Untitled Document

Williams, JH. In Press. Developmental evolution of the progamic phase: Amborella trichopoda (Amborellaceae). American Journal of Botany

Williams, JH. 2008. Novelties of the flowering plant pollen tube underlie diversification of a key life history stage. Proceedings of the National Academy of Sciences, USA 105: 11259-11263.

http://www.pnas.org/content/105/32/11259.full

Arias, T and JH Williams. 2008. Embryology of Manekia naranjoana (Piperaceae) and the origin of tetrasporic, sixteen-nucleate female gametophytes in Piperales. American Journal of Botany 95(3): 272–285.

http://www.amjbot.org/cgi/content/full/95/3/272

Friedman, WE, EN Madrid and JH Williams. 2008. Origin of the fittest and survival of the fittest: relating female gametophyte development to endosperm genetics. International Journal of Plant Sciences, 169(1): 79-92.

http://www.journals.uchicago.edu/IJPS/journal/contents/v169n1.html

Williams, JH and K Kennard. 2006. Microsatellite markers for the basal angiosperm Austrobaileya scandens . Molecular Ecology Notes 6(1): 201-203.

http://www.blackwell-synergy.com/doi/full/10.1111/j.1471-8286.2005.01192.x

Friedman, WE and JH Williams. 2004. Developmental evolution of the sexual process in ancient flowering plant lineages. Plant Cell 16: S1-S15.

http://www.plantcell.org/cgi/content/full/16/suppl_1/S119

Williams, JH and WE Friedman. 2004. The four-celled female gametophyte of Illicium (Illiciaceae; Austrobaileyales): Implications for understanding the origin and early evolution of monocots, eudicots and eumagnoliids. American Journal of Botany 91(3): 332-351.

http://www.amjbot.org/cgi/content/full/91/3/332

Friedman, WE, WN Gallup and JH Williams. 2003 . Female gametophyte development in Kadsura : implications for Schisandraceae, Austrobaileyales, and the early evolution of flowering plants. International Journal of Plant Sciences 164(5): S293-S305.

http://www.journals.uchicago.edu/IJPS/journal/issues/v164nS5/164807/164807.html

Friedman, WE and JH Williams . 2003. Modularity of the angiosperm female gametophyte and its bearing on the early evolution of endosperm in flowering plants. Evolution 57(2):216-230.

http://evol.allenpress.com/evolonline/?request=get-toc&issn=0014-3820&volume=05$

Williams, JH and WE Friedman. 2002. Identification of diploid endosperm in an early angiosperm lineage. Nature 415: 522-526 (Cover story) .

http://www.nature.com/cgi-taf/DynaPage.taf?file=/nature/journal/v415/n6871/full/415522a_fs.html

Williams, JH , WJ Boecklen and DJ Howard. 2001. Reproductive processes in two oak ( Quercus ) contact zones with different levels of hybridization. Heredity 87(6): 680-690.

http://www.nature.com/cgi-taf/DynaPage.taf?file=/hdy/journal/v87/n6/full/6889680a.html

Williams, JH, Jr. and ML Arnold. 2001. Sources of genetic structure in the woody perennial, Betula occidentalis. International Journal of Plant Sciences 162(5): 1097-1109.

http://www.journals.uchicago.edu/IJPS/journal/issues/v162n5/010084/010084.html

Godt, MJW, JL Hamrick, MA Edwards-Burke and JH Williams. 2001. Comparisons of genetic diversity in white spruce ( Picea glauca ) and jack pine ( Pinus banksiana ) seed orchards with natural populations. Canadian Journal of Forest Research 31(6): 943-949.

http://pubs.nrc-cnrc.gc.ca/cgi-bin/rp/rp2_tocs_e?cjfr_cjfr6-01_31

Williams, JH, Jr. , WE Friedman and ML Arnold. 1999. Developmental selection within the angiosperm style: using gamete DNA content to visualize interspecific pollen competition. Proceedings of the National Academy of Sciences, USA 96(16): 9201-9206.

http://www.pnas.org/cgi/content/full/96/16/9201

Arnold, ML, MR Bulger, JM Burke, AL Hempel and JH Williams. 1999. Natural hybridization - how low can you go (and still be important)? Ecology 80(2): 371-381.

http://www.jstor.org/view/00129658/ap010010/01a00030/0

Howard, DJ, RW Preszler, JH Williams, S Fenchel and WJ Boecklen. 1997. How discrete are oak species? Insights from a hybrid zone between Quercus grisea and Q. gambelii. Evolution 51(3): 747-755.

http://links.jstor.org/sici?sici=0014-3820%28199706%2951%3A3%3C747%3AHDAOSI%3E2.0.CO%3B2-M

Mellor, CJ with JH Williams. 2007. Translation of Schnarf, K. 1929. “Fertilization, pages 262-279.” In Schnarf, K., Embyrologie der Angiospermen. Handbuch der Pflanzenan Anatomie/ Band 10.2. Gebrüder Borntraeger, Berlin.