Monday Morning, August 13, 2001


7:00 AM - 8:30 AM Hyatt, Fiesta
BREAKFAST: ABLS (Ticketed event)

8:00 AM - 11:00 AM ACC, 101-Brazos

PLENARY SYMPOSIUM: All Societies - Comparative and functional genomics: evolutionary implications

Organized by: DOUGLAS E. SOLTIS, Department of Botany and the Genetics Institute, University of Florida, Gainesville, FL 32611. E-mail:
Presiding: DOUGLAS E. SOLTIS, University of Florida, Gainesville.

8:00 1-1 WENDEL, JONATHAN F. Iowa State University, Ames. Evolution of crop plants: models, mechanisms, and implications.

8:30 1-2 OSBORN, T. C.*, M. E. SCHRANZ, P. A. QUIJADA, and L. N. LUKENS. University of Wisconsin, Madison. Polyploidy and genetic variation in Brassica species.

9:00 1-3 Rosenzweig, Frank. University of Florida College of Medicine, Gainesville. Microarrays and applications in evolutionary biology.

9:30 BREAK

9:45 1-4 SOMERVILLE, CHRIS. Carnegie Institution and Stanford University, Stanford, CA. The evolution of chemical diversity.

10:15 1-5 WALBOT, VIRGINIA. Stanford University, Stanford, CA. Accelerating the pace of allelic diversity: the role of transposable elements.


8:00 AM - 12:00 PM ACC, 205-San Miguel

CONTRIBUTED PAPERS: ASPT / IOPB / Systematics Section, BSA – Phylogeny of plants and major plant clades

Presiding: BARBARA A. WHITLOCK, Biology Department, University of Massachusetts, Amherst, MA 01003. Tele: 413-545-0035, E-mail:

8:00 2-1 LEE, JUNGHO1,2*, OLENA DOMBROVSKA1,2, MARGARET HOEY1,3, BARBARA A. WHITLOCK1, and YIN-LONG QIU1,2. 1University of Massachusetts, Amherst; 2University of Zürich, Switzerland; 3Fitchburg State University, Fitchburg, MA. A phylogenetic analysis of land plants using four genes from three genomes.

8:15 2-2 YIP, KWOK LEUNG* and BRENT D. MISHLER. University of California, Berkeley. A reappraisal of the resorption pores of hyalocysts in the Calymperaceae and their phylogenetic significance.

8:30 2-3 CHAW, SHU-MIAW1*, TERRENCE W. WALTERS2, SHARON S. HU1, and HSIN-HSIAO CHEN1. 1Academia Sinica, Taipei, Taiwan; 2Montgomery Botanical Center, Miami, FL. Phylogeny of extant Cycadales inferred from chloroplast matK gene.

8:45 2-4 RAI, HARDEEP S.1*, HEATH O'BRIEN1, RICHARD G. OLMSTEAD2, and SEAN W. GRAHAM1. 1University of Alberta, Edmonton, Canada; 2University of Washington, Seattle. Phylogeny of the cycads and their placement in the seed plants, as inferred from a large chloroplast data set.

9:00 2-5 TANK, DAVID C.1,2*, XIAO-QUAN WANG3, and TAO SANG2. 1University of Washington, Seattle; 2Michigan State University, East Lansing; 3Chinese Academy of Sciences, Beijing. Recent transfers of cinnamyl alcohol dehydrogenase genes between conifers diverged 200 million years ago.

9:15 2-6 RYDIN, CATARINA1,2*, MARI KALLERSJÖ2, and ELSE MARIE FRIIS2. 1Stockholm University, Sweden; 2Swedish Museum of Natural History, Stockholm. Seed plant relationships and the systematic position of Gnetales; evidence from nuclear and chloroplast DNA demonstrates the monophyly of Conifers.

9:30 2-7 ICKERT-BOND, STEFANIE, M.* and RAYMOND J. CRANFILL. Arizona State University, Tempe; University of California, Berkeley. Revisiting Stapf: Phylogeny of Ephedra, insights from plastid genes and morphology.

9:45 2-8 HILU, KHIDIR W.1*, THOMAS BORSCH2, VINCENT SAVOLAINEN3, PAMELA S. SOLTIS4, DOUGLAS E. SOLTIS4, MARK W. CHASE3, KAI MULLER2, TRACEY SLOTTA1, MARTYN POWELL3, LARS CHATROU3, JENS G. ROHWER5, HERVE SAUQUET6, PHILIPPE CUENOUD3, CHRISTOPH NEINHUIS2, and LARRY A. ALICE7. 1Virginia Polytechnic Institute and State University, Blacksburg; 2Friedrich-Wilhelms-Universität Bonn, Germany; 3Royal Botanic Gardens, Kew, United Kingdom; 4University of Florida, Gainesville; 5Universität Hamburg, Germany; 6Museum National d Histoire Naturelle, Paris, France; 7Western Kentucky University, Bowling Green. Angiosperm phylogeny based on matK sequence data.

10:00 BREAK

10:15 2-9 WHITLOCK, BARBARA A.1*, JUNGHO LEE1,2, OLENA DOMBROVSKA1,2, FABIANA BERNASCONI-QUADRONI2, and YIN-LONG QIU1,2. 1University of Massachusetts, Amherst; 2University of Zürich, Switzerland. Dating the age of angiosperms with DNA sequences of seven mitochondrial, plastid, and nuclear genes.

10:30 2-10 BARKMAN, TODD J. Western Michigan University, Kalamazoo. Angiosperm phylogenetics: genomic congruence and methodological incongruence.

10:45 2-11 STEVENS, PETER F. Missouri Botanical Garden, St. Louis, and University of Missouri, St. Louis. Angiosperm phylogeny and morphology: characterisations of "all" clades of subfamilies and above.

11:00 2-12 BHARATHAN, G.1, T. GOLIBER2, J-J CHEN2*, and N. SINHA2. 1State University of New York, Stony Brook; 2University of California, Davis. Simple leaves, complex leaves: which way?

11:15 2-13 TAYLOR, DAVID WINSHIP1*, GILBERT J. BRENNER2, SA'D H. S. BASHA3, and ALI H. AL-HAMMAD3. 1Indiana University Southeast, New Albany; 2State University of New York, College at New Paltz; 3University of Jordan, Amman. Lower Cretaceous evidence for the Cabombaceae water lily lineage and implications for molecular divergence in ancient monophyletic clades.

11:30 2-14 Neinhuis, Christoph1*, Stefan Wanke1, Khidir W. Hilu2, and Thomas Borsch1. 1Universität Bonn, Germany; 2Virginia Polytechnic Institute and State University, Blacksburg. Peppers and pipevines: phylogenetic relationships within Piperales.

11:45 2-15 Tepe, Eric J.*, Michael A. Vincent, and Linda E. Watson. Miami University, Oxford, OH. Evolution of ant mutualisms in Piper subg. Macrostachys (Piperaceae): variation in ant-associated characters.

8:15 AM - 11:45 AM ACC, 215-Mesilla

CONTRIBUTED PAPERS: ASPT / IOPB / Systematics Section, BSA – Biogeography

Presiding: GREGORY M. PLUNKETT, Department of Biology, Virginia Commonwealth University, Richmond, VA 23284-2012. Tele: 804-828-1562, E-mail:

8:15 3-1 Plunkett, Gregory M.1*, Porter P. Lowry2, and Jonathan M. Eibl1. 1Virginia Commonwealth University, Richmond; 2Missouri Botanical Garden, St. Louis. Evolution and speciation in New Caledonian Araliaceae.

8:30 3-2 Dillon, Michael O. The Field Museum, Chicago, IL. Biogeography and diversity of the Solanaceae in the lomas formations of Chile and Peru.

8:45 3-3 Mione, Thomas1*, Segundo Leiva G.2, and Donald H. Les3. 1Central Connecticut State University, New Britain; 2Universidad Privada Antenor Orrego, Trujillo, Peru; 3University of Connecticut, Storrs. The biogeography of South American Jaltomata (Solanaceae).

9:00 3-4 Wolfe, Andrea D.1*, Christopher P. Randle1, and Kim E. Steiner2. 1The Ohio State University, Columbus; 2California Academy of Sciences, San Francisco. Phylogeny and biogeography of Orobanchaceae reconstructed from nuclear rDNA 5.8s and ITS sequence data.

9:15 3-5 Lindqvist, Charlotte* and Victor A. Albert. University of Alabama, Tuscaloosa. The Hawaiian endemic mints are derived within North American Stachys (Lamiaceae).

9:30 3-6 Baldwin, Bruce G. University of California, Berkeley. Phylogeography and major range disjunctions of the rare, granite endemic Carlquistia muirii (Compositae—Madiinae): ancient long-distance dispersal or surfing on the Salinian Block?

9:45 3-7 Bergh, N. G.*, T. A. J. Hedderson, H. P. Linder, and W. J. Bond. University of Cape Town, South Africa. Genetic variation in the renosterbos, Elytropappus rhinocerotis (Asteraceae) in the southwestern Cape, South Africa.

10:00 BREAK

10:15 3-8 Stone, R. Douglas. University of California, Berkeley. Southern hemisphere biogeography: phylogenetic evidence from angiosperms and other groups.

10:30 3-9 Meudt, Heidi M.* and Beryl B. Simpson. University of Texas, Austin. Austral biogeography: the evolution of subalpine Ourisia (Veronicaceae/Scrophulariaceae s.l.) in a phylogenetic context.

10:45 3-10 Simmons, Sarah L.* and Jose L. Panero. University of Texas, Austin. Phylogeny and biogeography of Staphyleaceae (DC.) Lindl.

11:00 3-11 Coskun, FaTIh1*, Jianhua Li2, and Clifford R. Parks1. 1University of North Carolina, Chapel Hill; 2Harvard University, Jamaica Plain, MA. Molecular systematics and biogeography of the genus Tilia (Tiliaceae).

11:15 3-12 Fritsch, Peter W.1*, Charles C. Davis2, Jianhua Li3, and MichaeL J. Donoghue4. 1California Academy of Sciences, San Francisco; 2Harvard University, Cambridge, MA; 3Harvard University, Jamaica Plain, MA; 4Yale University, New Haven, CT. The phylogeny and historical biogeography of Cercis: evidence from ITS and ndhF DNA sequences.

11:30 3-13 Janovec, John P.*, Berry Brosi, and Amanda K. Neill. The New York Botanical Garden, Bronx. Systematic research and the geospatial realm: examples from studies of Neotropical plants.

8:15 AM - 11:45 AM ACC, 103-Galisteo

CONTRIBUTED PAPERS: ASPT / IOPB / Systematics Section, BSA – Early-diverging asterids and euasterids II

Presiding: THOMAS G. LAMMERS, Department of Biology and Microbiology, University of Wisconsin Oshkosh, Oshkosh, WI 54901. Tele: 920-424-1002, E-mail:

8:15 4-1 WIESE, ANNA K.* and L. ALAN PRATHER. Michigan State University, East Lansing. Phylogenetic relationships in Cantua (Polemoniaceae): inferences from cpDNA sequences, nrDNA ITS sequences, and pollen morphology.

8:30 4-2 TIMME, RUTH E.* and ISABELLE DE GEOFROY. San Francisco State University, CA. A molecular phylogeny of the genus Polemonium (Polemoniaceae) using ITS sequence.

8:45 4-3 MAST, AUSTIN R.1*, ELENA CONTI1, A. JOHN RICHARDS2, SYLVIA KELSO3, DANIELA LANG1, and D. SKY FELLER1. 1University of Zürich, Switzerland; 2University of Newcastle upon Tyne, United Kingdom; 3Colorado College, Colorado Springs. Implication of a two-intron cpDNA phylogeny of Primula (Primulaceae) for the group's taxonomy and evolutionary history.

9:00 4-4 KRON, KATHLEEN A.* and E. ANN POWELL. Wake Forest University, Winston-Salem, NC. Phylogenetic relationships within the blueberry tribe (Vaccinieae, Ericaceae) based on matK and nrITS sequence data.

9:15 4-5 POWELL, E. ANN* and KATHLEEN A. KRON. Wake Forest University, Winston-Salem, NC. Hawaiian blueberries and their relatives - A phylogenetic analysis of Vaccinium L. sections Macropelma (Klotzsch) Hooker f., Myrtillus Dumortier, and Hemimyrtillus Sleumer.

9:30 4-6 COSTELLO, ANNEMARIE* and TIMOTHY J. MOTLEY. New York University, New York, and The New York Botanical Garden, Bronx. Systematics of the Tetraplasandra group (Araliaceae) using molecular and morphological data.

9:45 4-7 NEVES, SUSANA S.* and MARK F. WATSON. Virginia Polytechnic Institute and State University, Blacksburg; Royal Botanic Garden Edinburgh, United Kingdom. Phylogeny of Bupleurum (Apiaceae) based on ITS sequence data.

10:00 BREAK

10:15 4-8 ZHANG, WEN-HENG, ZHI-DUAN CHEN*, HU-BIAO CHEN, and YAN-CHENG TANG. Peking University, Beijing, China and Institute of Botany, the Chinese Academy of Sciences, Beijing. Phylogeny of the Dipsacales s.l. based on chloroplast trnL-F and ndhF sequences.

10:30 4-9 EDDIE, W. M.1*, T. SHULKINA2, J. GASKIN2, R. HABERLE1, and R. K. JANSEN1. 1University of Texas, Austin; 2Missouri Botanical Garden, St. Louis. Reconstruction of the phylogeny of the Campanulaceae s. str. using ITS.

10:45 4-10 EDDIE, W. M.* and C. N. CUPIDO. University of Texas, Austin; National Botanical Institute, Kirstenbosch Research Centre, South Africa. Some observations on the reproductive morphology of the wahlenbergioid genera of the family Campanulaceae s.str.from the fynbos vegetation of South Africa.

11:00 4-11 KNOX, ERIC B.* and A. MUTHAMA MUASYA. Rutgers University, Newark, NJ; National Museums of Kenya, Nairobi. The phylogeny and biogeography of the Lobeliaceae based on the chloroplast genes atpB and rbcL and their intergenic spacer sequence.

11:15 4-12 LAMMERS, THOMAS G. University of Wisconsin, Oshkosh. Neotropical Lobelioideae (Campanulaceae): more new species, more new characters.

11:30 4-13 BATTERMAN, MCLYNDA R.W. and THOMAS G. LAMMERS.* University of Wisconsin, Oshkosh. Trichome morphology and its systematic implications in Centropogon and other genera of Lobelioideae (Campanulaceae).

8:15 AM - 12:00 PM ACC, 107-Aztec

CONTRIBUTED PAPERS: Ecological Section, BSA – Life history and phenotypic plasticity

Presiding: CAROL C. BASKIN, School of Biological Sciences, University of Kentucky, Lexington, KY 40506-0225. Tele: 859-257-3996, E-mail:

8:15 5-1 BLOOM, THOMAS C.1, JERRY M. BASKIN2*, and CAROL C. BASKIN2. 11209 Glade Street, College Station, TX and 2University of Kentucky, Lexington. Ecological life history of the facultative biennial Arabis laevigata var. laevigata (Brassicaceae).

8:30 5-2 HANNAN, GARY L. Eastern Michigan University, Ypsilanti. Size-related changes in biomass allocation to male and female function in a wind-pollinated annual plant.

8:45 5-3 HAWKINS, TRACY S.1,2*, JERRY M. BASKIN2, and CAROL C. BASKIN2. 1Hazard Community College and 2University of Kentucky, Lexington. Ecological life cycle and phenology of biomass allocation in Cryptotaenia canadensis.

9:00 5-4 NIKLAS, KARL J.,1* and BRIAN J. ENQUIST2. 1Cornell University, Ithaca and 2University of Arizona, Tucson. An axiomatic tree biomass allocation pattern: derivation and verification.

9:15 5-5 QUINN, JAMES A.,1* and SCOTT J. MEINERS2. 1Rutgers University, New Brunswick and 2Eastern Illinois University, Charleston. Sex ratios, growth rates, and survivorship of red cedar (Juniperus virginiana) on the New Jersey Piedmont from 1963-2000.

9:30 5-6 RICHARDSON, CHARLES R.,*, D. NICHOLAS MC LETCHIE, and PHILIP H. CROWLEY. University of Kentucky, Lexington. Life-history tradeoffs and genotypic variation in the dioecious liverwort Marchantia inflexa.

9:45 5-7 BHASKAR, RADIKA,* and DAVID ACKERLY. Stanford University. Responses of hydraulic traits to light and water availability in a California chaparral shrub.

10:00 BREAK

Presiding: MASSIMO PIGLIUCCI, Departments of Botany and of Ecology & Evolutionary Biology, University of Tennessee, Knoxville, TN 37996-1100. Tele: 865-974-6221, E-mail:

10:30 5-8 MILLER, JILL S.* and PAMELA K. DIGGLE. University of Colorado, Boulder. Evolutionary diversification of plastic sex expression in andromonoecious Solanum section Lasiocarpa.

10:45 5-9 PIGLIUCCI, MASSIMO1* and JOHANNA SCHMITT2. 1University of Tennessee, Knoxville and 2Brown University, Providence, RI. Phenotypic plasticity to foliar and neutral shade in gibberellin mutants of Arabidopsis thaliana.

11:00 5-10 TYLER, ANNA P.* and DIANE L. MARSHALL. University of New Mexico, Albuquerque. Effects of elevated CO2 on male fitness in wild radish, Raphanus saitvus.

11:15 5-11 WALKER, JASON C.* and KATHERINE C. LARSON. University of Central Arkansas, Conway. Morphological plasticity in two types of Lonicera in response to light availability.

11:30 5-12 ASHLEY, NATALIE* and GARY K. GREER. West Virginia State College, Institute. Effects of above-ground injury on the ability of Ailanthus altissima to effect neighbors via soil properties.

11:45 5-13 ENDRESS, BRYAN A. and DAVID L. GORCHOV.* Miami University, Oxford, OH. Effects of leaf harvesting and browsing on the demography of Chamaedorea radicalis Mart. (Arecaceae) palms in the El Cielo Biosphere Reserve.

8:30 AM - 12:00 PM ACC, 201-La Cienega

CONTRIBUTED PAPERS: Genetics Section, BSA – Population and conservation genetics, molecular evolution and genetics

Presiding: PAUL G. WOLF, Department of Biology, Utah State University, Logan, UT 84322. Tel: 435-797-4034, E-mail:

8:30 6-1 NASSAR, JAFET. M.1,2*; J. L. HAMRICK3; and THEODORE H. FLEMING2. 1,2Instituto Venezolano de Investigaciones Cientificas, Caracas, Venezuela, 2University of Miami, Coral Gables, FL and 3University of Georgia, Athens. Outcrossing rates and correlated paternity in Venezuelan cacti with contrasting reproductive strategies.

8:45 6-2 NOVAK, STEPHEN J.* and ANGELA Y. WELFLEY. Boise State University, ID. Allozyme variation within and among populations of the introduced plant Poa bulbosa (Poaceae).

9:00 6-3 NOVAK, STEPHEN J.1*; JOHN K. SCOTT2; and PAUL C. QUIMBY3. 1Boise State University, ID, 2CSIRO European Laboratory, Montferrier-sur-Lez, France and 3USDA European Biological Control Laboratory, Montferrier-sur-Lez, France. Genetic diversity is low in naturalized populations of Lepidium latifolium (Brassicaceae) from southern France.

9:15 6-4 AFZAL-RAFII, ZARA* and RICHARD S. DODD. Universite d'Aix-Marseille III, Marseille, France and University of California Berkeley, CA. Population genetic structure in Pinus nigra subspecies salzmannii from southern France.

9:30 6-5 DODD, RICHARD S.*and ZARA AFZAL-RAFII. University of California Berkeley, CA and Universite d'Aix-Marseille III, Marseille, France. Genetic differentiation and adaptation in the mangrove Avicennia germinans.

9:45 6-6 WOLF, PAUL G.1*; BERNARD DOCHE2; LUDOVIC GIELLY2; and PIERRE TABERLET2. 1Utah State University, Logan and 2Universite Joseph Fourier, Grenoble, France. Genetic structure of alpine Rhododendron across a wide range of spatial scales.

10:00 6-7 HELENURM, KAIUS. University of South Dakota, Vermillion. High levels of genetic polymorphism in the insular endemic herb Jepsonia malvifolia (Saxifragaceae).

10:15 BREAK

10:30 6-8 HALL, SUZANNE S.* and KAIUS HELENURM. 1San Diego State University, CA and University of South Dakota, Vermillion. Dissimilar patterns of genetic variation in two insular endemics with similar habitat, distribution, recent history, and species characteristics.

10:45 6-9 CALIE, P. J.1*; N. SELTSAM1; A. T. DENHAM1; and B. A. FORD2. 1Eastern Kentucky University, Richmond and 2University of Manitoba, Winnipeg, Canada. Genetic diversity present in the restricted endemic Solidago shortii (Asteraceae).

11:00 6-10 HERMAN, SALLIE J.* and LINDA A. RAUBESON. Central Washington University, Ellensburg. Genetic diversity in a rare buttercup.

11:15 6-11 PEPPER, ALAN E.*; HEATHER HERRICK; and LAURA NORWOOD. Texas A&M University, College Station. Evolution and population structure of Caulanthus amplexicaulis var. barbarae (Brassicaceae), a rare sepentine endemic plant.

11:30 6-12 GARCIA, MIGUEL A.*; ERICA H. NICHOLSON, and DANIEL L. NICKRENT. Southern Illinois University, Carbondale. Intra-individual variation in plastid rDNA sequence from the holoparasite Cynomorium (Cynomoriaceae).

11:45 6-13 PIKE, LEE M.1*; SEAN A. WHITCOMB2, and DANIEL L. NICKRENT2. 1East Tennessee State University, Johnson City and 2Southern Illinois University, Carbondale. A survey of linkage between nuclear 5S and 26S rDNA in land plants.

8:40 AM - 11:30 AM ACC, 207-Ruidoso

CONTRIBUTED PAPERS: Paleobotanical Section, BSA – Isabel Cookson Student Award Session

Presiding: BONNIE JACOBS, Environmental Science Program, Southern Methodist University, P. O. Box 750395, Dallas, TX 75275-0395. Tele: 214-768-2743, E-mail:

8:40 7-1 PIGG, KATHLEEN. Arizona State University, Tempe. Introduction and comments from the Chair.

8:45 7-2 SORIA, AUDE1*, BRIGITTE MEYER-BERTHAUD1, and STEPHEN E. SCHECKLER2. 1 Universite Montpellier, France; 2Virginia Polytechnic Institute and State University, Blacksburg, VA. Development and architecture of a Gondwanan representative of the late Devonian genus Pietzschia (Cladoxylopsida).

9:00 7-3 DUNN, MICHAEL T.*, GAR W. ROTHWELL, and GENE MAPES. Ohio University, Athens. Upper Mississippian ovules with characteristics of two unique morphogenera: Stephanospermum and Rhynchosperma.

9:15 7-4 BOYCE, C. KEVIN. Harvard Botanical Museum, Cambridge, MA. The evolution of leaves and leaf development in the Paleozoic.

9:30 7-5 TOMESCU, ALEXANDRU MIHAIL FLORIAN* and GAR W. ROTHWELL. Ohio University, Athens. Exploring the cladistic relationships of sphenopsids.

9:45 7-6 HERNANDEZ-CASTILLO, GENARO1*, GAR ROTHWELL2, and GENE MAPES2. 1University of Alberta, Edmonton, Alberta, Canada; 2Ohio University, Athens. Evidence for compound pollen cones in Paleozoic conifers.

10:00 BREAK

10:15 7-7 SMITH, SELENA Y.* and RUTH A. STOCKEY. University of Alberta, Edmonton Alberta, Canada. Further investigations of Keratosperma allenbyensis (Araceae) from the Middle Eocene Princeton chert (Allenby Formation) of British Columbia.

10:30 7-8 HERNANDEZ-CASTILLO, GENARO* and RUTH A. STOCKEY. University of Alberta, Edmonton, Alberta, Canada. Taxodiaceous pollen cones from the Eocene of British, Columbia, Canada.

10:45 7-9 LITTLE, STEFAN A.1*, RUTH A. STOCKEY1, and GRAHAM BEARD2. 1University of Alberta, Edmonton, Alberta, Canada; 2Vancouver Island Paleontology Museum, Qualicum Beach, British Columbia, Canada. Angiosperm fruits and seeds from the Eocene of Vancouver Island.

11:00 7-10 MCCLAIN, AMY M. Florida Museum of Natural History, and University of Florida, Gainesville. Acer section Palmata in the leaf fossil record.

11:15 7-11 PHIPPS, CARLIE J.1*, THOMAS N. TAYLOR1, EDITH L. TAYLOR1, and WILLIAM C. REMBER2. 1University of Kansas, Lawrence; 2University of Idaho, Moscow. Fossil fungi from the Miocene of Idaho.

9:00 AM - 11:15 AM ACC, 113-Dona Ana

CONTRIBUTED PAPERS: Developmental and Structural Section, BSA – Roots and shoots

Presiding: JAN E. MIKESELL, Department of Biology, Gettysburg College, Gettysburg, PA 17325. Tele: 717-337-6158, E-mail:

9:00 8-1 NIKLAS, K. J.1*, F. MOLINA-FREANER2, C. TINOCO-OJANGUREN2, and D. J. PAOLLILO, JR. 1. 1Cornell University, Ithaca, NY; 2UNAM, Hermosillo, Mexico. Biomechanics and anatomy of Pachycereus pringlei root systems.

9:15 8-2 SEAGO, JAMES L. SUNY, Oswego. Root cortex development in Cyperus alternifolius.

9:30 8-3 GROOT, E. P. *, S.A. NICHOL, J. A. DOYLE and T. L. ROST. University of California, Davis. Phylogenetic relationships and root apical meristem organization in the dicots.

9:45 8-4 GROOT, E.P., K. CHAPMAN*, and T. L. ROST. University of California, Davis. Root apical meristem organization is a dynamic character in dicot roots.

10:00 BREAK

10:15 8-5 BAKER, DAVID M. University of California, Berkeley. Stipules and shoot development of Exbucklandia populnea.

10:30 8-6 KORN, ROBERT W. Bellarmine University, Louisville, KY. The origin of stomatal clusters in Begonia bracteosa.

10:45 8-7 MIKESELL, JAN E. Gettysburg College, Gettysburg, PA. Comparison of gametophyte and sporophyte development in ragweed species.

11:00 8-8 KIM, INSUN. Keimyung University, Taegu, Korea. Greatly reduced duckweed morphology with highly effective structural organization.

9:00 AM - 11:45 AM ACC, 111-Cimarron

SYMPOSIUM: ABLS / Bryological Section, BSA – Form and function in bryophytes: Development, constraints and consequences

Organized by: ANGELA E. NEWTON, Botany Department, Natural History Museum, Cromwell Road, London SW7 5BD, England. Tele: +44 (0) 20-7942-5209, E-mail:

Presiding: ANGELA E. NEWTON, Natural History Museum, London.

9:00 9-1 NEWTON, ANGELA E. Natural History Museum, London, UK. Introduction.

9:15 9-2 RICE, STEVEN K.* and SCOTT ROBINSON. Union College, Schenectady, NY. Canopy exchange and functional trade-offs in bryophytes.

9:45 9-3 DURING, HEINJO J. Utrecht University, Utrecht, Netherlands. On the role of branching patterns in the density-dependent growth of pleurocarpous chalk grassland mosses.

10:15 BREAK

10:30 9-4 NEWTON, ANGELA E. Natural History Museum, London, UK. Phylogenetic constraints on branching architecture in mosses.

11:00 9-5 FISHER, KIRSTEN M. University of California, Berkeley. Ontogenetic changes and their relationship to patterns of reproduction and diversification in a paleotropical moss complex, Syrrhopodon involutus.

11:30 9-6 FUSELIER, LINDA C.* and D. NICHOLAS McLETCHIE. University of Kentucky, Lexington. Sex-specific and environment-dependent phenotypic selection on pre-adult traits in Marchantia inflexa.

9:00 AM - 9:45 AM ACC, 203-Tijeras

CONTRIBUTED PAPERS: Economic Botany Section, BSA –

Presiding: Felix G. Coe, Tennessee Technological University, Department of Biology, P. O. Box 5063, Cookeville, TN 38505. Tele: 931-372-6258, E-mail:

9:00 10-1 ESTRADA-FLORES, JULIETA G.1 and HEIKE VIBRANS2.* 1Universidad Autonoma del Estado de Mexico, Mexico; 2Colegio de Postgraduados en Ciencias Agricolas, Mexico. Reconstructing the spread of Toluca teosinte (Zea mays subsp. mexicana).

9:15 10-2 VERHOEK, SUSAN. Lebanon Valley College, Annville, PN. Botany in European fairy tales.

9:30 10-3 VIEYRA-ODILON, LETICIA1 and HEIKE VIBRANS2.* 1Universidad Autonoma del Estado de Mexico, Mexico; 2Colegio de Postgraduados en Ciencias Agricolas, Mexico. Contribution of maize field weeds to a rural economy in the Valley of Toluca, Mexico.

9:15 AM - 11:15 AM ACC, 209-Pecos

CONTRIBUTED PAPERS: AFS / Pteridological Section, BSA –

Presiding: CHRISTOPHER H. HAUFLER, Department of Ecology and Evolutionary Biology, University of Kansas, Lawrence, KS 66045. Tele: 785-864-3255, E-mail:

9:15 11-1 COX, PATRICIA B. University of Tennessee, Knoxville. A re-evaluation of the pteridophyte flora in the Great Smoky Mountains National Park.

9:30 11-2 WHITTIER, DEAN P. Vanderbilt University, Nashville. TN. Apogamy in Psilotum and Tmesipteris.

9:45 11-3 PETERSEN, RAYMOND L.* and LISA FUNDERBURK. Howard University, Washington, DC. A history of ozone pollution (1850-1990) in eastern United States based on the use of Osmunda cinnamomea L. herbarium specimens.

10:00 11-4 HOOT, SARA B.1*, W. CARL TAYLOR2, and NANCY S. NAPIER1 1University of Wisconsin, Milwaukee and 2Milwaukee Public Museum, Milwaukee. Parental species of Isoetes allotetraploids, including "dead-beat" parents.

10:15 BREAK

10:30 11-5 DES MARAIS, DAVID L.1*, KATHLEEN M. PRYER2, and ALAN R. SMITH1. 1University of California, Berkeley and 2Duke University, Durham, NC. Phylogeny, character evolution, and biogeography of extant horsetails (Equisetum).

10:45 11-6 BARKER, MICHAEL S.* and WARREN D. HAUK. Denison University, Granville, OH. An evaluation of Sceptridium dissectum (Spreng.) Lyon and S. oneidense (Gilb.) House (Ophioglossaceae) using ISSR markers: implications for Sceptridium species circumscriptions.

11:00 11-7 HENNEQUIN, SABINE* and JEAN-YVES DUBUISSON. Université Pierre et Marie Curie, Paris, France. Systematics of the fern genus Hymenophyllum s.l. (Hymenophyllaceae) inferred from rbcL and rps4 nucleotide sequences and morphology.

11:15 11-8 SPEER, WILLIAM D.1*, ELIZABETH SHEFFIELD2, and PAUL G. WOLF1. 1Utah State University, Logan and 2University of Manchester, Manchester, UK. Relationships among Northern Hemisphere Pteridium: some new perspectives.

10:00 AM - 11:00 AM ACC, 203-Tijeras
Business Meeting: Economic Botany Section, BSA

Presiding: Felix G. Coe, Tennessee Technological University, Department of Biology, P. O. Box 5063, Cookeville, TN 38505. Tele: 931-372-6258, E-mail:

11:30 AM - 12:00 PM ACC, 203-Tijeras

CONTRIBUTED PAPERS: Historical Section, BSA –

Presiding: RICHARD M. MCCOURT, Academy of Natural Sciences of Philadelphia, 1900 Benjamin Franklin Parkway, Philadelphia, PA 19103. Tele: 215-299-1157, E-mail:

11:30 12-1 MCCOURT, RICHARD M.*, EARLE E. SPAMER, and ALFRED E. SCHUYLER. Academy of Natural Sciences, Philadelphia, PA. The herbarium of the Lewis and Clark expedition: saving an American treasure.

11:45 12-2 TOUWAIDE, ALAIN. University of Oklahoma, Norman. From Phylo-code vs. Linnaeus, back to Dioscorides vs. Theophrastus. A study in the transformation of systems of plant classification.

11:30 AM - 1:00 PM Hyatt, Fiesta 3-4
LUNCHEON: Economic Botany Section, BSA (Ticketed Event)

Presiding: Felix G. Coe, Tennessee Technological University, Department of Biology, P. O. Box 5063, Cookeville, TN 38505. Tele: 931-372-6258, E-mail:

Speaker: GARY NABHAN, Center for Sustainable Environments, Northern Arizona University, Flagstaff. Ethnobiological education and conservation based in indigenous communities: successes in the Sonoran Desert and Colorado Plateau.