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.
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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.
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