dianella howarth

PUBLICATIONS:
Howarth, D. G., D. Gardner, and C. Morden.  1997.  Evolution and Biogeography of Rubus Subgenus Idaeobatus (Rosaceae) in the Hawaiian Islands. Syst. Bot. 22(3): 433-441.

Howarth, D. G., and D. A. Baum.  2002.  Phylogenetic Utility of a Nuclear Intron from Nitrate Reductase for the study of closely related plant species.  Molecular Phylogenetics and Evolution.  23: 525-528.

Howarth, D. G., M. H. G. Gustafsson, D. A. Baum, and T. J. Motley.  2003.  Phylogenetics of the genus Scaevola (Goodeniaceae): Implications for dispersal patterns across the Pacific Basin and colonization of the Hawaiian Islands.  American Journal of Botany 90(6): 915-923.

Randell, R. A., D. G. Howarth, and C. W. Morden.  2004.  Genetic analysis of  natural hybrids between endemic and alien Rubus (Rosaceae) species in Hawai’i. Conservation Genetics 5: 217-230.

Howarth, D. G. and D. A. Baum.  (in review)  Genealogical evidence of homoploid hybrid speciation in an adaptive radiation of Scaevola (Goodeniaceae) in the Hawaiian Islands.  Evolution. 

Howarth, D. G. and M. J. Donoghue. (in prep.)  Multiple duplications in the CYC-like genes from Dipsacales correlate with floral form.

Howarth, D. G. and M. J. Donoghue. (in prep.) Sequences from Dipsacales suggest deep eudicot duplications in the floral symmetry TCP genes. 

PRESENTATIONS:
Howarth, D. G., T. J. Motley, and M. H. G. Gustafsson.  Phylogenetics and Biogeography of Scaevola in the Pacific Basin.  International Botanical Congress 1999 (Abstract).

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. 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. and M. J. Donoghue.  Sequences from Dipsacales suggest deep eudicot duplications in the floral symmetry TCP genes.  Evolution Meetings 2004.