae in Paleocene floras of the Rocky Mountains and Great Plains. [F]
  299. MANCHESTER, STEVEN R.* AND YUFEI WANG. - Systematic reevaluation of so-called Astronium (Anacardiaceae) fruits from the Eocene of western North America and Miocene of eastern Asia. Steven R. Manchester and Yufei Wang. [F]
  300. MANKTELOW, MARIETTE. - Presence and function of a filament curtain in the Acanthaceae. [S]
  301. MAPES, GENE* AND GAR W. ROTHWELL. - A new conifer-like coniferophyte in the Upper Pennsylvanian of Kansas. [F]
  302. MARKOS, STACI* AND BRUCE G. BALDWIN. - Use of the external transcribed spacer (ETS) of nrDNA in phylogenetic studies of young lineages: An example from Lessingia (Compositae, Astereae). [S]
  303. MARR, DEBORAH L.* AND LYNDA F. DELPH. - Spatial and temporal dynamics of a pollinator-transmitted pathogen, Microbotryum violaceum, and its long-lived host, Silene acaulis. [E]
  304. MARTIN, SUSAN S.* AND JOHNNY M. THOMAS II. - Nutrient deprivation affects glucosinolate composition of Sinapis alba. [C]
  305. MARTZ, TARA E.* AND DAVID A. FRANCKO. - Primary production of phytoplanton, macrophytes and attatched epiflora at the Old Woman Creek National Estuarine Research Reserve, Huron, OH. [E]
  306. MATHEWS, SARAH* AND MICHAEL J. DONOGHUE. - Duplicate gene rooting and difficult rooting problems in plant phylogeny. [S]
  307. MATTSON, SARENA M.* AND JEFFREY S. CARMICHAEL. - Reproductive biology of leafy spurge (Euphorbia esula L.): pollen tube pathway and breeding system analysis. [D]
  308. MAUN, M. ANWAR. - Population biology of American beachgrass on coastal sand dunes. [P-symposium]
  309. MAYER, MICHAEL S.*, JON P. REBMAN1, MICHELLE DEASEY, AND DOUGLAS GILBERT. - Hybrid speciation of Opuntia prolifera: morphological and molecular evidence. [S] [Poster]
  310. MAYER, VERONIKA E. - Evolution and function of fruit structures in Dipsacaceae. [S]
  311. MCCARTHY, SARAH E.* AND JONATHAN P. EVANS. - Regeneration failure in a disjunct population of overcup oak. [E] [Poster]
  312. MCCARTNEY, ELIZABETH A.*, JERI W. HIGGINBOTHAM, AND R. DAVID WHETSTONE. - Conservation genetics of Sagittaria secundifolia (Alismataceae). [G]
  313. MCDADE, LUCINDA A.* AND THOMAS F. DANIEL. - Unraveling the Justicieae (Acanthaceae). [S]
  314. MCMAHON, MICHELLE* AND LARRY HUFFORD. - Corolla-androecium synorganization in the flowers of tribe Amorpheae (Fabaceae). [D]
  315. MCMANUS, HILARY A.*, JAMES L. SEAGO, JR., LELAND C. MARSH, AND KAMAL I. MOHAMED. - Structural comparison of three Typha species: Typha glauca and its putative parental species, T. latifolia and T. angustifolia. [D]
  316. MEDLYN, DAVID A.*, WILLIAM D. TIDWELL, AND SUE A. BILBEY. - Fossil Ginkgo-like wood from the Upper Jurassic Morrison Formation, Utah. [F]
  317. MEEKINS, J. FORREST*, HARVEY E. BALLARD, AND BRIAN C. MCCARTHY. - Morphological and genetic variation within and among populations of the non-indigenous invasive herb Alliaria petiolata (garlic mustard, Brassicaceae). [E]
  318. MEEROW, ALAN W.*, CHARLES L. GUY, AND QIN-BAO LI. - Phylogeny of neotropical Amaryllidaceae based on nrDNA ITS sequences. - [S]
  319. MELOCHE, CHRISTOPHER G.* AND PAMELA K. DIGGLE. - Developmental preformation of Acomastylis rossii (Roseaceae) in contrasting alpine tundra sites. [D]
  320. MIKESELL, JAN E. - Influences of plant density and root excision on development in Zea mays. [D]
  321. MILLER, ALLISON J.*, DAVID A. YOUNG, AND JUN WEN. - Phylogenetic analysis of Rhus (Anacardiaceae). [S]
  322. MITRA, M.*, J.E. MICKLE, P.G GENSEL, AND E.A WHEELER. - Aquilapollenites occurs in the southeastern United States. [F]
  323. MOHAMED, KAMAL. - Systematics and biogeography of Striga (Scrophulariaceae) in Africa. [S]
  324. MOLLER, CAMERON G.*, M. R. CHASE, R. V. KESSELI, K. S. BAWA, J. DOLE, AND S. DAYANANDAN. - Dissection of geneflow and population structure using microsatellites in fragmented populations of tropical trees. [G-symposium]
  325. MOODY, AMBER*, PAMELA K. DIGGLE, AND DAVID A. STEINGRABER. - Architectural and developmental analysis of the vegetative propagule of Mimulus gemmiparus (Scrophulariaceae). [D]
  326. MOORE, GERRY. - Converting to a phylogenetic nomenclature: the good, the bad, and the nitty-gritty. [S]
  327. MOORE, GERRY. - The taxonomy of the horned-rushes (Rhynchospora section Longirostres Kunth). [S]
  328. MORIN, NANCY R. - Overview of Living Collections in North American Botanical Gardens and Arboreta. [S-symposium]
  329. MORIN, NANCY R. - Plants on Demand: Symposium Introduction. [S-symposium]
  330. MORT, MARK E.*, DOUGLAS E. SOLTIS, AND PAMELA S. SOLTIS. - Molecular systematics of Crassulaceae based on matK sequence data. [S]
  331. MORTON, CYNTHIA M.*, NIGEL P. BARKER, AND H. PETER LINDER. - Phylogenetic relationships of Cortaderia: cladistic analysis using the Nuclear Internal Transcribed Spacer region. [S]
  332. MOTLEY, TIMOTHY J.*, LENA STRUWE, AND VICTOR A. ALBERT. - Molecular Systematics of Hawaiian Hedyotis (Rubiaceae). [S]
  333. MURRELL, ZACK E.*, PATRICK E. CARROLL, SCOTT A. MYERS, AND PATRICK J. LAWLESS. - Examination of species boundaries in Hexastylis contracta Blomquist and H. rhombiformis Gaddy. [S]
  334. NACZI, ROBERT F. C.* AND BRUCE A. FORD. - Systematics of the Carex jamesii complex (section Phyllostachys, Cyperaceae). [S]
  335. NASON, JOHN D. - Parentage analysis and the study of dispersal in tropical trees. - [G-symposium]
  336. NAVARRO, LUIS* AND JAVIER GUITIAN. - Variation in floral morphology and reproductive success in Petrocoptis viscosa Rothm. (Caryophyllaceae). [E] [Poster]
  337. NEGRON-ORTIZ, VIVIAN. - Why is seed set very low in the rare cactus, Opuntia spinosissima, in the Florida Keys?. [E]
  338. NICHOL, SUSAN A.* AND WENDY KUHN SILK. - Effect of growth zones on pH in the rhizosphere. [D] [Poster]
  339. NIETO FELINER*, GONZALO*, JOSEP A. ROSSELLO PICORNELL**, AND JAVIER FUERTES AGUILAR*. - Extensive reticulate evolution in Armeria (Plumbaginaceae) based on nrDNA internal transcribed spacers. [S]
  340. NIKLAS, KARL J. - A statistical approach to mechanical factors of safety. [D]
  341. NIX, HENRY A. - Modelling plant and animal distributions in <|>Terra Australis (Australia and New Guinea) in space and time. [S-symposium]
  342. NIXON, KEVIN C.*, JERROLD I DAVIS, AND PABLO A. GOLOBOFF. - Search strategies for large datasets: an example using rbcL. [S]
  343. NYFFELER, RETO. - Parallel trends in stem characters of West-Andean cacti (Cactaceae, Notocacteae). [D]
  344. OCHOTERENA-BOOTH, HELGA* AND KEVIN C. NIXON. - Local and global parsimony: the analysis of large data sets from the family Rubiaceae. [S]
  345. OLMSTEAD, RICHARD G*, CLAUDE W DEPAMPHILIS, ANDREA D WOLFE, NED D YOUNG, AND PATRICK A REEVES. - Disintegration of the Scrophulariaceae: from the ashes .. [S]
  346. OTIENO, ONESIMUS, L.*, KELLY, S. JOHNSON, AND JAN SALICK. - Effect of intercropping repellent mint species with Brassica oleracea var acephala. [E] [Poster]
  347. OWEN, JR., T. PAGE* AND KRISTEN A. LENNON1. - Structure and development of the pitchers from the carnivorous plant Nepenthes alata. [D] [Poster]
  348. OWENS, SHIRLEY A. - Secondary pulvini in the leaves of Cercis canadensis L. (Fabaceae). [D]
  349. OWENS, SHIRLEY A.*, JOANNE H. WHALLON, AND STANLEY L. FLEGLER. - The formation of calcium crystals during fixation of sectioned pulvinus tissue. [D]
  350. PALACI, CARLOS A. AND GREGORY K. BROWN.* - Ovules and seeds of Catopsis (Bromeliaceae:Tillandsioideae). [S]
  351. PALACIOS-RIOS, MONICA. - Conservation Status of the ferns of Veracruz, México. [O-symposium]
  352. PALACIOS-RIOS, MÓNICA AND KLAUS MEHLTRETER.* - A database for the knowledge and conservation of the biodiversity of Latin American pteridophytes. [O-symposium]
  353. PANERO, JOSE L.* AND ANNE PLOVANICH. - Reticulate evolution in subtribe Galinsoginae (Asteraceae: Heliantheae). [S]
  354. PANERO, JOSE L.*, JAVIER FRANCISCO-ORTEGA, A. SANTOS-GUERRA, AND ROBERT K. JANSEN. - Molecular evidence for the origin and evolution of the Macaronesian endemic genus Pericallis. [S-symposium]
  355. PANERO, JOSE L.*, PATRICIA DAVILA ARANDA, ISMAEL CALZADA, AND ELIZABETH SKENDZIC. - The Flora of Juxtlahuaca, northwestern Oaxaca state, Mexico. [J]
  356. PAOLILLO, DOMINICK J.SECTION OF PLANT BIOLOGY. - The outer epidermal wall, extension growth and organ support. [D]
  357. PATTERSON, THOMAS B.* AND THOMAS G. GIVNISH. - Phylogeny and evolutionary trends in Liliaceae s.s., Calochortaceae, and Uvulariaceae: insights from ndhF sequence data. [S]
  358. PATTERSON, THOMAS B.*, THOMAS G. GIVNISH, AND KENNETH J. SYTSMA. - Phylogeny, biogeography, and evolutionary trends in Calochortus (Calochortaceae) inferred from chloroplast non-coding sequence data. [S]
  359. PENDLETON, ROSEMARY L.1*, BURTON K. PENDLETON, AND STEVEN D. WARREN2. - Response of blackbrush (Coleogyne ramosissima) seedlings to inoculation with arbuscular mycorrhizal fungi. [E]
  360. PENG, CHING-I1* AND TZEN-YUH CHIANG2. - Hybridity and parentage of Begonia taipeiensis Peng (Begoniaceae) from Taiwan. [S] [Poster]
  361. PERONI, PATRICIA A.*, KELLY KIEFER, KATHERINE OKEY, AND ALLEN MARSHALL. - Effects of burial and microhabitat on the survival and genetic composition of seed banks from a white campion (Silene latifolia) metapopulation. [E] [Poster]
  362. PETERSON, PAUL M. - Systematics of the Muhlenbergiinae (Chloridoideae: Eragrostideae). [S]
  363. PIGG, KATHLEEN B.1* AND STEVEN R. MANCHESTER2. - Silicified heptalocular fruits from the middle Miocene Yakima Canyon flora, central Washington state. [F]
  364. PIHLAR, OLIVER*, LENA STRUWE, AND VICTOR A. ALBERT. - Neotropical Gentianaceae and white sands: biogeography and character evolution. [S]
  365. PLUNKETT, GREGORY M. - Endemic araliad genera from New Caledonia and their implications for phylogeny and taxonomy in Araliales (Apiaceae and Araliaceae). [S]
  366. POETHIG, R. SCOTT. - Timing is everything: genetic and temporal regulation of leaf identity. [D-symposium]
  367. PORTER, J. MARK. - The importance of living and preserved collections for broad and synthetic systematic research at botanical gardens: Examples from Polemoniaceae. [S-symposium]
  368. POTGIETER, KURT* AND VICTOR A. ALBERT. - Aspidosperma evolution based on cladistic analyses of morphological and molecular (ITS, trnL-F) sequence data. [S]
  369. POTGIETER, KURT* AND VICTOR A. ALBERT. - Non-floral morphological correlates of the Apocynaceae s.s.-Periplocaceae-Asclepiadaceae transition (i.e., dispersal traits) mapped onto a trnL-F derived consensus tree. [S]
  370. PRATT, DONALD B.*, LYNN G. CLARK, AND MICHEAL, D.K. OWEN. - Genetic characterization and phenetic analysis of weedy monoecious and dioecious Amaranthus L. [S]
  371. PRICE, ROBERT A.* AND PATRICK W. SWEENEY. - Relationships in the tribe Cardamineae (Brassicaceae) from trnL-F and ndhF sequence comparisons. [S]
  372. PRINCE, LINDA M.* AND CLIFFORD R. PARKS. - An evaluation of tribal and generic classification of Theoideae (Theaceae) based on DNA sequence data. [S]
  373. PRUITT, PAUL. - A simple unified theory of plant hormones. - [P] [Poster]
  374. RAMIREZ-SOSA, CARLOS R.* AND DWIGHT T. KINCAID. - Tree Species Diversity in Forest Fragments in El Imposible National Park, El Salvador, C.A. [J]
  375. RAMIREZ-SOSA, CARLOS R.*, SUZANNE YATES, AND DAVID L. LENTZ. - Rural and Urban Ethnobotany of Brosimum alicastrum Sw. (Moraceae) in El Salvador, C.A. [B]
  376. RANDALL, PAULA F.* AND DANIEL J. FAIRBANKS. - Homologues of the Antirrhinum majus centroradialis and floricaula genes in Atriplex garrettii. [G]
  377. RANDALL, PAULA F.*, JOHN S. GARDNER, AND DANIEL J. FAIRBANKS. - SEM analysis of the seed surface morphologies of two varieties of Chenopodium quinoa. [D] [Poster]
  378. RANDLE, CHRISTOPHER P.*, AMY L. MCMULLEN, AND ANDREA D.WOLFE. - Conservation biology of Penstemon debilis (Scrophulariaceae): Implications of genetic diversity inferred from ISSR banding patterns. [S]
  379. RANDRIANASOLO, ARMAND. - New taxonomic perspective on three genera of Madagascar Anacardiaceae. [S]
  380. RANKER, TOM A. - Conservation Biology of Pteridophytes. [O-symposium]
  381. RANKER, TOM A.1* AND CHRISSEN E. C. GEMMILL2. - Population genetics of Hawaiian ferns and implications for conservation management. [O-symposium]
  382. RATHCKE, BEVERLY J. - After the hurricane: pollen- and resource-limitation of fruit set in the bird-pollinated, endemic Bahama swamp-bush, Pavonia bahamensis Hitchc. (Malvaceae). [E]
  383. RAUBESON, LINDA A. - Chloroplast DNA structural similarities shared by conifers and Gnetales: coincidence or common ancestry? [S]
  384. RAZ, LAUREN*, VICTOR A. ALBERT, AND TIMOTHY J. MOTLEY. - Molecular systematics of Hawaiian Chamaesyce (Euphorbiaceae). [S]
  385. REID, PHILIP D.*, PAUL STEPHENSON, AND DAVID BICKAR. - A laboratory exercise for measuring changes in protein content and proteolytic activity during programmed cell death of daylily flowers. [T]
  386. REINSVOLD, ROBERT J. - Effective strategies to enhance student learning of plant life cycles. [T]
  387. RENNER, SUSANNE S. - A molecular phylogeny of Laurales based on rbcL, trnL-trnF, and rpl16 plastid DNA sequences. [S]
  388. RENNER, SUSANNE S.* AND DONALD B. FOREMAN. - Molecular phylogenetics and biogeography of Atherospermataceae -- two Chile - Australia/New Zealand disjunctions. [S]
  389. RICCARDI, CYNTHIA L.* AND JAN SALICK. - Wana indigenous swidden agriculture within the Morowali Nature Reserve of Central Sulawesi, Indonesia. [B]
  390. RILEY, MICHAEL G.* AND RUTH A. STOCKEY. - An aquatic broad-leaved monocot from the Upper Cretaceous (Maastrichtian) St. Mary River Formation of southern Alberta. [F]
  391. ROBART, BRUCE W. - Double function pollination as a transitional stage in the evolution of the beaked floral form among the taxonomic varieties of Pedicularis bracteosa (Scrophulariaceae). [E] [Poster]
  392. ROBINSON, HAROLD. - Misadventures in the Senecioneae. [S-symposium]
  393. ROBISON, SCOTT*, ELAINE KENNEDY-SUTHERLAND, AND BRIAN MCCARTHY. - AN ASSESSMENT OF UNDERSTORY LIGHT ENVIRONMENTS USING HEMISPHERICAL PHOTOGRAPHY FOLLOWING PRESCRIBED BURN TREATMENTS WITHIN MATURE SECOND-GROWTH OAK-HICKORY FORESTS IN SOUTHERN OHIO. [E]
  394. RONSHEIM, MARGARET L.*, SARAH E. ANDERSON, AND EILEEN L. KRUEGER. - The effects of mycorrhizae and soil pathogens in intraspecific competition among asexual propagules of Allium vineale. [E]
  395. ROSE, JAMES F. - Arbortags: teaching about trees. [T] [Poster]
  396. ROTHWELL, GAR W.*, HEATHER D. ADDY, RUTH A. STOCKEY, AND RANDOLPH S. CURRAH. - Mycorrhizal associations of the middle Eocene taxodiaceous conifer Metasequoia milleri. [F]
  397. ROYO, ALEJANDRO A.*, RAMONA C. BATES, DAVID HERR, AND ELIZABETH P. LACEY. - Demographic modeling of Lobelia boykinii, a rare plant species endemic to Carolina Bays. [E]
  398. RUMSEY, FREDERICK J.1*, JOHANNES C. VOGEL1, STEPHEN J. RUSSELL1, JOHN A. BARRETT2, AND MARY GIBBY1. - Are independent gametophyte populations important for the conservation of temperate Trichomanes species? [O-symposium]
  399. RUNIONS, C. JOHN* AND MONICA A. GEBER. - A heterochronic shift leading to self-pollination in Clarkia xantiana ssp. parviflora (Onagraceae). [D]
  400. RUSSELL, SCOTT D.*, ZHAOJIE ZHANG, AND HUI-QIAO TIAN. - Collection and characterization of male gametes of Plumbago and Nicotiana. [D]
  401. SALTMAN, TAMARA* AND JOHN L. GALLAGHER. - An Analysis of Phragmites Use in Municipal Sludge Drying Beds. [E]
  402. SAMUEL, ROSABELLE* AND FRIEDRICH EHRENDORFER. - Interspecific hybridization and phylogenetic relationships in eastern European Quercus as revealed by Isozymes, RAPDs, chloroplast (trnl) and nuclear rDNA(ITS) Molecular Markers. [S]
  403. SANDQUIST, DARREN R.* AND PETER M. VITOUSEK. - Effects of lava type on variation in water availability and plant physiological characteristics within early successional communities of Hawaii. [E] [Poster]
  404. SANTO, MATTHEW J., JENNIFER S. MASSA, AND T. PAGE OWEN, JR.* - Glandular secretion and absorption in the carnivorous pitcher plant Nepenthes alata. [P] [Poster]
  405. SAPOZHNIKOVA, TATIANA GENNADIEVNA. - Rare and endangered plants species and they protection on the Far East of Russia. [E]
  406. SAWYER, NEIL W.* AND GREGORY J. ANDERSON. - Dioecy in South American Deprea (Solanaceae). [J]
  407. SAWYER, NEIL W.* AND GREGORY J. ANDERSON. - Reproductive biology of the carrion-flower, Smilax herbacea (Smilacaceae). [E]
  408. SCHECKLER, STEPHEN E.* AND JEAN GALTIER. - Secondary tissues and vascular cambium mechanics of basal lignophytes. - [D]
  409. SCHENK1, H. JOCHEN* AND CLAUS HOLZAPFEL2. - Directional, spatial patterns in a desert plant community. [E]
  410. SCHLESSMAN, MARK A.* AND L. LEWIS JOHNSON. - An interdisciplinary course in Native North American Ethnobotany. [B-symposium]
  411. SCHOENENBERGER, JUERG* AND PETER K. ENDRESS. - Floral structure and development in Thunbergioideae s.l. (Acanthaceae). [D]
  412. SCHORN, HOWARD E., DIANE M. ERWIN, AND PATRICK F. FIELDS.* - Columbia Plateau and Intermountain Basin Neogene floras: Introduction to the Project. [F] [Poster]
  413. SCHULTHEIS, LISA M. - Genetic variation and population structure of Downingia bicornuta (Campanulaceae) based on microsatellite markers. [G]
  414. SCHWARZBACH, ANDREA E.* AND ROBERT E. RICKLEFS. - Comparison of different coding strategies for indels: empirical evidence from four intergenic sequences. [S]
  415. SCHWARZBACH, ANDREA E.* AND ROBERT E. RICKLEFS. - Historical biogeography of mangroves in the family Rhizophoraceae. [S] [Poster]
  416. SCHWEITZER, J.A.* AND T.G. WHITHAM. - The effect of hybridization on physiological responses to herbivores. [E]
  417. SCHWINNING, SUSANNE, RENATE L.E. GEBAUER, AND JAMES R. EHLERINGER.* - The role of interannual rainfall variation in structuring communities of desert plants-conclusions drawn from a simulation study. [E-symposium]
  418. SCOBELL, SUMMER A.* AND PETER E. SCOTT. - Nectar production and hummingbird visitation of claret cup cactus along an elevation gradient. [E]
  419. SCOTT, PETER E.*, RONALD S. LANGE, AND SUMMER A. SCOBELL. - Nectar production rates of hummingbird plants in an Arizona mountain range: convergence and outliers. [E] [Poster]
  420. SCRIBAILO, ROBIN W. - Floral development inSyngonium podophyllum(Araceae). [D]
  421. SCRIBAILO, ROBIN W.* AND MITCHELL ALIX. - Aquatic plants of the Valparaiso Lakes of Northwest Indiana; their potential contribution in the assessment of biotic integrity. [E] [Poster]
  422. SEAGO, JAMES L., JR. - Development and structure of the root cortex of the wetland plant, Caltha palustris. [D]
  423. SELISKAR, DENISE M. - Threats to American beachgrass on coastal dunes: pathogens to ponies. [P-symposium]
  424. SHEFFIELD, E.*, K. M. BRIDGES, AND C. A. ASHCROFT. - Rare Pteridium taxa in a sea of weeds - a conservation dilemma? [O-symposium]
  425. SHEIDAI, MASOUD* AND ABDOLREZA NASIRZADEH. - Karyomorphological study of Echinops species in Fars region of Iran. [G]
  426. SIMMONS, MARK P.* AND JENNIFER P. HEDIN. - Phylogeny and character evolution in Celastraceae sensu lato (including Hippocrateaceae) on the basis of morphological and anatomical characters. [S]
  427. SIMMONS, SARAH L.*, JOSE L. PANERO, AND MARK W. CHASE. - Molecular systematics of Staphyleaceae: a re-evaluation of its composition, ordinal placement, intra- and infrageneric relationships as inferred from rbcL and ITS sequence data. [S]
  428. SIMPSON, BERYL B. - Botany for apathetic premedical profession students. [B-symposium]
  429. SIMS, HALLIE J. - Contrasting evolutionary trends in seed (ovule) size and megaspore volume during the late Paleozoic. [F]
  430. SKARADEK, WILLIAM BRYAN. - The USDA Cape May PMC Research associated with Ammophila breviligulata. [P-symposium]
  431. SMALL, RANDALL L.* AND JONATHAN F. WENDEL. - Phylogeny, duplication, and intraspecific variation of Adh alleles in New World diploid cottons (Gossypium L.) [S]
  432. SMEDMARK, JENNY AND TORSTEN ERIKSSON.* - Geum and relatives (Rosaceae, Rosoideae), probable cases of bi-directional concerted evolution following allopolyploid speciation -- an interpretation based on nuclear ribosomal ITS and preliminary morpholological data. [S]
  433. SMITH, JAMES F. - Phylogenetic resolution within the tribe Episcieae (Gesneriaceae): ITS and ndhF sequences. [S]
  434. SMITH, JAMES L., II1*, BRADFORD D. MARTIN2, AND RONALD L. CARTER1. - Effects of pruning, watering, and gibberellic acid treatments on sex expression in natural populations of Croton californicus (Euphorbiaceae). [E] [Poster]
  435. SMITH, MARIANNE B*, HARRY T HORNER, AND REID G PALMER. - A developmental microscopic study of a Chinese wild-type soybean line exhibiting male sterility. [D]
  436. SMITH, R. ALAN* AND CLAUDE W. DEPAMPHILIS. - Phylogenetic placement of the holoparasitic family Lennoaceae: preliminary molecular evidence. [S]
  437. SMITH, UNA R. - Systematic analysis of Oceanopapaver, a [S]
  438. SOLTIS, DOUGLAS E.* AND PAMELA S. SOLTIS. - Plants, polyploidy, and the origins of species. [Z-symposium]
  439. SOLTIS, DOUGLAS E.*, PAMELA S. SOLTIS, MARK W. CHASE, DIRK ALBACH, MARK E. MORT, VINCENT SAVOLAINEN, AND MICHAEL ZANIS. - Molecular phylogenetics of angiosperms: congruent patterns inferred from three genes. Part II. [S]
  440. SOLTIS, PAMELA S. - The genetic consequences of polyploidy: Keys to the success of polyploids in nature? [G]
  441. SOLTIS, PAMELA S.*, DOUGLAS E. SOLTIS, MARK W. CHASE, DIRK ALBACH, MARK E. MORT, VINCENT SAVOLAINEN, AND MICHAEL ZANIS. - Molecular phylogenetics of angiosperms: congruent patterns inferred from three genes. Part I. [S]
  442. SOROS, CONNIE L.* AND NANCY G. DENGLER. - Ontogenetic derivation of PCA and PCR tissues in C3 and C4 Cyperaceae and comparisons with the Poaceae. [D]
  443. SPJUT, RICHARD W. - Morphological evolution in the Taxus leaf and its significance to recognizing ecological species within the genus. [S]
  444. SPJUT, RICHARD W. - Species of Taxus. [S]
  445. STACY, ELIZABETH. - Cross-compatibility in tropical trees: Associations with outcrossing distance, inbreeding, and seed dispersal. [G-symposium]
  446. STANLEY, ETHEL D. - Oh Phlox! A Visual Dataset for Undergraduate Biology. [T]
  447. STEFANOVIC, SASA*, MURIEL JAGER, JEAN DEUTSCH, JEAN BROUTIN, AND MONIQUE MASSELOT. - Molecular phylogeny of conifers based on 28S rDNA gene sequences. [S]
  448. STEIN, WILLIAM* AND JAMES BOYER. - Beyond heterochrony: assessing the logic of developmental systems underlying the evolution of primitive vascular plant form. [D-symposium]
  449. STEINMANN, VICTOR W. - The evolution of succulence in New World Euphorbia (Euphorbiaceae). [S]
  450. STELTZER, HEIDEMARIE* AND WILLIAM D. BOWMAN. - Influence of plant species on community structure through the control of spatial heterogeneity in nitrogen cycling in alpine tundra. [E-symposium]
  451. STEPP, JOHN R. - The healing fallow: medicinal plant habitat preferences of the Highland Maya. [B-symposium]
  452. STERLING*, MUIR, JAMES V. LA FRANKIE**, AND SHAWN K.Y. LUM***.* - Patterns of rattan distribution in a primary forest in Singapore. [J] [Poster]
  453. STEVENSON, DENNIS W.* AND ANDREW W. DOUGLAS. - Hülles, ocreas and metamers: vegetative architecture of Platanus revisited. [D]
  454. STOCKEY, RUTH A.* AND SELENA SMITH. - A new Millerocaulis (Osmundaceae) from the Lower Cretaceous of northern California. [F]
  455. STRAUB, PETER F. - American Beachgrass Symposium Abstract. [P-symposium]
  456. STRAUB, PETER F. - Genotyping American Beachgrass (Ammophila breviligulata) with RAPD DNA. [P-symposium]
  457. STRAUB, PETER F. - Sequencing, Expression, and Characterization of a G6PDH cDNA clone from soybean (Glycine max). [P]
  458. STRUWE, LENA*, MIKE THIV, JOACHIM KADEREIT, AND VICTOR A. ALBERT. - Saccifolium (Saccifoliaceae): character evolution, biogeography, and placement inside Gentianaceae based on trnL intron sequences. [S]
  459. STUCKEY, RONALD L. - The North American Review, an overlooked source for nineteenth century North American botanical history. [H]
  460. STUESSY, TOD F.*, CLODOMIRO MARTICORENA, AND ROBERTO RODRIGUEZ. - Flora of