Publications
Found 47 results
Author Title Type [ Year
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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.
"Covariation among floral traits in Spergularia marina (Caryophyllaceae): geographic and temporal variation in phenotypic and among-family correlations." Journal of Evolutionary Biology 9 (1996): 993-1015.
"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.
"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.
"Responses of floral traits to selection on primary sexual investment in Spergularia marina: the battle between the sexes." Evolution 53 (1999): 717-731.
"Evolutionary significance of variation." (2001).
"Nature and causes of variation." (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.
"Reducing environmental bias when measuring natural selection." Evolution 56 (2002): 2156-2167.
"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.
"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.
"The joint evolution of mating system, floral traits and life history in Clarkia (Onagraceae): genetic constraints vs. independent evolution." Journal of evolutionary biology 20 (2007): 2200-2218.
"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.
"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.
"Ovule number per flower in a world of unpredictable pollination." American Journal of Botany 96 (2009): 1159-1167.
"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.
"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.
"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.
"Forecasting phenology: from species variability to community patterns." Ecology letters 15 (2012): 545-553.
"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.
"Sensitivity of spring phenology to warming across temporal and spatial climate gradients in two independent databases." Ecosystems 15 (2012): 1283-1294.
"Warming experiments underpredict plant phenological responses to climate change." Nature 485 (2012): 494.
"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.
"Phenology in higher education: ground-based and spatial analysis tools." In Phenology: An Integrative Environmental Science, 585-602. Springer, Dordrecht, 2013.
"Phylogenetic conservatism in plant phenology." Journal of Ecology 101 (2013): 1520-1530.
"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.
"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.
" "Old plants, new tricks: Phenological research using herbarium specimens." Trends in ecology & evolution 32 (2017): 531-546.
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The California Phenology Collections Network: using digital images to investigate phenological change in a biodiversity hotspot." Madroño 66, no. 4 (2019): 130-141.
"The California Phenology Collections Network: using digital images to investigate phenological change in a biodiversity hotspot." Madroño 66, no. 4 (2019): 130-141.
" "Testing mechanisms of compensatory fitness of dioecy in a cosexual world." Jornal of Vegetation Science 30 (2019): 413-426.
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Context-dependent concordance between physiological divergence and phenotypic selection in sister taxa with contrasting phenology and mating systems." American Journal of Botany (2022).
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