California Botanical Society









26thGS Meeting 2017

CBS 25th



CBS 24th

23GSM2010

22GSM2007

21aGSM2005

21GSM2005

20GSM2003

19GSM2001

18GSM1999

17GSM1998

16GSM1996

15GSM1992

15aGSM1994

14GSM1992

13GSM1990

12GSM1988

11GSM1987

10GSM1985

CBS_GSM1984

CBS_GSM1982

7GSM1981

6GSM1980

4GSM1977

1GSM1973

Past Graduate Student Meetings
and Prize Recipients


26th: April 7-9, 2017: Santa Barbara Botanic Garden (Adam C. Schneider, Danielle Black, Graduate Student Representatives)

John Powers, University of California, Irvine: Flower scent as a potential reproductive barrier in a Hawaiian plant lineage (Best Overall Presentation)

Mitchell Coleman, California State University, Bakersfield, Tejon Ranch Conservancy: Seedling recruitment of Atriplex polycarpa (Chenopodiaceae) in the San Joaquin Valley of California: The roles of invasive grass competition and residual dry matter (Best Talk)

Maisie Borg, San Francisco State University: Long-term effects of CO2 enrichment on plant genome and cell size (Best Poster)

Adriana Hernandez, Santa Barbara Botanic Garden: Genotyping using microsatellites shows strong genetic differentiation among populations of the Channel Islands endemic plant Malva assurgentiflora (Malvaceae) (Best Poster)



25th: April 10-12, 2015: Pomona College and Rancho Santa Ana Botanic Garden, Claremont, CA (Jessica Orozco, Adam C. Schneider, Graduate Student Representatives)

Will Freyman, University of California, Berkeley: Integrating cytogenetic, molecular, and paleontological data in a joint Bayesian phylogenetic analysis: A case study in Onagraceae (Best Overall Presentation)

Jenna Baughman, California State University, Los Angeles: Natural desert terraria: Characterization of a Mojave Desert hypolithic moss community (Completed Research)

Melissa Johnson, Rancho Santa Ana Botanic Garden: Testing the non-adaptive speciation hypothesis on islands: Pacific Cyrtandr (Gesneriaceae) as a model of species radiation decoupled from ecological diversification (Research in Progress)

Laura Schultheis, University of California, Santa Barbara: Exceptional drought, pathogens, and synergies leading to dieback of a classic drought tolerant shrub in California (Proposed Research)



24th: April 14, 2013: University of California, Berkeley (Genevieve Walden, Graduate Student Representative)

Jenn Yost, University of California, Santa Cruz: Foggy memories of fires gone by: Why is maritime chaparral so diverse? (Best Talk)

Diana Gamba, San Francisco State University and California Academy of Sciences: Systematics of the Octopleura clade of Miconia (Melastomataceae: Miconieae) in Tropical America (Completed Research)

Tommy Stoughton, Claremont Graduate University: Past hybridization event in Boechera (Brassicaceae) provide intriguing insights into the biogeography of the Arcto-Tertiary Geoflora in southern California (Research In Progress)

Ayla Mills, California State University, Chico: Evaluating the effects of mechanical and manual removal of Ammophila arenaria within coastal dunes of Humboldt County, California (Proposed Research)



23rd: February 13, 2010: San Jose State University (Suzie Woolhouse, Graduate Student Representative)

Brian L. Anacker, University of California, Davis: Mechanisms for temporal stability in California grasslands

Naomi Fraga, Rancho Santa Ana Botanic Garden: Disentangling a taxonomic mess: Mimulus montioides (Phrymaceae)—one species or five?

Jennifer Goropse, San José State University: Roots, shoots, and fruits: Income, Ethnicity and Exposure to Heavy Metals by Urban Gardeners

Dena Grossenbacher, University of California, Davis: Pollinator-mediated competition between species depends on flower color similarity

C. Matt Guilliams, University of California, Berkeley: "Popping onto the Scene" - Phylogenetic Relationships of the Popcorn Flowers, Plagiobothrys (Boraginaceae), Inferred Using nrDNA (ITS) and cpDNA (trnL-trnF intergenic spacer, rps16 intron, matK intron), and Implications for the Evolution of Vernal Pool Endemic Plagiobothrys Taxa

Kristen E. Hasenstab-Lehman, Rancho Santa Ana Botanic Garden: Phylogenetic Systematics of the genus Cryptantha (Boraginaceae)

Stephanie S. Porter, University of California, Davis: Microevolution and the legume-rhizobia symbiosis during colonization of a serpentine grassland

Jenn Yost, University of California, Santa Cruz: Edaphic adaptations and speciation in Lasthenia



22nd: February 17, 2007: California Polytechnic State University, San Luis Obispo (Abby Moore, Ben Carter, Nicole Molinari, Graduate Student Representatives)

Gilberto Ocampo, Rancho Santa Ana Botanic Garden: Molecular systematics of Portulaca (Portulacaceae) (Systematics)

Robert Steers, University of California, Riverside: The importance of ecotonal space in central coast vegetation mosaics (Ecology)

Robert S. Arkle, California Polytechnic State University, San Luis Obispo: Connectivity of wildfire disturbance in riparian forests, adjacent ponderosa pine forests, and stream habitat in the Salmon River Mountains, Idaho (Conservation Biology)

Jolene R. Pucci, University of California, Los Angeles; California State University, Northridge: The effects of invasive plants on an endangered sunflower, Pentachaeta lyonii Gray (Conservation Biology)

Jeremy M. Beaulieu, California Polytechnic State University, San Luis Obispo: Correlated evolution of genome size and seed mass (Evolution)



21st: February 19, 2005: San Francisco State University, Romberg Tiburon Center (Vicente Garcia, Graduate Student Representative)

M.M. Apodaca, California State University Long Beach: Evaluation of two constructed salt marshes in Long Beach, CA through examination of plant percentage cover and plant diversity (Ecology section)

Abigail Moore, University of California Berkeley: An ETS phylogeny of Balsamorhiza and Wyethia (Asteraceae) (Systematics section)

Katrina M. Dlugosch, University of California, Santa Cruz: Genetic bottlenecks and rapid evolution in an invasive shrub (Population Genetics, Paleobotany, and Ethnobotany section)



20th: February 15, 2003: University of San Diego (Elizabeth Zacharias, Graduate Student Representative)

J. L. Heisler, Arizona State University: The interaction of woody vegetation and fire in a C4 grassland: what are the mechanisms driving shrub expansion? (Completed Research)

Rebecca A. Hufft, University of California, Santa Cruz: Genetic and ecological mechanisms of diversification in Lithophragma (Saxifragaceae) (Research in Progress)

Katrina Duglosch, University of California, Santa Cruz: The genetics of colonization: native populations vs. recent introductions of Hypericum canariense, island endemic to noxious weed (Best Research Proposal)



19th: February 17, 2001: California State University, Chico (Leah Mahan, Graduate Student Representative)

Christopher Adams, University of Kentucky: Seed dormancy in Aristolochia californica (Completed)

Justin Whittal, University of California, Santa Barbara: Key innovation and rapid radiation among the columbines: insights from another chloroplast region and introns of three nuclear genes (In Progress)

Gavin Blosser, California State University, Chico: Diversity and characterization of arbuscular mycorrhizal fungi in the soils of vernal pools in northern California (Proposed)



18th: February 20, 1999: California Polytechnic State University, San Luis Obispo (Dennis Wall, Graduate Student Representative)



17th: February 21, 1998: University of California, Berkeley (Staci Markos, Graduate Student Representative)

V. Vaughan Symonds, California State University, Fresno: The role of varying genetic composition in hybridization between Carpobrotus chilensis and C. edulis (Aizoaceae) (Completed)

Katherine Bode, San Francisco State University: A spatial test of ectomycorrhizal facilitation of conifer tree-chaparral shrub associations in the Coast Ranges of California (Proposed)

Anna Thompson, University of California, Berkeley: Holocene migrations of Douglas-fir [Pseudotsuga menziesii (Mirb.) Franco]: How was Douglas-fir able to migrate so fast? (In Progress)

Eric Roalson, Rancho Santa Ana Botanic Garden and Claremont Graduate University: Relationships in Carex (Cyperaceae) inferred from the nrDNA ITS and chloroplast trnL regions (In Progress)



16th: February 24, 1996: Rancho Santa Ana Botanic Garden (Lisa Schultheis, Graduate Student Representative)

Mark Fishbein, University of Arizona: Diversity and temporal change in the effective pollinators of Asclepias tuberosa (Completed Research)

Maria Clauss, University of Arizona: Causes and consequences of germination cohorts in the desert winter annual, Plantago insularis (Research in Progress)

Lena Hileman, San Francisco State University: Phylogeny and biogeography of Arbutus (Ericaceae), a putative Madrean-Tehyan disjunct genus (Research in Progress)

Gerard Allen, Rancho Santa Ana Botanic Garden: A comparative seed germination study of mainland and Channel Island varieties of Lotus section Syrmatium (Proposed Research)



15th: February 19, 1994: University of California, Davis (Brian Smith, Graduate Student Representative)

Julie Greene, Rancho Santa Ana Botanic Garden: Isozyme analysis of genetic variation in the endangered narrow endemic Oenothera deltoids ssp. howellii (Onagraceae) (First Place)

Jennifer Dunne, San Francisco State University: Effects of soil moisture availability on establishment of Pseudotsuga manziesii seedlings in chaparral (Second Place)

Kris Shanks, San Francisco State University: A systematic study of the genus Tricholoma (Tricholomataceae) in California (Second Place)

Manuel Lerdau, Stanford University: Ecological controls over monoterpene emissions from Douglas fir (Third Place)



14th: February 22, 1992: San Francisco State University (Daniel Pritchett, Graduate Student Representative)



13th: March 17, 1990: Rancho Santa Ana Botanic Garden (James D. Morefield, Graduate Student Representative)

Aaron Liston, University of California, Davis: Evidence for rapid allopatric speciation in Astragalus section Leptocarpi subsection Californici (Completed Research)

Claudia M. Tyler, University of California, Santa Barbara: Factors affecting seedling establishment in chaparral after fires (Research in Progress)

Randy K. Zebell, San Francisco State University: A biosystematic investigation of variation in Calochortus venustus (Proposed Research)

Maile C. Neel, University of California, Santa Barbara: Morphological and allozyme variation in Echinocereus engelmannii var. munzii (Proposed Research)



12th: October 29, 1988: San Jose State University (Valerie Haley, Graduate Student Representative)



11th: April 25, 1987: University of California, Davis (Naill McCarten, Graduate Student Representative)

Samuel Hammer, San Francisco State University, A taxonomic survey of the lichen genus Cladonia in California. Advisor: Harry Thiers. (California Botanical Society Award for Graduate Student Research)

Jon Hart, University of California, Davis: Water use patterns of two chaparral species (1st Place, Completed Research)

George R. Robinson, University of California, Davis: Effects of Habitat Fragmentation in a California Annual Grassland (2nd Place, Completed Research)

Bruce Baldwin, University of California, Davis: Chloroplast DNA phylogenetics of the Hawaiian “silver-sword alliance” (Madiinae, Asteraceae) (1st Place, Research in Progress)

Herbert M. Saylor, San Francisco State University: A taxonomic survey of the California astrogstraceous fungi without a stipe-columella (2nd Place, Research in Progress)

K. Stacy Giles, San Francisco State University: Evolutionary Relationships in the genus Eurynchium (Musci:Brachytheciaceae) in western North America (1st Place, Proposed Research)

Barbara L. Gartner, Stanford University: Mechanical and Physiological Consequences of Differences in Growth Form in One Species (2nd Place, Proposed Research)

Michael K. Wood, San Francisco State University: Soil/Plant Interactions and their Effects on Endemism in Arctostaphylos myrtifolia (3rd Place, Proposed Research)



10th: October 19-20, 1985: University of California, Santa Barbara (Joseph M. DiTomaso, Graduate Student Representative)

Jeffrey P. Hill, University of California, Riverside: Dynamics of pollen tube growth in the wild radish, Raphanus raphanistrum (Best Paper, Completed Research)

William Bond, University of California, Los Angeles: Reproductive effects of mass flowering after fire in Nolina parryi (2nd Place, Completed Research)

Niall F. McCarten, San Francisco State University: Selection for optimal surface temperature in cacti is related to a shift in herbivore deterrence mechanism (3rd Place, Completed Research)

Alan L. Koller, University of California, Davis: Internal anatomy of Sansevieria leaves (Best Paper, Research in Progress)

Asmita Patel, University of California, Riverside: A possible interaction between respiration and CAM in Pepperomia camptotricha (2nd Place, Research in Progress)

Richard W. Kerrigan, University of California, Santa Barbara: Dynamic aspects of basidiospore number and the case for amphithallic lifecycles in the mushroom genus Agaricus (2nd Place, Research in Progress)

Kirk E. Apt, University of California, Santa Barbara: Studies on neoplastic growth in marine algae (3rd Place, Research in Progress)

Edith A. Reed, University of California, Irvine: Parental effects on seedling growth rates: the interaction of abortion rate with timing of fertilization (Best Paper, Proposed Research)

Kristina Schierenbeck, San Francisco State University: Evolutionary relationships among Arctostaphylos mewukka and associated species (2nd Place, Proposed Research)



9th: April 7-8, 1984: California State University, Chico (Sandra Morey, Graduate Student Representative)

Douglas Spicher, Tiburon Center for Environmental Studies, San Francisco State University: The ecology of an introduced cordgrass in San Francisco Bay (Completed Research)

Michael P. Cummings, California State University, Fullerton: Some carbon balance characteristics of evergreen and deciduous oaks and their hybrids (Work in Progress)

Dennis E. Desjardin, San Francisco State University: Undescribed species of marasmioid fungi from California (Research in Progress)

Jan Nachlinger, University of Nevada, Reno: The phenology of eight plant species in subalpine meadows in the Lake Tahoe region (Research in Progress)

F. Jay Fuller, California State University, Chico: Is cleistogamy a means of maintaining subspecific integrity in Viola purpurea? (Research Proposal)

Victoria R. Kelly, San Francisco State University: The effects of a midwinter fire on northern California chaparral (Research Proposal)



8th: October 29-31, 1982: University of California, Los Angeles (Judith Verbeke, Graduate Student Representative)

Cindy Walker, Occidental College: Crassulacean acid metabolism in Isoetes bolanderi in high elevation oligotrophic lakes (Completed Project)

Chuck Wimpee, UCLA: RuBP carboxylase pseudogene cluster? (Research in Progress)

Kathy Griffin, UCLA: Phytoplankton phyiology as a means of explaining extinctions in the fossil record: a thesis proposal (Research Proposal)



7th: October 24-25, 1981: San Francisco State University (Patricia Gordon and Christine Bern, Graduate Student Representatives)

Luann Z. Wright, San Diego State University: Shoot Geotropism: Its relationship to the acid-growth theory (Outstanding Paper)



6th: April 12-13, 1980: University of California, Riverside



5th: November 11-12, 1978: California Polytechnic State University, San Luis Obispo (Nancy Smith, Susanne James and Lorrie Sedillos, Graduate Student Representatives)



4th: November 12-13, 1977: University of California, Berkeley (Nancy Morin, Graduate Student Representative)

Robert N. Bowman, University of California, Davis: Phylogenetic implications from Cuticular Wax Analyses in Epilobium canum (section Zauschneria) (Award of Excellence)



3rd: October 23-24, 1976: University of California, Santa Barbara



2nd: April 12-13, 1975: University of California, Davis



1st: October 20-21, 1973: Rancho Santa Ana Botanic Garden