Tuesday Afternoon, August 14, 2001


12:30 PM - 2:00 PM ACC, SW Exhibition Hall


Posters will be displayed from Monday morning, 13 August through Wednesday afternoon, 15 August. Presenters will be available to field questions and discuss their posters from 12:30 pm to 2:00 pm on Tuesday, 14 August.

CONTRIBUTED POSTERS: ABLS / Bryological and Lichenological Section, BSA –

36-1 EVERSMAN, SHARON*, CLIFFORD M. WETMORE, KATHERINE GLEW and JAMES P. BENNETT. Montana State University, Bozeman. Lichen ecology in Yellowstone National Park.

36-2 DILLMAN, KAREN L.*, LINDA H. GEISER, JIM RILEY and GARY LAURSEN. Arizona State University, Tempe. Lichens of the Great Kobuk Sand Dunes of northwestern Alaska.

36-3 MORGAN, SARA M. and ROBERT S. EGAN*. University of Nebraska, Omaha. Lichens of the ponderosa pine forests of Nebraska.

36-4 SCHOENINGER, ROBIN*, THOMAS H. NASH and JACK A. ELIX. Arizona State University, Tempe. The chemistry of Acarospora subgenus Xanthothallia (lichenized ascomycete, Lecanorales) in southwestern North America.

36-5 SCHOENINGER, ROBIN*, CORINNA GRIES and THOMAS H. NASH. Arizona State University, Tempe. Herbarium databases: creation, maintenance and access via the Internet.

36-6 INDOE, KEVIN E. New York Botanical Garden, Bronx. The New York Botanical Garden's American bryophyte catalog.

36-7 NOBLE, SARAH MARIE* and DAVID K. SMITH. University of Tennessee, Knoxville. Floristic and ecological studies of bryophytes in a Southern Appalachian gorge.

36-8 SMAW, SHERCODA*, LAFAYETTE FREDERICK and RAYMOND L. PETERSEN. Howard University, Washington, DC. The urban moss Bryum capillare Hedw.: cyanobacterial and algal associates as biogenic crusts.

36-9 HASTINGS, ROXANNE I.* and DONNA M. CHERNIAWSKY. Provincial Museum of Alberta, Edmonton, Alberta, Canada. Species separation in the Grimmia longirostris-G. pilifera (Grimmiaceae) complex in North America.

36-10 BELL, NEIL E.* and ANGELA E. NEWTON. Natural History Museum, London, UK. Phylogenetic studies of the Rhizogoniaceae (Bryales): unravelling the origins of pleurocarpy.

36-11 JONES, NICOLE L.*, SHARON E. BARTHOLOMEW-BEGAN and TATSUWO FURUKI. West Chester University, West Chester, PA. A preliminary overview of gemmae morphologies in Cavicularia densa Steph.

36-12 SYDNEY, CAREY* and D. NICHOLOAS McLETCHIE. University of Kentucky, Lexington. Testing for sex-specific life history traits under field conditions in a dioecious liverwort.

36-13 PUTERBAUGH, MARY N. University of Pittsburgh, Bradford, PA. Preliminary investigation of the interaction between the liverwort Frullania eborascensis and Bdelloid rotifers.

36-14 BRAY, JR., JAMES R., ABEL J. KINSER* and BARBARA J. CRANDALL-STOTLER. Southern Illinois University, Carbondale. Community structure and spore bank dynamics in the Fossombroniineae of south-central Texas.

CONTRIBUTED POSTERS: AFS / Pteridological Section, BSA –

36-15 KORALL, PETRA* and WILSON A. TAYLOR. Stockholm University, Sweden, and University of Wisconsin-Eau Claire. Integrating megaspore morphology and molecular phylogeny in Selaginella.

36-16 PALMIERI, MARIA* and LUCINDA J. SWATZELL. Southeast Missouri State University, Cape Girardeau. Presence of VA mycorrhizae in the sporophytes of Cheilanthes feei and Cheilanthes lanosa.

36-17 SWATZELL, LUCINDA J.*, SARAH L. NONDORF, and MARIA PALMIERI. Southeast Missouri State University, Cape Girardeau. Effects of light intensity, light quality, and temperature on Cheilanthes feei spore germination.


36-18 Healy, John* and Nelson D. YounG. Trinity University, San Antonio TX. A new computer program, GapCoder allows inclusion of indels as characters in phylogenetic analysis.

36-19 Lindemuth, Ralf*, Nora Wirtz, Imke Schmitt, and H. Thorsten Lumbsch. Universitaet Essen, Germany. Evolution of filamentous Ascomycetes inferred from multiple-gene-analyses.

36-20 Bogler, David J.1,2*, Alexandra Marraccini1, and Javier Francisco-Ortega1,2. 1Fairchild Tropical Garden, Miami, FL; 2Florida International University, Miami. Molecular systematic studies of cycads (Cycadales): initial results based on chloroplast DNA gene spacers, ITS rDNA sequences, and DNA fingerprinting.

36-21 Gonzalez, Dolores* and Andrew P. Vovides. Instituto de Ecologia, Xalapa Veracruz, Mexico. Low interspecific divergence in the genus Ceratozamia (Zamiaceae) detected with nuclear ribosomal DNA ITS, and chloroplast DNA trnL-F non-coding region as indication of recent speciation.

36-22 Wright, Wesley A., Margaret Cox, and Christopher S. Campbell.* University of Maine, Orono. Internal transcribed spacer 1 (ITS1) in Picea (Pinaceae): structure and sequence divergence.

36-23 Won, Hyosig* and Susanne S. Renner. University of Missouri, St. Louis. Towards a phylogeny of Gnetum: first results from rbcL, Leafy, and ITS sequences.

36-24 Prince, Linda M.* and W. John Kress. Smithsonian Institution, Washington, DC. Species boundaries in Canna (Cannaceae): evidence from nuclear ITS DNA sequence data.

36-25 Bharathan, G.1*, L. Raz2, and P. Wilkin3. 1State University of New York, Stony Brook; 2New York University, New York; 3Royal Botanic Gardens, Kew, United Kingdom. The true yams, Dioscorea (Dioscoreaceae): phylogenetic analysis of chloroplast nucleotide sequences.

36-26 Riggs, Erin L.* and Carol A. Wilson. Portland State University, OR. A phenetic study of the Iris hartwegii complex (Iridaceae) based on RAPD's and morphological data.

36-27 Gross, Briana*, Kari Rollenhagen, Jamie Mellor, and Susan Kephart. Willamette University, Salem, OR. Species boundaries in Camassia: analysis of a putative hybrid zone.

36-28 Zomlefer, Wendy B.1*, Norris H. Williams2, W. Mark Whitten2, and Walter S. Judd2. 1University of Georgia, Athens, GA; 2University of Florida, Gainesville. The genera of Melanthieae (Liliales, Melanthiaceae): circumscription and relationships based on ITS and trnL-F sequence data.

36-29 Carlsward, Barbara S.* and W. Mark Whitten. University of Florida, Gainesville. Molecular systematics of leafless Vandeae (Orchidaceae): an example from tropical America.

36-30 Blattner, Frank R. IPK, Gatersleben, Germany. Tracing allopolyploid speciation in Hordeum.

36-31 Torrecilla, Pedro*, Jose Angel Lopez-Rodriguez, and Pilar Catalan. University of Zaragoza, Spain. Phylogenetic signal of structural characters on Festuca sensu lato (Poaceae, Poeae).

36-32 Kim, Sangtae*, Chong-Wook Park, and Youngbae Suh. Seoul National University, Korea. Taxonomic revision of Magnolia section Maingola Dandy (Magnoliaceae) and the multivariate analysis of Magnolia macklottii complex.

36-33 Kim, Sangtae1*, Douglas, E. Soltis2, Pamela, S. Soltis2, Youngbae Suh1, and Michael Zanis3. 1Seoul National University, Korea; 2University of Florida, Gainesville; 3Washington State University, Pullman. Phylogeny of early-diverging eudicots based on multiple genes: rbcL, atpB, 18S and 26S rDNA sequences.

36-34 Lim, Chae Eun* and Chong-Wook Park. Seoul National University, Korea. Hybridization in Aconitum subgenus Aconitum (Ranunculaceae) at Mt. Sobaek in Korea inferred from morphology and flavonoid chemistry.

36-35 Yoo, Mi-Jeong* and Chong-Wook Park. Seoul National University, Korea. Molecular phylogeny of Polygonum sect. Echinocaulon (Polygonaceae) based on chloroplast and nuclear DNA sequences.

36-36 Arias, Salvador1*, Teresa Terrazas2, and Kenneth M. Cameron3. 1Universidad Nacional Autonoma de Mexico, Mexico D.F.; 2Colegio de Postgraduados, Montecillo, Estado de Mexico; 3The New York Botanical Garden, Bronx. Phylogeny of Pachycereus (Cactaceae) based in molecular data.

36-37 Carpenter, K. J.* and G. L. Webster. University of California Davis, Davis. Evolution of pollen diversity in neotropical Phyllanthus (Euphorbiaceae).

36-38 Park, Seon-Joo and Ki-Joong Kim.* Yeungnam University, Korea. Sectional relationship Hypericum (Clusiaceae) based on the molecular data.

36-39 Porter-Utley, Kristen1*, Walter Judd1, John MacDougal2, Mark Whitten1, and Norris Williams1. 1University of Florida, Gainesville; 2Missouri Botanical Garden, St. Louis. Phylogenetic relationships within Passiflora L. section Cieca Mast. (Passifloraceae) based on morphological and molecular evidence.

36-40 Weeks, Andrea*, Leah Larkin, and Beryl B. Simpson. University of Texas, Austin. A chloroplast DNA molecular study of the phylogenetic relationships of members of the Caesalpinia group (Caesalpinieae: Caesalpinioideae: Fabaceae).

36-41 Alexander, J. Andrew* and Aaron Liston. Oregon State University, Corvallis. Tests of recombinant speciation in Astragalus.

36-42 Polans, Neil O.*, Jeffery A. Nelson, Dana R. Kurpius, and Dayle E. Saar. Northern Illinois University, DeKalb. A phylogenetic study of pea.

36-43 Lee, Sangtae*, Meekyoung Kang, and Chunghee Lee. Sungkyunkwan University, Suwon Korea. A palynotaxonomic study of the genus Filipendula Adans. (Rosaceae).

36-44 Bunsawat, Jiranan* and Lawrence A. Alice. Western Kentucky University, Bowling Green. Molecular characterization and phylogenetic utility of nrDNA ETS sequences in Rubus (Rosaceae).

36-45 Clement, Wendy L.1*, Laura L. Forrest2, and Susan M. SwenseN1. 1Ithaca College, Ithaca NY; 2Royal Botanic Garden Edinburgh, United Kingdom. Phylogenetic placement of Hillebrandia sandwichensis (Begoniaceae).

36-46 Cannon, Charles 1,2* and Paul Manos1. 1Duke University, Durham, NC; 2 University of Malaysia, Sarawak, Kota Samarahan. The use of morphometric shape descriptors in relation to an independent molecular phylogeny: the case of fruit type evolution in Bornean Lithocarpus (Fagaceae).

36-47 Brown, Gregory K.* and Dorothy E. Tuthill. University of Wyoming, Laramie. Inter-simple sequence repeat (ISSR) variation in three populations of Gaura neomexicana ssp. coloradensis (Onagraceae).

36-48 Hall, Paula M.*, Timothy K. Lowrey, and Diane L. Marshall. University of New Mexico, Albuquerque. Phylogenetic relationship and breeding system evolution in Callirhoe (Malvaceae).

36-49 Slotta, Tracey A. Bodo* and Duncan Porter. Virginia Polytechnic Institute and State University, Blacksburg. ITS phylogeny of Iliamna (Malvaceae) and related genera.

36-50 Hu, Jer-Ming*, Nicole M. Maturen, and Michael W. Frohlich. University of Michigan, Ann Arbor. Studies of evolution and development of petaloid bracts in dogwoods (Cornus).

36-51 Li, Jianhua1,2,3*, Peter Del Tredici1, Shixiong Yang4, and Michael J. Donoghue5. 1Arnold Arboretum of Harvard University, Jamaica Plain, MA; 2University of New Hampshire, Durham; 3University of Maine, Orono; 4Academia Sinica, Kunming, Yunnan, China; 5Yale University, New Haven, CT. Phylogenetic relationships and biogeography of Stewartia (Camellioideae, Theaceae) inferred from nuclear ribosomal DNA ITS sequences.

36-52 Holt, Katherine1*, Leigh A. Johnson1, J. Mark Porter2, and John S. Gardner1. 1Brigham Young University, Provo, UT; 2Rancho Santa Ana Botanic Garden, Claremont, CA. External seed coat morphology of Gilia (Polemoniaceae) and segregate genera: comparison and correspondence with phylogenetic relationships.

36-53 Li, Jianhua1,2,3*, John H. Alexander III1, Tom Ward1, Peter Del Tredici1, and Rob Nicholson4. 1Arnold Arboretum of Harvard University, Jamaica Plain, MA; 2University of New Hampshire, Durham; 3University of Maine, Orono; 4Smith College Botanic Garden, Northampton, MA. Phylogeny and biogeography of the Empetraceae based on sequences of nuclear and chloroplast genes.

36-54 Stanford, Alice M.*, Laurel Royer, Charmaine Bellot, Loi'y Mustafa, and Nachet Williams. University of the Virgin Islands, St. Thomas. Genetic diversity of a rare Virgin Islands' endemic, Solanum conocarpum (Solanaceae).

36-55 Huysmans, Suzy1*, Steven Dessein1, Steven Jansen1, Frederic Lens1, Stefan Vinckier1, Frederic Piesschaert1, Petra De Block2, Koen Es2, Marcel Verhaegen2, Piet Stoffelen2, Elmar Robbrecht2, and Erik Smets1. 1Institute of Botany and Microbiology, K.U. Leuven, Belgium; 2National Botanic Garden of Belgium, Meise. Pollen morphological variation in Rubiaceae: a portrait.

36-56 Cortes, Rocio*, Piero G. DelpretE, and Timothy J. Motley. The New York Botanical Garden, Bronx. Systematics of Retiniphyllum (Rubiaceae).

36-57 Li, Jianhua1,2,3*, John H. Alexander III1, and Donglin Zhang2. 1Arnold Arboretum of Harvard University, Jamaica Plain, MA; 2University of Maine, Orono; 3University of New Hampshire, Durham. The genus Syringa (Oleaceae) is paraphyletic: evidence from sequences of nuclear ribosomal DNA ITS and ETS regions.

36-58 Grose, Susan O.* and Richard G. Olmstead. University of Washington, Seattle. Phylogenetic analysis of Crescentieae and Tabebuia s.l. (Bignoniaceae).

36-59 Randle, Christopher P.* and Andrea D. Wolfe. Ohio State University, Columbus. Molecular evolution of photosynthetic genes in holoparasites Harveya Hook. and Hyobanche L. (Orobanchaceae).

36-60 Pyck, Nancy* and Erik Smets. Institute of Botany and Microbiology, K.U.Leuven, Belgium. Dipsacales phylogeny: combining chloroplast sequences with morphological evidence.

36-61 Trusty, Jennifer L.1*, Arnoldo Santos-Guerra2, Tortsten Eriksson3, and Javier Francisco-Ortega1. 1Florida International University, Miami and Fairchild Tropical Garden, Miami FL; 2Jardín de Aclimatación de La Orotava, Tenerife, Canary Islands, Spain; 3Bergianska Stiftelsen Kungliga Vetenskapsakademien, Stockholm, Sweden. Biodiversity, conservation and molecular phylogenies in the laurel forest of the Canary Islands: the case of a critically endangered taxon of Sambucus.

36-62 Lee, Byoung-Yoon* and Chong-Wook Park. Seoul National University, Korea. A phylogeny of family Apiaceae genus Daucus derived from morphological characters: preliminary investigations.

36-63 Vu, Ninh Viet1*, Gregory M. Plunkett1, and Porter P. Lowry II2. 1Virginia Commonwealth University, Richmond; 2Missouri Botanical Garden, St. Louis. Phylogenetic study of Madagascan Polyscias and close relatives in the ginseng family (Araliaceae).

36-64 Andrus, Nicole. Florida International University, Miami and Fairchild Tropical Garden, Coral Gables, FL. Molecular evidence for a potential biogeographical connection between the Canary Islands and the Island of Socotra.

36-65 Karaman, Vesna* and Lowell E. Urbatsch. Louisiana State University, Baton Rouge. Phylogenetic analysis of Boltonia (Astereae, Asteraceae) based on nr ETS and ITS sequence data.

36-66 Beck, James B.1*, Guy L. Nesom2, PatricK J. Calie3, Gary I. Baird4, Randy L. Small5, and Edward E. Schilling5. 1Washington University, St. Louis, MO; 2Botanical Research Institute of Texas, Fort Worth; 3Eastern Kentucky University, Richmond; 4Brigham Young University, Provo, UT; 5University of Tennessee, Knoxville. Overview of subtribe Solidagininae (Asteraceae: Astereae).

36-67 Koukol, Scott R.* and Curtis Clark. California State Polytechnic University, Pomona; Rancho Santa Ana Botanic Garden, Claremont, CA. Comparative anatomy of the leaves and stems of Encelia (Asteraceae: Heliantheae).

CONTRIBUTED POSTERS: Developmental and Structural Section, BSA –

36-68 HOU, GUI-CHUAN*, JEFFREY P. HILL, LAURENS H. JR. SMITH, and BECKY A. NIELD. Idaho State University, Pocatello. Molecular genetic studies of root development in fern Ceratopteris richardii.

36-69 HEALY, R.A., C.R. BRONSON, and H.T. HORNER.* Iowa State University, Ames. Visualization of the extracellular matrix of the pathogenic fungus Cochliobolus heterostrophus.

36-70 SKALSKY, JEANNIE* and MANOJ MISTRY. Texas A&M University, College Station. Fractal analysis of leaf edges.

36-71 STRITTMATTER, LARA* and VIVIAN NEGRON-ORTIZ. Miami University, Oxford, OH. Consolea corallicola (Cactaceae): a sexually dimorphic species with only one morph remaining?

36-72 KIRCHOFF, BRUCE*, TAM LE, ALLYSON PREVETTE, SONJA CAUBLE, ELIZABETH SHELTON, and KIMBERLY HAMLET. University of North Carolina, Greensboro. Early floral development in Musa velutina (Musaceae).

36-73 VOLSKAY, ALLENA R.* and TIMOTHY P. HOLTSFORD. University of Missouri, Columbia. Morphogenesis of Key Floral Traits in Nicotiana Section Alatae.

36-74 POSLUSZNY, USHER1* and JEAN, M. GERRATH2. 1University of Guelph, Guelph Ontario, Canada; 2University of Northern Iowa, Cedar Falls. Floral morphology and development in Rhoicissus digitata (Vitaceae).

36-75 JANA, BALARAM1*, NABARUN GHOSH2, A. CHATTERJEE1, and DON W. SMITH3. 1University of Calcutta, India; 2West Texas A&M University, Canyon; and 3University of North Texas, Denton. Effect of arsenicum album (arsenious oxide, As2O3), a homoeopathic drug as a potential mutagen on Corchorus olitorius l. (jute).

CONTRIBUTED POSTERS: Ecological Section, BSA –

36-76 CALLAHAN, PRISCILLA H.,* BRUCE HOAGLAND, and PHILLIP T. CRAWFORD. University of Oklahoma, Norman. The effects of mesquite (Prosopis glandulosa) encroachment on species diversity and composition of a mixed grass prairie.

36-77 CARRERO, GLORYVEE,1* and DUANE KOLTERMAN2. 1PO Box 3210, Lajas, PR and 2University of PR, Mayaguez. Population ecology of the endangered Buxus vahlii Baillon (Buxaceae).

36-78 JOHNSON, MONICA L., * DAVID A. TAIT, and LOREEN ALLPHIN. Brigham Young University, Provo, UT. Ecological and genetic diversity in Draba burkei sp. nov. (Brassicaceae), a critically imperiled taxon.

36-79 TIDWELL, LEITH * and MARK BRUNSON. Utah State University, Logan. Community-based management of invasive plants: applying social research and education to an ecological problem.

36-80 MORRIS, ASHLEY B. University of Florida, Gainesville. Assessing the potential for genetic resistance to beech bark disease in Fagus grandifolia Ehrh. (Fagaceae).

36-81 NORTH, GRETCHEN B., 1* PIERRE MARTRE2, EDWARD G. BOBICH2, and PARK S. NOBEL2. 1Occidental College, Los Angeles, CA and 2University of California, Los Angeles. Roots and rocks: how soil rockiness affects shoot and root growth, root distribution, and other root properties for two desert species, Agave deserti (Agavaceae) and Pleuraphis rigida (Poaceae).

36-82 YARNES, CHRISTOPHER T.,* and WILLIAM J BOECKLEN. New Mexico State University, Las Cruces. Foliar chemistry variation in Quercus gambelii Nutt.: bottom-up cascade within a trophic system.

36-83 VOLIS, S.,* S. MENDLINGER, and D. WARD. Ben Gurion University, Beer Sheva, Israel. Tests for adaptive RAPD and allozyme variation in population genetic structure of wild barley, Hordeum spontaneum Koch.

36-84 BINGHAM, ROBIN A.,* and NANCY D. COHEN. Western State College, Gunnison, CO. Flowering, reproduction, and kleptoparasitism in an extreme southern disjunct population of Drosera rotundifolia.

36-85 LEVERICH, W. J.,* JESÚS M. DESANTIAGO, and PHUONG JULIE NGUYEN. Saint Louis University, MO. Inequality in individual plant reproductive performance.

36-86 COOPER, CLIFTON E.,1* SEAN C. THOMAS2, and WILLIAM E. WINNER1. 1Oregon State University, Corvallis and 2University of Toronto, Canada. Gas exchange behavior of old-growth conifer foliage in the Pacific Northwest.

36-87 ECCLES, CHRIS * and DARREN R. SANDQUIST. California State University, Fullerton. Temperature acclimation of photosynthesis in four populations of the desert shrub Encelia farinosa.

36-88 STOVER, DANIEL B.* and KEITH GARBUTT. West Virginia University, Morgantown. Fitness of clonal genotypes of Juncus effusus L. in differing nutrient regimes.

36-89 WEINIG, CYNTHIA,* and JOHANNA SCHMITT. Brown University, Providence, RI. Antagonistic selection in complex environments: adaptive plasticity to UV vs. competition.

36-90 KACZOROWSKI, RAINEE,* and TIM HOLTSFORD. UMC, Columbia, MO. Are nectar traits associated with pollination syndrome in wild tobaccos (Nicotiana, Solanaceae)?

36-91 SMITH-HUERTA., NANCY L.,* and M. BARBARA NEMETH. Miami University, Oxford OH. Pollen grain deposition, pollen competition, and progeny vigor in a natural population of Clarkia unguiculata (Onagraceae).

36-92 WIGGAM-HARPER, SHELLY D.,* and CAROLYN J. FERGUSON. Kansas State University, Manhattan, KS. Pollination biology of Phlox divaricata L. (Polemoniaceae): visitation, pollen threshold, and mating system in a Central Plains population.

36-93 BEACH, SHANNON E.,1* JANICE M. COONS1, HENRY R. OWEN2, BRENT L. TODD2, and MARY ANN L. SMITH1. 1University of Illinois, Urbana and 2Eastern Illinois University, Charleston. Comparison of seed production and germination in three distinct colonies of Lesquerella ludoviciana.

CONTRIBUTED POSTERS: Economic Botany Section, BSA –

36-94 DA SILVA, JAIME A.T. Ereganto Haitsu, Kagawa-ken, Japan. Chrysanthemums: balancing revenue and culture through novel biotechnology.

36-95 FAYVUSH, GEORGE. Institute of Botany, Yerevan,Armenia. Agrobiodiversity of Armenia.

36-96 JOHNSON, SUSANNAH. B. New Mexico State University, Las Cruces.. An ethnobotanical study in Tamil Nadu, India, of Phoenix humilis and Borassus flabellifer (Arecaceae), focusing on their combined use in the construction of brooms.

36-97 TAMANYAN, KAMILLA. Institute of Botany, Yerevan, Armenia. Sustainable use and conservation of useful plants in Armenia.


36-98 BOGDANOVA, ELIZAVETA DMITRIEVNA*and KARINA KHAMIDOVNA MAKHMUDOVA. Institute of Plant Physiology, Genetics and Bioengineering, Almaty, Kazakhstan. Mutations with nonstandard spike in wheat (Triticum aestivum L.).

36-99 BOGDANOVA, ELIZAVETA DMITRIEVNA*; KIRILL L'VOVICH GOSTENKO; and KARINA KHAMIDOVNA MAKHMUDOVA. Institute of Plant Physiology, Genetics and Bioengineering, Almaty, Kazakhstan. Breeding of varieties free from gene of hybrid necrosis.

36-100 GARDNER, KEITH A.*; STUART J.E. BAIRD; SHANNA E. CARNEY; LOREN H. RIESEBERG. Indiana University, Bloomington. A comparison of different molecular and morphological markers for hybrid index estimation in a natural hybrid zone.

36-101 HARTER, A.V.*; ALLEN HWANG; and LOREN H. RIESEBERG. Indiana University, Bloomington. A microsatellite investigation into the origin(s) of cultivated sunflowers.

36-102 HAUBER, DONALD P. Loyola University, New Orleans, LA. Synaptonemal complex formation in diploid Tradescantia ohiensis.

36-103 KHAILENKO, NINA ALEXANDROVNA. Institute of Plant Physiology, Genetics and Bioengineering, Almaty, Kazakhstan. Male sterility at interspecific hybrids winter soft wheat at crossing it with species Triticum kiharae Dorof. et Migush. and Triticum dicoccum Shuebl.

36-104 KHAILENKO, NINA ALEXANDROVNA and VLADIMIR ALEKSEEVICH KHAILENKO*. Institute of Plant Physiology, Genetics and Bioengineering, Almaty, Kazakhstan. Interspecific crossings in genetics investigations of common wheat.

36-105 LEXER, CHRISTIAN*; MARK WELCH; OLIVIER RAYMOND; and LOREN H. RIESEBERG. Indiana University, Bloomington. Toward understanding the role of transgressive segregation in adaptation.

36-106 LIU, XIANAN1*; EL-SAYED HASSANEIN2; AHMED BALHEIDIN2; MOHAMED EL-DOMYATI2; SHERIF EDRIS2; and WM. VANCE BAIRD1. 1Clemson University, Clemson, SC and 2Ain Shams University, Cairo, Egypt. Cloning and characterization of guanylate kinase from sunflower Helianthus annuus L.

36-107 SCHWARZBACH, ANDREA E.1*; LISA A. DONOVAN2; DAVID M. ROSENTHAL2; and LOREN H. RIESEBERG3. 1Kent State University, OH, 2University of Georgia, Athens and 3Indiana University, Bloomington. The role of transgressive segregation in hybrid speciation: an example from sunflowers.

36-108 SEGARRA, JOSE GABRIEL* and PILAR CATALAN. University of Zaragoza, Spain. Comparative allozyme and RAPD genetic studies on the endemic Borderea chouardii and on its congener B. pyrenaica.

36-109 THORNTON, HANNAH E.1,2*; CYNTHIA LANE2; and JAVIER FRANCISCO-ORTEGA 1,2. 1Florida International University, Miami and 2Fairchild Tropical Garden, Miami, FL. Genetic variation in fragmented populations of an endangered dune plant: implications for its conservation.

36-110 VISION, TODD J.1*; DANIEL G. BROWN2; and STEVEN D. TANKSLEY3. 1USDA-ARS Center for Agricultural Bioinformatics, Ithaca, NY, 2University of Waterloo and 3Cornell University, Ithaca, NY. Ancient genome duplications in the angiosperms: lessons from Arabidopsis.

CONTRIBUTED POSTERS: Paleobotanical Section, BSA –

36-111 BOYCE, C. KEVIN1*, ANDREW H. KNOLL1, GEORGE D. CODY2, MARILYN L. FOGEL2, and ROBERT M. HAZEN2. 1Harvard Botanical Museum, Cambridge MA; 2Carnegie Institution of Washington., Washington DC. The evolution of tracheids and lignification in early land plants.

36-112 HANSEN, AMANDA, L.* and KATHLEEN, B. PIGG. Arizona State University, Tempe. Taxodiaceous conifers from the Middle Miocene Yakima Canyon flora, Washington State, USA.

36-113 HENRY, APRIL M.* and KATHLEEN B. PIGG. Arizona State University, Tempe. Hamamelidaceous infructescences from the Late Paleocene Almont, North Dakota flora.

36-114 McKOWN, ATHENA D.*, RUTH A. STOCKEY, and CHARLES E. SCHWEGER. University of Alberta, Edmonton, Alberta, Canada. A new species of Pinus, Subgenus Pinus, Subsection Contortae based on fossil cones from Ch'ijee's Bluff, Yukon Territory, Canada.

36-115 RADTKE, MEGHAN G.1*, KATHLEEN B. PIGG1, and WESLEY WEHR2. 1Arizona State University, Tempe; 2 Burke Museum of Natural History and Culture, University of Washington, Seattle. Fossil Corylopsis and other Hamamelidaceae-like leaves from the Middle Eocene flora of Republic, Washington, USA.

36-116 TCHEREPOVA, MARIA* and KATHLEEN B. PIGG. Arizona State University, Tempe. Permineralized Nyssa (Cornaceae) and additional endocarps of uncertain affinity from the Middle Miocene Yakima Canyon flora, Washington State, USA.

36-117 TIDWELL, WILLIAM D.1*, LEITH S. TIDWELL2, WALT WRIGHT3, and ULRICH DERNBACH4. 1 Brigham Young University, Provo, UT; 2Utah State University, Logan; 3Brea, CA; 4Heppenheim, Germany. Tempskya sp. from Neuquén, Argentina, the first Tempskya species reported from the Southern Hemisphere.

CONTRIBUTED POSTERS: Phycological Section, BSA –

36-118 CHAPMAN, RUSSELL L.1*, JUAN M. LOPEZ-BAUTISTA2, SUZANNE FREDERICQ2, and DEBRA A. WATERS1. 1Louisiana State University, Baton Rouge, and 2University of Louisiana at Lafayette. The biotech potential of algae colonizing oil rigs in the Gulf of Mexico: risks and rewards.

CONTRIBUTED POSTERS: Physiological Section, BSA –

36-119 THYGERSON, TONYA* 1, BRUCE N. SMITH1, D. TERRANCE BOOTH1, AND LEE D. HANSEN2. 1Brigham Young University, Provo, UT and 2USDA-ARS, Cheyenne, WY. Microcalorimetric studies on winterfat, Eurotia lanata, metabolism in response to temperature.

36-120 WALKER, JILLIAN LEIGH* 1, T. THYGERSON1, BRUCE SMITH1, LEE HANSEN1, R. CRIDDLE1, and ROSEMARY PENDLETON2. 1Brigham Young University, Provo, UT ,2Forestry Sciences Laboratory, Albuquerque, NM. Calorimetric studies of desert soil crust metabolism in response to temperature and water.

36-121 MATHESON, TAINA. Brigham Young University, Provo, UT. Metabolic adaptation of plants to growth season temperature and temperature range along an altitudinal gradient.

36-122 JONES, CLAYTON A. Brigham Young University, Provo, UT. Isotope ratio mass spectroscopy: a powerful tool for analyzing the respective contributions of environment and inheritance in plant growth.

36-123 LOPEZ-SANTILLAN, JOSE ALBERTO1, ALFREDO J HUERTA* 2, and SERGIO CASTRO-NAVA1. 1UAM Agronomia y Ciencias - UAT, CU Victoria, Cd. Victoria, Tam. Mexico and 2Miami University, Oxford, OH. Epicuticular leaf wax load on isogenic lines of sorghum (Sorghum bicolor L. Moench) and its contribution to water stress resistance.

36-124 MCDERMOTT, MATTHEW and DOUGLAS W. DARNOWSKI*. Washington College, Chestertown, MD. Analysis of growth requirements of locally rare bladderworts (Utricularia spp.; Lentibulariaceae).

CONTRIBUTED POSTERS: Phytochemical Section BSA –

36-125 KURCHII, B. A. Institute of Plant Physiology and Genetics, Kiev, Ukraine. (+S)-ABA) and (-R)-ABA are the final products from the oxidative cleavage of cartenoids.

1:15 PM - 5:45 PM ACC, 205-San Miguel

CONTRIBUTED PAPERS: ASPT / IOPB / Systematics Section, BSA – Asteraceae II and Deep Achene: The Compositae Alliance discussion

Presiding: JOSE L. PANERO, Section of Integrative Biology, University of Texas, Austin, TX 78712. Tele: 512-232-1990, E-mail: panero@mail.utexas.edu.

1:15 37-1 Andrus, Nicole1,2*, David Bogler2, Alan Tye3, Gerald Guala2, and Javier Francisco-Ortega1,2. 1Florida International University, Miami; 2Fairchild Tropical Garden, Coral Gables, FL; 3Charles Darwin Research Station, Santa Cruz, Galapagos Islands, Ecuador. Preliminary molecular evidence for the origin of Darwiniothamnus (Asteraceae).

1:30 37-2 Brouillet, Luc1*, Geraldine A. Allen2, John C. Semple3, and Motomi Ito4. 1Universite de Montreal, Quebec, Canada; 2University of Victoria, British Columbia, Canada; 3University of Waterloo, Ontario, Canada; 4University of Tokyo, Japan. ITS phylogeny of North American asters (Asteraceae: Astereae).

1:45 37-3 Beck, James B.1, Robert F. C. Naczi2*, and Patrick J. Calie3. 1Washington University, St. Louis, MO; 2Northern Kentucky University, Highland Heights; 3Eastern Kentucky University, Richmond. Lectotypification of the endangered species Solidago shortii (Asteraceae).

2:00 37-4 Beck, James B.1, Robert F. C. Naczi2*, and Patrick J. Calie3. 1Washington University, St. Louis, MO; 2Northern Kentucky University, Highland Heights; 3Eastern Kentucky University, Richmond. Morphometrics of Solidago shortii, an endangered goldenrod from Kentucky (Asteraceae).

2:15 37-5 Schilling, Edward E.* and Patricia B. Cox. University of Tennessee, Knoxville. Systematic analysis of Liatrinae (Asteraceae).

2:30 37-6 Saar, Dayle E. and Melvin R. Duvall.* Northern Illinois University, DeKalb. Do nuclear and plastid loci in Asteraceae show substantial incongruence? A preliminary intertribal phylogenetic study of Heliantheae s. l.

2:45 37-7 Saar, Dayle E.*, Neil O. Polans, Melvin R. Duvall, and Paul D. Sørensen. Northern Illinois University, DeKalb. A phylogenetic analysis of Dahlia (Asteraceae).

3:00 BREAK

3:15 37-8 Urbatsch, Lowell1*, Patricia Cox2, and Richard Ruth1. 1Louisiana State University, Baton Rouge; 2University of Tennessee, Knoxville. Is Rudbeckia heterophylla (Asteraceae, Heliantheae) a central Florida endemic of "ancient" hybrid origin?

3:30 37-9 Chan, Raymund*, Bruce G. Baldwin, and Robert Ornduff. University of California, Berkeley. Cryptic diversity in the goldfield Lasthenia californica sensu lato (Compositae: Heliantheae sensu lato).

3:45 37-10 Crawford, Daniel J.*, Rebecca T. Kimball, and Mesfin Tadesse. The Ohio State University, Columbus. Relationships in subtribe Coreopsidinae (Asteraceae: Heliantheae): insights from ITS sequences.

4:00 37-11 Panero, Jose L.1*, Bruce G. Baldwin2, Edward E. Schilling3, and Jennifer A. Clevinger4. 1University of Texas, Austin; 2University of California, Berkeley; 3University of Tennessee, Knoxville; 4James Madison University, Harrisonburg, VA. Molecular phylogenetic studies of members of tribes Helenieae, Heliantheae, and Eupatorieae (Asteraceae). 1. Introduction.

4:15 37-12 Panero, Jose L.1*, Bruce G. Baldwin2, Edward E. Schilling3, and Jennifer A. Clevinger4. 1University of Texas, Austin; 2University of California, Berkeley; 3University of Tennessee, Knoxville; 4James Madison University, Harrisonburg, VA. Molecular phylogenetic studies of members of tribes Helenieae, Heliantheae, and Eupatorieae (Asteraceae). 2. Tribal/generic relationships.

4:30 37-13 Panero, Jose L.1*, Bruce G. Baldwin2, Edward E. Schilling3, and Jennifer A. Clevinger4. 1University of Texas, Austin; 2University of California, Berkeley; 3University of Tennessee, Knoxville; 4James Madison University, Harrisonburg, VA. Molecular phylogenetic studies of members of tribes Helenieae, Heliantheae, and Eupatorieae (Asteraceae). 3. General systematics and proposed taxonomic changes in current classification.

4:45 DISCUSSION – Deep Achene: The Compositae Alliance.

2:00 PM - 4:30 PM ACC, 215-Mesilla

COLLOQUIUM: ASPT – Evolution, biogeography, and systematics of Begoniaceae

Organized by: SUSAN SWENSEN, Department of Biology, Ithaca College, Ithaca, NY 14850. Tele: 607-274-3511, E-mail: sswensen@ithaca.edu; and MARK TEBBITT, Brooklyn Botanic Garden, Science Department, 1000 Washington Avenue, Brooklyn, NY 11225. Tele: 718-623-7319, E-mail: marktebbitt@bbg.org.

Presiding: SUSAN SWENSEN, Ithaca College, Ithaca, NY.

2:00 38-1 Swensen, SUSAN. Ithaca College, Ithaca NY. Introduction to the Begoniaceae Colloquium.

2:15 38-2 Forrest, LAURA* and PETER M. HOLLINGSWORTH. Royal Botanic Garden, Edinburgh, United Kingdom. Phylogeny of Begonia.

2:30 38-3 Brouillet, LUC. University of Montreal, Quebec, Canada. Begoniaceae and the Cucurbitales: a morphological phylogenetic analysis.

2:45 38-4 Plana, VANESSA. Royal Botanic Garden, Edinburgh, UK. Morphological and molecular systematics of the Afro-Madagascan fleshy-fruited Begonia.

3:00 BREAK

3:15 38-5 Tebbitt, MARK1*, Laura l. forrest2, w. scott hoover3 and susan swensen4. 1Brooklyn Botanic Garden, Brooklyn, NY; 2Royal Botanic Garden, Edinburgh, United Kingdom; 3New England Tropical Conservatory, MA; 4Ithaca College, Ithaca, NY. Relationships of fleshy fruited Asiatic Begonia (Begoniaceae) based on ITS sequence data and restriction site mapping of PCR amplified chloroplast and mitochondrial fragments.

3:30 38-6 Hughes, MARK*, Peter M. hollingsworth, and tony miller. Royal Botanic Garden, Edinburgh, UK. Gene flow and speciation in Begonia.

3:45 38-7 Swensen, SUSAN1*, wendy clement1, laura l. forrest2, and mark tebbitt3. 1Ithaca College, Ithaca, NY; 2Royal Botanic Garden, Edinburgh, UK; 3Brooklyn Botanic Garden, NY. Hillebrandia sandwichensis: evolutionary relationships and biogeography.

4:00 38-8 Tebbitt, MARK. Brooklyn Botanic Garden, NY. Concluding remarks and discussion.

2:00 PM - 5:00 PM ACC, 103-Galisteo

CONTRIBUTED PAPERS: ASPT / IOPB / Systematics Section, BSA – Commelinid monocots/Hybridization and speciation

Presiding: DANIEL POTTER, Department of Pomology, 1045 Wickson Hall, University of California, One Shields Avenue, Davis, CA 95616. Tele: 530-754-6141, E-mail: dpotter@ucdavis.edu.

2:00 39-1 Graham, Sean W.1*, Donna Cherniawsky2, Vincent L. Biron1, and Hardeep S. Rai1. 1University of Alberta, Edmonton, Canada; 2The Provincial Museum of Alberta, Edmonton, Canada. Commelinoid monocot phylogeny revisited, using a large chloroplast data set.

2:15 39-2 Gardner-Sill, C. S. Georgia Southern Botanical Garden, Statesboro. Characteristics from living flowers improve classification of Tillandsia (Bromeliaceae).

2:30 39-3 Specht, Chelsea D.1,2* and Dennis W. Stevenson2. 1New York University, New York; 2New York Botanical Garden, Bronx. A phylogeny of Costaceae: implications concerning floral morphology.

2:45 39-4 Hardy, Christopher R.1,2*, Jerrold I Davis1, Robert B. Faden3, and Dennis W. Stevenson1,2. 1Cornell University, Ithaca, NY; 2New York Botanical Garden, Bronx; 3Smithsonian Institution, Washington, DC. Phylogenetics of Cochliostema, Geogenanthus, and an undescribed genus (Commelinaceae) using morphology and DNA sequence data from 26S, 5S-NTS, rbcL, and trnL-F loci.

3:00 39-5 Unwin, Matthew M.1,2*, Paulo Takeo Sano2, and Linda E. Watson1. 1Miami University, Oxford, OH; 2Universidade de São Paulo, Brazil. Molecular systematics of the Eriocaulaceae: evidence from chloroplast sequence data.

3:15 39-6 Campbell, Lisa M.1*, Dennis Wm. Stevenson1, Jerrold I Davis2, and Christopher R. Hardy1. 1New York Botanical Garden, Bronx; 2Cornell University, Ithaca, NY. Alternative hypotheses for the systematic placement of Mayaca.

3:30 BREAK

3:45 39-7 Ward, Josephine M.1* and Ilse Breitwieser2. 1University of Canterbury, Christchurch, New Zealand; 2Landcare Research, Lincoln, New Zealand. Intergeneric hybrids in New Zealand Gnaphalieae (Compositae).

4:00 39-8 Lowrey, Timothy K.1*, Richard Whitkus2, Joy Avritt1, and Christopher J. Quinn3. 1University of New Mexico, Albuquerque; 2Sonoma State University, Rohnert Park, CA; 3University of New South Wales, Sydney, Australia. Sex expression, compatibility and crossing relationships in the Vittadinia group (Asteraceae).

4:15 39-9 Griffith, M. Patrick. Rancho Santa Ana Botanic Garden, Claremont, CA. Natural interspecific hybridization in Opuntia of the Northern Chihuahuan desert region.

4:30 39-10 Hardig, T. M.1*, Pamela S. Soltis2, Douglas E. Soltis2, and Ryan B. Hudson1. 1University of Montevallo, Montevallo, AL; 2Washington State University, Pullman. Diploid hybrid speciation in Ceanothus: morphomolecular analysis of two putative hybrid species and their proposed parent species.

4:45 39-11 Potter, Daniel*, Fangyou Gao, Scott Baggett, James R. McKenna, and Gale H. McGranahan. University of California, Davis. Defining the sources of Paradox: DNA sequence markers for North American walnut (Juglans L.) species and hybrids.

2:00 PM - 4:30 PM ACC, 107-Aztec

CONTRIBUTED PAPERS: Ecological Section, BSA – Genetical and physiological ecology

Presiding: JOSEPH C. COLOSI, Biology Department, DeSales University, 2755 Station Avenue, Center Valley, PA 18034. Tele: 610-282-1100 x1288, E-mail: jcc0@desales.edu.

2:00 40-1 CHOESIN, DEVI N.,1* SRI AMNAH S.2, and H. TAUFIKURAHMAN1. 1Institut Teknologi Bandung, Bandung, Indonesia and 2Haluoleo University, Kendari, Indonesia. Ecological aspects of Vaccinium varingiaefolium growing in a stressed volcanic environment.

2:15 40-2 COLOSI, JOSEPH C.,1* JAMES J. REILLY2, and WILLIAM S. CURRAN3. 1DeSales University, Center Valley, PA 2Thomas Jefferson University, Philadelphia, PA and 3Pennsylvania State University, University Park. The spread of herbicide resistance in Chenopodiaum album.

2:30 40-3 CULLEY, THERESA M. University of California, Irvine. Genetic effects of forest fragmentation in woodlot populations of an understory herb, Viola pubescens (Violaceae).

2:45 40-4 DOLAN, REBECCA W.,1* ERIC S. MENGES2, and REBECCA YAHR3. 1Butler University, Indianapolis, IN 2Archbold Biological Station, Lake Placid, FL and 3Duke University, Durham, NC. Genetic variation in Nolina brittoniana, an endemic of the central ridges of Florida.

3:00 BREAK

Presiding: P. DAYANANDAN, Department of Botany, Madras Christian College, Tambaram, India 600059. Tele: (91) 044-2377050, E-mail: annedaya@vsnl.com.

3:15 40-5 LINDER, C. RANDAL,1* BRIAN VANDEN HEUVEL1, and ROBERT B. JACKSON2. 1University of Texas, Austin and 2Duke University, Durham, NC. Making the connection: using DNA fingerprinting to link above- and below-ground plant parts in ecological studies.

3:30 40-6 CARDON, ZOE G.*, LOUISE A LEWIS, and DEBORAH TYSER. University of Connecticut, Storrs. Evolutionary physiology of photosynthesis in desert-dwelling green algae.

3:45 40-7 EULISS. KATY W.* and JEFFREY S. CARMICHAEL. University of North Dakota, Grand Forks. The effects of selenium accumulation in canola (Brassica napus).

4:00 40-8 FIELD, TAYLOR* and N. MICHELE HOLBROOK. Harvard University, Cambridge, MA. Functional physiology of Amborella and 'ITA' plants.

4:15 40-9 SAMSON, N. P. and P. DAYANANDAN.* Madras Christian College, Tambaram, India. Photosynthetic pathways and ecology of Indian grasses.

2:00 PM - 3:15 PM ACC, 207-Ruidoso

CONTRIBUTED PAPERS: Paleobotanical Section, BSA –Phylogeny, ferns, and flowering plants

Presiding: RUTH A. STOCKEY, Department of Biological Sciences, University of Alberta, Edmonton, Alberta T6G 2E9, Canada. Tele: 780-492-5518, E-mail: ruth.stockey@ualberta.ca.

2:00 41-1 DOYLE, JAMES A.*, MICHAEL J. SANDERSON, and SUSANA MAGALLÓN. University of California, Davis. Integrating fossil and molecular data on the age of angiosperms: effects of fossil age constraints and rate smoothing methods.

2:15 41-2 LUPIA, RICHARD. University of Oklahoma, Norman. Megaspore and fern mesofossil floras from the Aptian-Santonian (Cretaceous) of the Atlantic and Gulf Coastal Plains.

2:30 41-3 SMITH, UNA R. Los Alamos National Laboratory, Los Alamos, NM. Systematic analysis of fossil fruits placed in the eurosid II clade.

2:45 41-4 DEVORE, MELANIE L.1*, KATHLEEN B. PIGG2, and STEPHEN J. MOUTON1. 1Georgia College & State University, Milledgeville; 2Arizona State University, Tempe. Permineralized fruit with malvalean affinities from the Late Paleocene Almont Flora, North Dakota.

3:00 41-5 PIGG, K. B.1*, M. L. DEVORE2, D. L. DILCHER3, and D. FREILE4. 1Arizona State University, Tempe; 2Georgia College & State University, Milledgeville; 3Florida Museum of Natural History, Gainesville; Berry College, Mt. Berry, GA. Fagaceous infructescences from the Oligocene Catahoula Formation of Texas.

3:15 41-6 HERENDEEN, PATRICK S.1* and SCOTT WING2. 1George Washington University, Washington DC; 2National Museum of Natural History, Smithsonian Institution, Washington DC. Papilionoid legume fruits and leaves from the Paleocene of northwestern Wyoming.

2:00 PM - 3:30 PM ACC, 101-Brazos

DISCUSSION SESSION: Presidents’ forum: Federal funding for botanical research

Presiding: Patricia G. Gensel, Department of Biology, CB # 3280, University of North Carolina, Chapel Hill, NC 27599-3280. Tele: 919-962-6937, E-mail: pgensel@bio.unc.edu.

Panel members include society representatives and program officers from the National Science Foundation (NSF).

2:30 PM - 4:45 PM ACC, 111-Cimarron

CONTRIBUTED PAPERS: ABLS / Bryological Section, BSA –Lichen biology

Presiding: DIANNE FAHSELT, Department of Plant Sciences, University of Western Ontario, London, Ontario N6A 5B7, Canada. Tele: 519-661-2111 x86480, E-mail: dfahselt@uwo.ca.

2:30 42-1 PETERSON, ERIC B.* and PETER NEITLICH. Nevada Natural Heritage Program, Carson City. Lichen communities, pollution signals, and an issue of scale.

2:45 42-2 ST. CLAIR, SAMUEL B.*, LARRY L. ST. CLAIR, NOLAN F. MANGELSON, DARRELL J. WEBER and ALAN WHALON. Pennsylvania State University, State College. Using Cu/Zn rations in lichens to determine anthropomorphic sources of copper pollution.

3:00 42-3 SAVILLO, ISIDRO. Iloilo State College of Fisheries, Barotac Nuevo, Philippines. Growth of lichens on palm trees.

3:15 42-4 LAWREY, JAMES D.*, PAUL DIEDERICH and PAULA T. DePRIEST. George Mason University, Fairfax, VA. Genetic differentiation among populations of the widespread lichenicolous fungus Marchandiomyces corallinus.

3:30 BREAK

Presiding: ERIC B. PETERSON, Nevada Natural Heritage Program, 1550 E. College Pkwy #145, Carson City, NV 89706. Tele: 775-687-4245, E-mail: ecomodeler@yahoo.com.

3:45 42-5 SELVA, STEVEN B. University of Maine, Fort Kent. Coniocybe gracilescens and Sphinctrinas with 2-celled spores.

4:00 42-6 FAHSELT, DIANNE. University of Western Ontario, London, ON, Canada. Detection of pigments in specimens of recent and subfossil Umbilicaria from north Greenland.

4:15 42-7 PETERSON, ERIC B. Nevada Natural Heritage Program, Carson City. Tour of a lichenological black-hole (Nevada).

4:30 42-8 BRODO, IRWIN M. Canadian Museum of Nature, Ottawa, ON, Canada. Patterns of distribution for North American lichens.

3:30 PM-4:30 PM ACC, 207-Ruidoso
BUSINESS MEETING: Paleobotanical Section, BSA

Presiding: KATHLEEN PIGG, Department of Plant Biology, Arizona State University, Box 871601, Tempe, AZ 85287-1601. Tele: 480-965 3154, E-mail: kpigg@asu.edu.

3:30 PM - 4:30 PM ACC, 209-Pecos

DISCUSSION SESSION: A feeling for the organism

Presiding: Bruce Kirchoff, Department of Biology, P. O. Box 26174, University of North Carolina at Greensboro, Greensboro, NC 27402-6174. Tele: 336-334-4953, E-mail: kirchoff@uncg.edu.

3:30 PM - 4:30 PM ACC, 201-La Cienega

DISCUSSION SESSION: The future of botany at the undergraduate level

Presiding: Gordon E. Uno, Department of Botany and Microbiology, 770 Van Vleet Oval, University of Oklahoma, Norman, OK 73019. Tele: 405-325-6281, E-mail: guno@ou.edu.

4:30 PM - 5:30 PM ACC, 113-Dona Ana

Presiding: Patricia G. Gensel, Department of Biology, CB # 3280, University of North Carolina, Chapel Hill, NC 27599-3280. Tele: 919-962-6937, E-mail: pgensel@bio.unc.edu.

5:00 PM - 6:00 PM ACC, 111-Cimarron

Presiding: ROBERT S. EGAN, Department of Biology, University of Nebraska at Omaha, Omaha, NE 68182-0040. Tele: 402-554-2491, E-mail: regan@mail.unomaha.edu.


6:00 PM - 7:30 PM Hyatt, Enchantment A-D

6:00 PM - 7:00 PM New Mexico Museum of Natural History

7:00 PM - 10:00 PM New Mexico Museum of Natural History
BANQUET: ASPT / IOPB (Ticketed Event)

Speaker: Thomas F. Daniel, California Academy of Sciences, San Francisco. Botanical heroes.