Publications
Phenology in higher education: ground-based and spatial analysis tools." In Phenology: An Integrative Environmental Science, 585-602. Springer, Dordrecht, 2013.
"A Phenology-focused CURE using Herbarium Specimen Data. Cultivating Scientific Curiosity, (Version 2.0)." QUBES Educational Resources doi:10.25334/3132-PV71 (2021).
"Phylogenetic conservatism in plant phenology." Journal of Ecology 101 (2013): 1520-1530.
"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.
"Physiological performance and mating system in Clarkia (Onagraceae): Does phenotypic selection predict divergence between sister species?" American Journal of Botany 99 (2012): 488-507.
"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.
"Plant Ecology: Seeds Ecology, Biogeography, and Evolution of Dormancy and Germination CC Baskin and JM Baskin." SCIENCE-NEW YORK THEN WASHINGTON- (1999): 334.
"Plant ecotypes: genetic differentiation in the age of ecological restoration." Trends in Ecology & Evolution 18 (2003): 147-155.
"The plant phenology monitoring design for the national ecological observatory network." Ecosphere 7 (2016): e01303.
" "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.
"Pollen limitation of plant reproduction: ecological and evolutionary causes and consequences." Ecology 85 (2004): 2408-2421.
"Pollen limitation of plant reproduction: pattern and process." Annu. Rev. Ecol. Evol. Syst. 36 (2005): 467-497.
"Pollen performance in Clarkia taxa with contrasting mating systems: implications for male gametophytic evolution in selfers and outcrossers." Plants 2 (2013): 248-278.
"Pollen—Tiny and ephemeral but not forgotten: New ideas on their ecology and evolution." American journal of botany 103 (2016): 365-374.
"Pollination decays in biodiversity hotspots." Proceedings of the National Academy of Sciences 103 (2006): 956-961.
" "Project Baseline: An unprecedented resource to study plant evolution across space and time." American Journal of Botany 103 (2016): 164-173.
"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.
"Rainforest plants protect their investments." Trends in ecology & evolution 13 (1998): 471-473.
"Reducing environmental bias when measuring natural selection." Evolution 56 (2002): 2156-2167.
"Regeneración de plantas vía organogénesis y crioconservación de Jatropha curcas L.. CATIE, Turrialba (Costa Rica), 2012.
Region-specific phenological sensitivities and rates of climate warming generate divergent temporal shifts in flowering date across a species’ range." American Journal of Botany.
"Region-specific phenological sensitivities and rates of climate warming generate divergent temporal shifts in flowering date across a species’ range." American Journal of Botany (2021).
"Relationship between genetic structure and seed and pollen dispersal in the endangered orchid Spiranthes spiralis." New Phytologist 157 (2003): 677-687.
"Relationships among ecologically important dimensions of plant trait variation in seven Neotropical forests." Annals of Botany 99 (2006): 1003-1015.
"Reproductive allometry in Pedicularis species changes with elevation." Journal of Ecology 100 (2012): 452-458.
"Responses of floral traits to selection on primary sexual investment in Spergularia marina: the battle between the sexes." Evolution 53 (1999): 717-731.
"The resurrection initiative: storing ancestral genotypes to capture evolution in action." AIBS Bulletin 58 (2008): 870-873.
"Seasonal changes in components of male and female reproductive success in Raphanus sativus L.(Brassicaceae)." Oecologia 81 (1989): 345-353.
"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.
"Seed allometry and disperser assemblages in tropical rainforests: a comparison of four floras on different continents." 2007) Seed dispersal: theory and its application in a changing world. Wallingford, UK: CAB International Publishing (2007): 5-36.
"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.
"Seed mass of Indiana Dune genera and families: taxonomic and ecological correlates." Evolutionary Ecology 4 (1990): 326-357.
"Seed mass, seedling emergence, and environmental factors in seven rain forest Psychotria (Rubiaceae)." Ecology 80 (1999): 1594-1606.
"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.
"Seeds-Ecology, biogeography, and evolution of dormancy and germination." Science 283 (1999): 334.
"Sensitivity of spring phenology to warming across temporal and spatial climate gradients in two independent databases." Ecosystems 15 (2012): 1283-1294.
"Sex ratio." (2008).
"Sex-specific floral attraction traits in a sequentially hermaphroditic species." Ecology and Evolution DOI: 10.1002/ece3.5987 (2020).
"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.
"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.
"Soil heterogeneity and the distribution of native grasses in California: Can soil properties inform restoration plans?" Ecosphere 5 (2014): 1-14.
"SOME CONSEQUENCES AND CAUSES OF SEED SIZE VARIATION IN WILD RADISH, RAPHANUS-RAPHANISTRUM L." In AMERICAN JOURNAL OF BOTANY, 659. Vol. 73. BOTANICAL SOC AMER INC OHIO STATE UNIV-DEPT BOTANY 1735 NEIL AVE, COLUMBUS, OH 43210, 1986.
"Spatial uncertainty in herbarium data: simulated displacement but not error distance alters estimates of phenological sensitivity to climate in a widespread California wildflower." Ecography e06107 (2022).
"Species-specific phenological responses to winter temperature and precipitation in a water-limited ecosystem." Ecosphere 6 (2015): 1-27.
"Stability of pollen–ovule ratios in pollinator-dependent versus autogamous Clarkia sister taxa: testing evolutionary predictions." New Phytologist 183 (2009): 630-648.
"Status of pollinators in North America." Nature 450 (2007): 1162-1163.
"Stigma closure and re-opening in Oroxylum indicum (Bignoniaceae): Causes and consequences." American Journal of Botany 97 (2010): 136-143.
"The structure of phenotypic variation in gender and floral traits within and among populations of Spergularia marina (Caryophyllaceae)(vol 82, pg 798, 1995) In AMERICAN JOURNAL OF BOTANY. Vol. 83. BOTANICAL SOC AMER INC OHIO STATE UNIV-DEPT BOTANY 1735 NEIL AVE, COLUMBUS, OH 43210, 1996.
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.
"Talking Through the Keys." Dalhousie Journal of Interdisciplinary Management 1 (2010).
"Temporal instability of genetic components of floral trait variation: maternal family and population effects in Spergularia marina (Caryophyllaceae)." Evolution 50 (1996): 2509-2515.
"Temporal variation in the pollen: ovule ratios of Clarkia (Onagraceae) taxa with contrasting mating systems: field populations." Journal of evolutionary biology 21 (2008): 310-323.
"Testing mechanisms of compensatory fitness of dioecy in a cosexual world." Jornal of Vegetation Science 30 (2019): 413-426.
"Towards a Phenological Assessment of California: Integrating Multiple Data Sources and the Implications for Statewide Analyses." In AGU Fall Meeting Abstracts., 2009.
"Trade-offs between male and female reproduction associated with allozyme variation in phosphoglucoisomerase in an annual plant (Clarkia unguiculata: Onagraceae)." Evolution 55 (2001): 2421-2428.
"Trade‐off drives Pareto optimality of within‐and among‐year emergence timing in response to increasing aridity." Evolutionary Applications 14, no. 3 (2020).
"Uptake, distribution, and physiological impacts of metal oxide nanoparticles in mature crop plants: Evidence for nanophototoxicity?" In ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY. Vol. 250. AMER CHEMICAL SOC 1155 16TH ST, NW, WASHINGTON, DC 20036 USA, 2015.
"Variation and covariation among floral traits within and among four species of northern European Primula (Primulaceae)." American Journal of Botany 80 (1993): 474-485.
"Warming experiments underpredict plant phenological responses to climate change." Nature 485 (2012): 494.
"What determines the evolutionary trajectories of wild plant species? Approaches to the study of quantitative fitness‐related traits." American Journal of Botany 109, no. 11 (2022): 1673-1682.
"When the neighborhood matters: contextual selection on seedling traits in native and non-native California grasses." Evolution (2023).
"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.
"