| Natural hybridization: how low can you go and still be important? ML Arnold, MR Bulger, JM Burke, AL Hempel, JH Williams Ecology 80 (2), 371-381, 1999 | 280 | 1999 |
| Pollination biology of basal angiosperms (ANITA grade) LB Thien, P Bernhardt, MS Devall, Z Chen, Y Luo, JH Fan, LC Yuan, ... American Journal of Botany 96 (1), 166-182, 2009 | 181 | 2009 |
| Identification of diploid endosperm in an early angiosperm lineage JH Williams, WE Friedman Nature 415 (6871), 522-526, 2002 | 168 | 2002 |
| HOW DISCRETE ARE OAK SPECIES? INSIGHTS FROM A HYBRID ZONE BETWEEN QUERCUS GRISEA AND QUERCUS GAMBELII DJ Howard, RW Preszler, J Williams, S Fenchel, WJ Boecklen Evolution 51 (3), 747-755, 1997 | 162 | 1997 |
| Novelties of the flowering plant pollen tube underlie diversification of a key life history stage JH Williams Proceedings of the National Academy of Sciences 105 (32), 11259-11263, 2008 | 139 | 2008 |
| Reproductive processes in two oak (Quercus) contact zones with different levels of hybridization JH Williams, WJ Boecklen, DJ Howard Heredity 87 (6), 680-690, 2001 | 116 | 2001 |
| Developmental selection within the angiosperm style: using gamete DNA to visualize interspecific pollen competition JH Williams Jr, WE Friedman, ML Arnold Proceedings of the National Academy of Sciences 96 (16), 9201-9206, 1999 | 108 | 1999 |
| The four‐celled female gametophyte of Illicium (Illiciaceae; Austrobaileyales): implications for understanding the origin and early evolution of monocots … JH Williams, WE Friedman American Journal of Botany 91 (3), 332-351, 2004 | 94 | 2004 |
| Modularity of the angiosperm female gametophyte and its bearing on the early evolution of endosperm in flowering plants WE Friedman, JH Williams Evolution 57 (2), 216-230, 2003 | 94 | 2003 |
| Developmental evolution of the sexual process in ancient flowering plant lineages WE Friedman, JH Williams The Plant Cell 16 (suppl_1), S119-S132, 2004 | 93 | 2004 |
| Morphological plant modeling: unleashing geometric and topological potential within the plant sciences A Bucksch, A Atta-Boateng, AF Azihou, D Battogtokh, A Baumgartner, ... Frontiers in plant science 8, 900, 2017 | 78 | 2017 |
| Amborella trichopoda (Amborellaceae) and the evolutionary developmental origins of the angiosperm progamic phase JH Williams American Journal of Botany 96 (1), 144-165, 2009 | 73 | 2009 |
| Repeated evolution of tricellular (and bicellular) pollen JH Williams, ML Taylor, BC O'Meara American Journal of Botany 101 (4), 559-571, 2014 | 69 | 2014 |
| Origin of the fittest and survival of the fittest: relating female gametophyte development to endosperm genetics WE Friedman, EN Madrid, JH Williams International Journal of Plant Sciences 169 (1), 79-92, 2008 | 64 | 2008 |
| Pollen tube growth rates and the diversification of flowering plant reproductive cycles JH Williams International Journal of Plant Sciences 173 (6), 649-661, 2012 | 62 | 2012 |
| Comparisons of genetic diversity in white spruce (Picea glauca) and jack pine (Pinus banksiana) seed orchards with natural populations MJW Godt, JL Hamrick, MA Edwards-Burke, JH Williams Canadian Journal of Forest Research 31 (6), 943-949, 2001 | 62 | 2001 |
| Female Gametophyte Development in Kadsura: Implications for Schisandraceae, Austrobaileyales, and the Early Evolution of Flowering Plants WE Friedman, WN Gallup, JH Williams International Journal of Plant Sciences 164 (S5), S293-S305, 2003 | 49 | 2003 |
| Developmental evolution of flowering plant pollen tube cell walls: callose synthase (CalS) gene expression patterns JM Abercrombie, BC O'Meara, AR Moffatt, JH Williams EvoDevo 2, 1-13, 2011 | 45 | 2011 |
| Pollen tube growth and the pollen-tube pathway of Nymphaea odorata (Nymphaeaceae) JH Williams, RT McNeilage, MT Lettre, ML Taylor Botanical Journal of the Linnean Society 162 (4), 581-593, 2010 | 37 | 2010 |
| Pollen—Tiny and ephemeral but not forgotten: New ideas on their ecology and evolution JH Williams, SJ Mazer American Journal of Botany 103 (3), 365-374, 2016 | 35 | 2016 |
William E. FriedmanProfessor of Organismic and Evolutionary Biology, Harvard UniversityVerified email at oeb.harvard.edu
