Publications
] "Fruits of Wetherellia and Palaeowetherellia (? Euphorbiaceae) from Eocene sediments in Virginia and Maryland." Brittonia 34 (1982): 300-333.
"Fertilization dynamics and parental effects upon fruit development in Raphanus raphanistrum: consequences for seed size variation." American Journal of Botany 73 (1986): 500-511.
The Heavy Metal-Tolerant Flora of Southcentral Africa: A Multidisciplinary Approach. Sigma Xi, The Scientific Research Society, 1987.
"Maternal investment and male reproductive success in angiosperms: parent-offspring conflict or sexual selection?" Biological Journal of the Linnean Society 30 (1987): 115-133.
"Parental effects on seed development and seed yield in Raphanus raphanistrum: implications for natural and sexual selection." Evolution 41 (1987): 355-371.
"The quantitative genetics of life history and fitness components in Raphanus raphanistrum L.(Brassicaceae): ecological and evolutionary consequences of seed-weight variation." The American Naturalist 130 (1987): 891-914.
"Gametophytic selection in Raphanus raphanistrum: a test for heritable variation in pollen competitive ability." Evolution 42 (1988): 1065-1075.
"Ecological, Taxonomic, and Life History Correlates of Seed Mass Among Indiana Dune Angiosperms: Ecological Archives M059-001." Ecological Monographs 59 (1989): 153-175.
"Effects of mate size and mate number on male reproductive success in plants." Ecology 70 (1989): 71-76.
"Family mean correlations among fitness components in wild radish: controlling for maternal effects on seed weight." Canadian journal of botany 67 (1989): 1890-1897.
"Seasonal changes in components of male and female reproductive success in Raphanus sativus L.(Brassicaceae)." Oecologia 81 (1989): 345-353.
"The effect of position on fruit characteristics, and relationships among components of yield in Phytolacca rivinoides (Phytolaccaceae)." Biotropica (1990): 353-365.
"Seed mass of Indiana Dune genera and families: taxonomic and ecological correlates." Evolutionary Ecology 4 (1990): 326-357.
"Constancy of population parameters for life history and floral traits in Raphanus sativus L. Norms of reaction and the nature of genotype by environment interactions." Heredity 67 (1991): 143.
"Constancy of population parameters for life-history and floral traits in Raphanus sativus L. II. Effects of planting density on phenotype and heritability estimates." Evolution 45 (1991): 1888-1907.
"Plant Population Genetics as a Research Tool." Evolution 45 (1991): 1536-1538.
"Planting density influences the expression of genetic variation in seed mass in wild radish (Raphanus sativus L.: Brassicaceae)." American Journal of Botany 79 (1992): 1185-1193.
"Fruit size and shape: allometry at different taxonomic levels in bird-dispersed plants." Evolutionary Ecology 7 (1993): 556-575.
"Variation and covariation among floral traits within and among four species of northern European Primula (Primulaceae)." American Journal of Botany 80 (1993): 474-485.
"Angiosperm growth habit, dispersal and diversification reconsidered." Evolutionary Ecology 9 (1995): 93-117.
"The structure of phenotypic variation in gender and floral traits within and among populations of Spergularia marina (Caryophyllaceae)." American Journal of Botany 82 (1995): 798-810.
"Floral trait variation in Spergularia marina (Caryophyllaceae): ontogenetic, maternal family, and population effects." Heredity 77 (1996): 269.
"Nutrient levels and salinity affect gender and floral traits in the autogamous Spergularia marina." International Journal of Plant Sciences 157 (1996): 621-631.
"Parental effects on progeny phenotype in plants: distinguishing genetic and environmental causes." Evolution 50 (1996): 44-53.
"Allozyme variation in Ulmus species from France: analysis of differentiation." Heredity 78 (1997): 12.
"Alternative approaches to the analysis of comparative data: compare and contrast." American Journal of Botany 85 (1998): 1194-1199.
"Contrasting variation within and covariation between gender-related traits in autogamous versus outcrossing species: alternative evolutionary predictions." Evolutionary Ecology 12 (1998): 403-425.
"Rainforest plants protect their investments." Trends in ecology & evolution 13 (1998): 471-473.
"Responses of floral traits to selection on primary sexual investment in Spergularia marina: the battle between the sexes." Evolution 53 (1999): 717-731.
"Seed mass, seedling emergence, and environmental factors in seven rain forest Psychotria (Rubiaceae)." Ecology 80 (1999): 1594-1606.
"The absence of cryptic self-incompatibility in Clarkia unguiculata (Onagraceae)." American Journal of Botany 87 (2000): 191-196.
"Geographic Variation in." Adaptive Genetic Variation in the Wild (2000): 157.
Arenaria Paludicola (marsh Sandwort: Caryophyllaceae) and Rorippa Gambelii (Gambel's Watercress: Brassicaceae) in Black Lake Canyon and the Oso Flaco Lake Region: Field Observations, Greenhouse Cultivation, Molecular Genetic Variation, and Trial Reintrodu. Department of Ecology, Evolution and Marine Biology, University of California, Santa Barbara, 2001.
"Size-dependent sex allocation within flowers of the annual herb Clarkia unguiculata (Onagraceae): ontogenetic and among-plant variation." American Journal of Botany 88 (2001): 819-831.
"The neighborhood matters: effects of neighbor number and sibling (or kin) competition on floral traits in Spergularia marina (Caryophyllaceae)." Evolution 56 (2002): 2406-2413.
"Reducing environmental bias when measuring natural selection." Evolution 56 (2002): 2156-2167.
"Plant ecotypes: genetic differentiation in the age of ecological restoration." Trends in Ecology & Evolution 18 (2003): 147-155.
"Relationship between genetic structure and seed and pollen dispersal in the endangered orchid Spiranthes spiralis." New Phytologist 157 (2003): 677-687.
"Life history, floral development, and mating system in Clarkia xantiana (Onagraceae): do floral and whole-plant rates of development evolve independently?" American Journal of Botany 91 (2004): 2041-2050.
"Pollen limitation of plant reproduction: ecological and evolutionary causes and consequences." Ecology 85 (2004): 2408-2421.
"Patterns of phenotypic plasticity and their fitness consequences in wild radish (Raphanus sativus: Brassicaceae)." International Journal of Plant Sciences 166 (2005): 631-640.
"Pollen limitation of plant reproduction: pattern and process." Annu. Rev. Ecol. Evol. Syst. 36 (2005): 467-497.
"Pollination decays in biodiversity hotspots." Proceedings of the National Academy of Sciences 103 (2006): 956-961.
"Relationships among ecologically important dimensions of plant trait variation in seven Neotropical forests." Annals of Botany 99 (2006): 1003-1015.
"Evolution of mating system and the genetic covariance between male and female investment in Clarkia (Onagraceae): selfing opposes the evolution of trade-offs." Evolution 61 (2007): 83-98.
"Evolving plans for the USA National Phenology Network." Eos, Transactions American Geophysical Union 88 (2007): 211.
"Fruits of their labour." Nature 450 (2007): 1162.
"Status of pollinators in North America." Nature 450 (2007): 1162-1163.
"Allee effects within small populations of Aconitum napellus ssp. lusitanicum, a protected subspecies in northern France." New Phytologist 179 (2008): 1171-1182.
"Breeding systems and seed size in a Neotropical flora: testing evolutionary hypotheses." Ecology 89 (2008): 2461-2472.
"Local adaptation and effects of grazing among seedlings of two native california bunchgrass species: Implications for restoration." Restoration Ecology 16 (2008): 59-69.
"The phenology handbook." University of California, Santa Barbara (2008): P41.
"The resurrection initiative: storing ancestral genotypes to capture evolution in action." AIBS Bulletin 58 (2008): 870-873.
"COS 97-1: Seed mass, abundance, and breeding system among tropical forest species: Do dioecious species exhibit compensatory reproduction or abundances?" In The 94th ESA Annual Meeting., 2009.
"Ovule number per flower in a world of unpredictable pollination." American Journal of Botany 96 (2009): 1159-1167.
"Seed mass, abundance and breeding system among tropical forest species: do dioecious species exhibit compensatory reproduction or abundances?" Journal of ecology 97 (2009): 555-566.
"Size-dependent pollen: ovule ratios and the allometry of floral sex allocation in Clarkia (Onagraceae) taxa with contrasting mating systems." American Journal of Botany 96 (2009): 968-978.
"Stability of pollen–ovule ratios in pollinator-dependent versus autogamous Clarkia sister taxa: testing evolutionary predictions." New Phytologist 183 (2009): 630-648.
"Geographic variation in primary sex allocation per flower within and among 12 species of Pedicularis (Orobanchaceae): proportional male investment increases with elevation." American Journal of Botany 97 (2010): 1334-1341.
"Geographic variation in seed mass within and among nine species of Pedicularis (Orobanchaceae): effects of elevation, plant size and seed number per fruit." Journal of Ecology 98 (2010): 1232-1242.
"The joint evolution of mating system and pollen performance: predictions regarding male gametophytic evolution in selfers vs. outcrossers." Perspectives in Plant Ecology, Evolution and Systematics 12 (2010): 31-41.
"Physiological performance in Clarkia sister taxa with contrasting mating systems: do early-flowering autogamous taxa avoid water stress relative to their pollinator-dependent counterparts?" International Journal of Plant Sciences 171 (2010): 1029-1047.
"Stigma closure and re-opening in Oroxylum indicum (Bignoniaceae): Causes and consequences." American Journal of Botany 97 (2010): 136-143.
"A flora of the University of California Natural Reserve System." Website http://nrs. ucop. edu/reserves/flora/flora. htm [accessed 01 October 2012] (2011).
"Physiological impact of metal oxide nanoparticles in soil-grown Clarkia (Onagraceae)." In ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY. Vol. 241. AMER CHEMICAL SOC 1155 16TH ST, NW, WASHINGTON, DC 20036 USA, 2011.
"Forecasting phenology: from species variability to community patterns." Ecology letters 15 (2012): 545-553.
"Local adaptation and the effects of grazing on the performance of Nassella pulchra: implications for seed sourcing in restoration." Restoration Ecology 20 (2012): 688-695.
"Physiological performance and mating system in Clarkia (Onagraceae): Does phenotypic selection predict divergence between sister species?" American Journal of Botany 99 (2012): 488-507.
"Reproductive allometry in Pedicularis species changes with elevation." Journal of Ecology 100 (2012): 452-458.
"The California Phenology Project: tracking plant responses to climate change." Madroño 60 (2013): 1-3.
"Flowering date of taxonomic families predicts phenological sensitivity to temperature: implications for forecasting the effects of climate change on unstudied taxa." American Journal of Botany 100 (2013): 1381-1397.
"Evidence for nanoparticle induced photoxicity in a soil-grown wildflower." In ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY. Vol. 248. AMER CHEMICAL SOC 1155 16TH ST, NW, WASHINGTON, DC 20036 USA, 2014.
"Environmental stresses increase photosynthetic disruption by metal oxide nanomaterials in a soil-grown plant." Acs Nano 9 (2015): 11737-11749.
"Seasonal changes in physiological performance in wild Clarkia xantiana populations: implications for the evolution of a compressed life cycle and self-fertilization." American journal of botany 102 (2015): 962-972.
"Species-specific phenological responses to winter temperature and precipitation in a water-limited ecosystem." Ecosphere 6 (2015): 1-27.
"GC-TOF-MS based metabolomics and ICP-MS based metallomics of cucumber (Cucumis sativus) fruits reveal alteration of metabolites profile and biological pathway disruption induced by nano copper." Environmental Science: Nano 3 (2016): 1114-1123.
"Geographic variation in climate as a proxy for climate change: Forecasting evolutionary trajectories from species differentiation and genetic correlations." American journal of botany 103 (2016): 140-152.
"Historical changes in flowering phenology are governed by temperature x precipitation interactions in a widespread perennial herb in western North America." New Phytologist 210 (2016): 157-167.
"How climate change affects plants' sex lives." Science 353 (2016): 32-33.
"Nitrogen: phosphorous supply ratio and allometry in five alpine plant species." Ecology and evolution 6 (2016): 8881-8892.
"Outcrossing and photosynthetic rates vary independently within two Clarkia species: implications for the joint evolution of drought escape physiology and mating system." Annals of botany 118 (2016): 897-905.
"The plant phenology monitoring design for the national ecological observatory network." Ecosphere 7 (2016): e01303.
"Pollen—Tiny and ephemeral but not forgotten: New ideas on their ecology and evolution." American journal of botany 103 (2016): 365-374.
"Project Baseline: An unprecedented resource to study plant evolution across space and time." American Journal of Botany 103 (2016): 164-173.
"Seed set variation in wild Clarkia populations: teasing apart the effects of seasonal resource depletion, pollen quality, and pollen quantity." Ecology and evolution 6 (2016): 6524-6536.
"Winning in style: Longer styles receive more pollen, but style length does not affect pollen attrition in wild Clarkia populations." American Journal of Botany 103 (2016): 408-422.
"Biological invasions in nature reserves in China." In Biological invasions and its management in China, 125-147. Springer, Dordrecht, 2017.
"CBS President's Report for Volume 64." Madroño 64 (2017): 154-155.
"Old plants, new tricks: Phenological research using herbarium specimens." Trends in ecology & evolution 32 (2017): 531-546.
"Phenological responsiveness to climate differs among four species of Quercus in North America." Journal of Ecology 105 (2017): 1610-1622.
"2018 CBS Banquet at UC Davis." Madroño 65 (2018): 65.