References
Anderson, R. C., and S. Schelfhout. 1980. Phenological patterns among talgrass prairie plants and their implications for pollinator competition. American Midland Naturalist 104 :153-163.
Asch, M. V., and M. E. Visser. 2007. Phenology of forest caterpillars and their host trees: The importance of synchrony. Annual Review of Entomology 52 :37-55.
Azzalini, A., and A. Capitanio. 1998. Statistical applications of the multivariate skew-normal distribution. Journal of the Royal Statistical Society (B) 61 .
Bock, A., T. H. Sparks, N. Estrella, N. Jee, A. Casebow, C. Schunk, M. Leuchner, and A. Menzel. 2014. Changes in first flowering dates and flowering duration of 232 plant species on the island of Guernsey. Global Change Biology 20 :3508-3519.
Bodley, E. J., J. R. Beggs, R. Toft, and A. C. Gaskett. 2016. Flowers, phenology and pollination of the endemic New Zealand greenhood orchid Pterostylis brumalis. New Zealand Journal of Botany 54 :291-310.
CaraDonna, P. J., A. M. Iler, and D. W. Inouye. 2014. Shifts in flowering phenology shape a subalpine plant community. PNAS111 :4916-4921.
Clark, R. M., and R. Thompson. 2011. Estimation and comparison of flowering curves. Plant Ecology & Diversity 4 :189-200.
Daru, B. H., D. S. Park, R. B. Primack, C. G. Willis, D. S. Barrington, T. J. S. Whitfeld, T. G. Seidler, P. W. Sweeney, D. R. Foster, A. M. Ellison, and C. C. Davis. 2017. Widespread sampling biases in herbaria revealed from large-scale digitization. New Phytologist.
Davis, C. C., C. G. Willis, B. Connolly, and A. M. Ellison. 2015. Herbarium records are reliable sources of phenological change driven by climate and provide novel insights into species’ phenological cueing mechanisms. American Journal of Botany 102 :1599-1609.
Dorian, N. N., M. W. McCarthy, and E. E. Crone. 2022. Ecological traits explain long-term phenological trends in solitary bees. Journal of Animal Ecology 00 :1-12.
Forrest, J., D. W. Inouye, and J. D. Thompson. 2010. Flowering phenology in subalpine meadows: Does climate variation influence community co-flowering patters? Ecology 91 :431-440.
Gerst, K. L., N. L. Rossington, and S. J. Mazer. 2017. Phenological responsiveness to climate differs among four species of Quercus in North America. Journal of Ecology 105 :1610-1622.
Harris, G. A. 1977. Root phenology as a factor of competition among grass seedlings. Journal of Range Management 30 :172-177.
Inouye, D. W. 2008. Effects of climate change on phenology, frost damage, and floral abundance of montane wildflowers. Ecology89 :353-362.
Jones, C. A., and C. C. Daehler. 2018. Herbarium specimens can reveal impacts of climate change on plant phenology; a review of methods and applications. PeerJ 6 :e4576.
Koenker, R., S. Portnoy, P. Tian Ng, A. Zeileis, P. Grosjean, and B. D. Ripley. 2018. Quantile Regression: package ‘quantreg’.in R. Koenker, editor., CRAN.
Miller-Rushing, A. J., and R. B. Primack. 2008. Global warming and flowering times in Thoreau’s Concord: a community perspective. Ecology89 :332-341.
Miller-Rushing, A. J., R. B. Primack, D. Primack, and S. Mukunda. 2006. Photographs and herbarium specimens as tools to document phenological changes in response to global warming. American Journal of Botany93 :1667-1674.
Panchen, Z. A., J. Doubt, H. M. Kharouba, and M. O. Johnston. 2019. Patterns and biases in an Arctic herbarium specimen collection: Implications for phenological research. Applications in Plant Sciences7 :e01229.
Park, D. S., I. Breckheimer, A. C. Williams, E. Law, A. M. Ellison, and C. C. Davis. 2019. Herbarium specimens reveal substantial and unexpected variation in phenological sensitivity across the eastern United States. Philosophical Transactions of the Royal Society B: Biological Sciences374 :20170394.
Park, I. W., and S. J. Mazer. 2018. Overlooked climate parameters best predict flowering onset: assessing phenological models using the elastic net. Global Change Biology 24 :5972-5984.
Park, I. W., T. Ramirez-Parada, and S. J. Mazer. 2020. Advancing frost dates have reduced frost risk among most North American angiosperms since 1980. Global Change Biology 27 :165-176.
Primack, D., C. Imbres, R. B. Primack, A. J. Miller-Rushing, and P. Del Tredici. 2004. Herbarium specimens demonstrate earlier flowering times in response to warming in Boston. American Journal of Botany91 .
PRISM Climate Group. 2011. 1971-2000 Climatology Normals. Oregon State University, http://prism.oregonstate.edu.
Ramirez-Parada, T. H., I. W. Park, and S. J. Mazer. 2022. Herbarium specimens provide reliable estimates of phenological responses to climate at unparalleled taxonomic and spatiotemporal scales. Ecography2022 :e06173.
Rathcke, B. 1988. Flowering phenologies in a shrub community: competition and constraints. Journal of Ecology 76 :975-994.
Rawal, D. S., S. Kasel, M. R. Keatley, and C. R. Nitschke. 2015. Herbarium records identify sensitivity of flowering phenology of eucalypts to climate: Implications for species response to climate change. Austral Ecology 40 :117-125.
Robbirt, K. M., A. J. Davy, M. J. Hutchings, and D. L. Roberts. 2011. Validation of biological collections as a source of phenological data for use in climate change studies: a case study with the orchidOphrys sphegodes . Journal of Ecology 99 :235-241.
Sherry, R. A., X. Zhou, S. Gu, J. A. Arnone, D. W. Johnson, D. S. Schimel, P. S. J. Verburg, L. L. Wallace, and Y. Luo. 2011. Changes in duration of reproductive phases and lagged phenological response to experimental climate warming. Plant Ecology & Diversity4 :23-35.
Singer, M. S., and C. Parmesan. 2010. Phenological asynchrony between herbivorous insects and their hosts: signal of climate change or pre-existing adaptive strategy? Philosophical Transactions of the Royal Society B 365 :3161-3176.
Taylor, S. D. 2019. Estimating flowering transition dates from status-based phenological observations: a test of methods. PeerJ7 :e7720.
Team, R. 2020. Rstudio: Integrated development for R.in M. Boston, editor. Rstudio. RStudio, PBC.
Tryjanowski, P., S. Kuz ̵́niak, and T. H. Sparks. 2005. What affects the magnitude of change in first arrival dates of migrant birds. J Ornithol146 :200-205.
Waser, N. M. 1978. Competition for hummingbird pollination and sequential flowering in two Colorado wildflowers. Ecology59 :934.
Willis, C. G., E. R. Ellwood, R. B. Primack, C. C. Davis, K. D. Pearson, A. S. Gallinat, J. M. Yost, G. Nelson, S. J. Mazer, N. L. Rossington, T. H. Sparks, and P. S. Soltis. 2017. Old plants, new tricks: phenological research using herbarium specimens. Trends in Ecology & Evolution32 :531-546.