Howarth, D. G. and M. J. Donoghue. Phylogeny and
expression of TCP and MYB genes and their role in floral symmetry
shifts in core eudicots and Dipsacales. Botany Meetings
2008.
Howarth, D. G. The Attraction of Flowers: Stories of their
Evolution, Genes and Development. St John’s University
Seminar, Feb. 2008.
Howarth, D. G. and M. J. Donoghue. Phylogeny and
expression of TCP and MYB genes and their role in floral symmetry
shifts in Dipsacales, Botany Meetings 2007.
Howarth, D. G. and M. J. Donoghue. Phylogeny and
expression of TCP and MYB genes and their role in floral symmetry
shifts in Dipsacales. New York Area Plant Molecular
Biology Meeting, Yale University, June 2007.
Howarth, D. G. and M. J. Donoghue. Evolution of floral
symmetry genes (including CYCLOIDEA): Gene duplications and
diversifying expression. Evolution Meetings 2006.
Howarth, D. G. and M. J. Donoghue. Sequences from
Dipsacales suggest deep eudicot duplications in the floral symmetry
TCP genes. Botany Meetings 2004
Howarth, D. G. and M. J. Donoghue. Sequences from
Dipsacales suggest deep eudicot duplications in the floral symmetry
TCP genes. Evolution Meetings 2004.
Howarth, D. G. and D. A. Baum. Genealogical evidence of
homoploid hybrid speciation in an adaptive radiation of Scaevola
(Goodeniaceae) in the Hawaiian Islands. Evolution Meetings
2004.
Howarth, D. G. Evolution of Scaevola (Goodeniaceae),
Bernice P. Bishop Museum special seminar, Hawaii. 2003.
Howarth, D. G., and D. A. Baum. Comparing three variable
nuclear intron regions and nrDNA ITS to determine the phylogenetic
history and a possible hybrid origin in a closely related Hawaiian
clade in Scaevola (Goodeniaceae). Botany 2002 (Abstract).
Howarth, D. G. 2002. Evolution on Islands: Dispersal,
Speciation, and Hybridization in Scaevola (Goodeniaceae) in the
Hawaiian Archipelago. Department of Ecology and Evolutionary
Biology special seminar, Yale University.
Howarth, D. G., T. J. Motley, and M. H. G. Gustafsson.
1999. Phylogenetics and Biogeography of Scaevola in the
Pacific Basin. International Botanical Congress XVI
(Abstract).