PUBLICATIONS OF CURRENT AND PAST LAB MEMBERS:

Shefferson, R.P. and D.A. Roach. In press. Longitudinal analysis of Plantago:
adaptive benefits of iteroparity in a short-lived, herbaceous perennial. Ecology.
Shefferson, R.P. 2009. The evolutionary ecology of vegetative dormancy in mature
herbaceous perennials. Journal of Ecology 97:1000-1009.
Cowden, C.C. and C.J. Peterson. 2009. A multi-mutualist simulation: applying
biological market models to diverse mycorrhizal communities. Ecological Modelling
220:1522-1533.
Mesipuu, M., R.P. Shefferson, and T. Kull. 2009. Weather and herbivores influence
fertility in the endangered fern Botrychium multifidum (S.G. Gmel.) Rupr. Plant
Ecology 203:23-31.
Shefferson, R.P., T. Kull, and K. Tali. 2008. Mycorrhizal interactions of orchids
colonizing Estonian mine tailings hills. American Journal of Botany 95:156-164.
Shefferson, R.P. and E.L. Simms. 2007. Costs and benefits of fruiting to future
reproduction in two dormancy-prone orchids. Journal of Ecology 95:865-875.
Shefferson, R.P., D.L. Taylor, M. Weiss, S. Garnica, M.K. McCormick, S. Adams, H.M.
Gray, J.W. McFarland, T. Kull, K. Tali, T. Yukawa, T. Kawahara, K. Miyoshi, and Y.-I.
Lee. 2007. The evolutionary history of mycorrhizal specificity among lady's slipper
orchids. Evolution 61:1380-1390.
Shefferson, R.P. and K. Tali. 2007. Dormancy is associated with decreased adult
survival in the burnt orchid, Neotinea ustulata. Journal of Ecology 95:217-225.
Shefferson, R.P. 2006. Survival costs of adult dormancy and the confounding
influence of size in lady's slipper orchids, genus Cypripedium. Oikos 115:253-262.
Shefferson, R.P., T. Kull, and K. Tali. 2006. Demographic response to shading and
defoliation in two woodland orchids. Folia Geobotanica 41:95-106
Simms, E.L., D.L. Taylor, J. Povich, R.P. Shefferson, M. Urbina, and Y. Tauszick.
2006. An empirical test of partner choice mechanisms in a legume-rhizobium
interaction. Proceedings of the Royal Society of London Series B, Biological
Sciences 273:77-81
Shefferson, R.P., T. Kull, and K. Tali. 2005. Adult whole-plant dormancy induced by
stress in long-lived orchids. Ecology 86:3099-3104
Shefferson, R.P., M. Weiss, T. Kull, and D.L. Taylor. 2005. High specificity generally
characterizes mycorrhizal association in rare lady's slipper orchids, genus
Cypripedium. Molecular Ecology 14:613-626
Bruns, T. and R.P. Shefferson. 2004. Evolutionary studies of ectomycorrhizal fungi:
milestones and future directions. Canadian Journal of Botany 82:1122-1132.
Shefferson, R.P., J. Proper, S.R. Beissinger, and E.L. Simms. 2003. Life history
trade-offs in a rare orchid: the costs of flowering, dormancy, and sprouting. Ecology
84:1199-1206
Shefferson, R.P. 2002. Dormancy and survival in rare terrestrial orchids. Pp. 53-64
in P. Kindlmann, J.H. Willems, and D.F. Whigham, editors. Trends and fluctuations
and underlying mechanisms in terrestrial orchid populations. Backhuys Publishers,
Leiden, the Netherlands
Shefferson, R.P., B. K. Sandercock, J. Proper, and S. R. Beissinger. 2001.
Estimating dormancy and survival of a rare herbacious perennial using mark-
recapture models. Ecology 82: 145-156
Copyright 2009 Richard P. Shefferson.  All rights reserved.
Publications