Dan Crawford

Dan Crawford

Adjunct Research Associate
785.864.4375
Haworth Hall

Dr. Crawford is a plant systematist who studies the origin and evolution of plants growing on oceanic islands, especially members of the sunflower family (Asteraceae).

Publications: 

Research Papers

Mesfin Tadesse and D. J. Crawford. 2014. The phytomelanin layer in traditional members of Bidens L. and Coreopsis L. and phylogeny of the Coreopsideae (Compositae). Nordic Jour. Bot. 32: 80-91.

Cho, M.-K, S. A. Yun, D. J. Crawford, A. Santos-Guerra and S.-C. Kim. 2013. Origin and evolution of woody sow-thistles in the Macarnesian Islands revisited: four decades after the revision of Sonchus  (Asteraceae). Vierea 41: 217-232.

Anderson, G. J., D. J. Crawford and G. Bernardello. 2013. The reproductive biology of island plants: the Juan Fernandez and Canary Islands. Vierea 41: 115-127.

Crawford, D. J., M. E. Mort, and J. K. Archibald. 2013. Tolpis santosii (Asteraceae: Cichorieae), a new species from La Palma, The Canary Islands. Vierea 41: 163-169.

Soto-Trejo, F., J. K. Kelly, J. K. Archibald, M. E. Mort, A. Santos-Guerra & D. J. Crawford. 2013. The genetics of self-compatibility and associated floral characters in Tolpis (Asteraceae) in the Canary Islands. Inter. Jour. Plant Sci. 174: 171-178.

Soto-Trejo, F. G., G. Palamino, J. L. Viaalsenor and D. J. Crawford. Polyploidy in Asteraceae of the xerophytic scrub of the Ecological Reserve of the Pedregal of San Angel, Mexico City. Bot. Jour. Linn. Soc. 173: 211-229.

Knope, M. L., R. Pender, D. J. Crawford, and A. M. Wieczorek. 2013. Alien congeners are unlikely to hybridize with native Hawaiian Bidens (Asteraceae). Amer. Jour. Bot. 100: 1221-1226.

Mesfin Tadesse and D. J. Crawford. 2013. The phytomelanin layer in traditional members of Bidens L. and Coreopsis L. and phylogeny of the Coreopsidea (Compositae). Nordic Jour. Bot. doi: 10.1111/j.1756-1051.2011.001714.x

Soto-Trejo, F., J. K. Kelly, J. K. Archibald, M. E. Mort, A. Santos-Guerra & D. J. Crawford. 2013. The genetics of self-compatibility and associated floral characters in Tolpis (Asteraceae) in the Canary Islands.  Inter. Jour. Plant Sci. 174: 171-178.

Cho, M.-K, S. A. Yun, D. J. Crawford, A. Santos-Guerra and S.-C. Kim. 2013. Origin and evolution of  woody sow-thistles in the Macarnesian Islands revisited: four decades after the revision of Sonchus (Asteraceae). Vierea 41: 217-232.

Anderson, G. J., D. J. Crawford and G. Bernardello. 2013. The reproductive biology of island plants: the Juan Fernandez and Canary Islands. Vierea 41: 115-127.

Crawford, D. J., M. E. Mort, and J. K. Archibald. 2013. Tolpis santosii (Asteraceae: Cichorieae), a new species from La

López-Sepúlveda, P. G., K. Takayama, J. Greimler, P. Peñailillo, D. J. Crawford, M.Baeza, E. Ruiz, G. Kohl, K. Tremetsberger, A. Gatica, L. Letelier,P. Novoa, J. Novak, and T.  F. Stuessy. 2013. Genetic variation (AFLPS and nuclear microsatellites) in two anagenetically derived endemic species of Myrceugenia (Myrtaceae) on Juan Fernández Islands, Chile. Amer. Jour. Bot. 100: 722-734.

Review Papers

Stuessy, T. F., K. Takayama, P. Lopez-Sepulveda, and D. J. Crawford. 2014. Interpretations of patterns of genetic variation within endemic plant species of oceanic islands. Bot. Jour. Linn. Soc. 174: 276-288.

Crawford, D. J. 2010. Progenitor-derivative species pairs and plant speciation. Taxon 59: 1413-1423.

Caujapé-Castells,J.  Al. Tye, D. J. Crawford, A. Santos-Guerra, A. Sakai, K. Beaver, W. Lobin, F. B. Vincent Florens, M. Moura, R. Jardim, I. Gómes, C. Kueffer. 2010. Conservation of oceanic island floras: present and future global challenges. Persp. Pl. Ecol, Evol. and Syst. 21:107-129.

Book Chapters

Crawford, D. J., G. J. Anderson, and G. Bernardello. 2011. The reproductive biology of island plants, pp. 11-36 In:  D. Barmwell and J. Caujape-Castells, eds., The Biology of Island Floras. Cambridge University Press, Cambridge.

Crawford, D. J. A. Anderberg, B. Baldwin, R. Bayer, J. Bonifacino, I. Breitwieser, L. Brouillet, R. Carbajal, R. Chan, A. Coutinho, D. J. Crawford, and 42 other authors. 2009. Compositae metatrees: the next generation, pp. 747-777. In: V. A. Funk, A. Susanna, T. F. Stuessy and R. J. Bayer, eds. Systematics, Evolution and Biogeography of the Compositae. International Organization of Plant Taxonomy: Vienna.

Crawford, D. J., Mesfin Tadesse, M. E. Mort, R. T. Kimball, and C. P. Randle. 2009 Tribe Coreopsideae, pp. 713-730.  In: V. A. Funk, A. Susanna, T. F. Stuessy and R. J. Bayer, eds. Systematics, Evolution and Biogeography of the Compositae. International Organization of Plant Taxonomy: Vienna.

Crawford, D. J., T. K. Lowrey, G. J. Anderson, G. Bernardello, A. Santos-Guerra, and T. F. Stuessy. 2009 Genetic diversity in the colonizing ancestors of Asteraceae endemic to oceanic islands: Baker’s law and polyploidy, pp. 139-151 In: V. A. Funk, A. Susanna, T. F. Stuessy and R. J. Bayer, eds. Systematics, Evolution and Biogeography of the Compositae. International Organization of Plant Taxonomy: Vienna.

Books

Crawford, D. J. and V. B. Smocovitis (eds.) 2004. The Scientific Papers of G. Ledyard Stebbins (1929-2000). Koeltz Scientific Books, Koenigstein, Germany. 355 pp.

Crawford, D.J.  1990.  Plant Molecular Systematics:  Macromolecular Approaches.  John Wiley and Sons, New York, 388 pp.

Education: 

BA, 1964; MS, 1966; Ph.D., 1969, University of Iowa

Grants: 

National Science Foundation1971-74$17,000
National Science Foundation 1975-77 $39,000
National Science Foundation 1977-79 $4,100(Doct. diss. T. Davis)
U.S. Forest Service1977 $2,200
National Science Foundation1977-80 $85,000
National Science Foundation1978-80 $3,850
National Science Foundation1978-80 $4,130(Doct. diss. M. Roberts)
National Science Foundation1978-79 $12,450
National Science Foundation1980-84 $101, 038
National Science Foundation1982-84 $13, 800
National Science Foundation1982-84 $4,200 (Doct. diss. R. Bayer)
National Science Foundation1982-84 $5,115(Doct. diss. R. Pilatowski)
National Science Foundation1983-86 $147,000 (Co-PI with T. Stuessy)
National Science Foundation1983-85 $4,350 (Doct. diss. R. Whitkus)
National Science Foundation1984-85 $5,100(Doct. diss. D. Les)
National Science Foundation1983 $5,250
National Science Foundation1984-86 $60,000(Co-PI with T.F. Stuessy)
National Science Foundation1984-86 $15,478 (Doct. diss. P. Pacheco, H.  Valdebenito, Co-PI with T.F. Stuessy)
National Science Foundation1985-86 $49,173(Co-PI with T.F. Stuessy)
National Science Foundation1986-89 $115,000
National Science Foundation1988-90 $5,000(Doct. diss. P. Lewis)
National Science Foundation1989-92 $220,000(Co-PI with T. F. Stuessy)
National Science Foundation1991-92 $7,400(Doct. diss. D. Haines)
National Science Foundation1991-93 $10,500(Doct. diss. M.B. Cosner)
National Science Foundation1992-94 $19,900
National Science Foundation1993-94 $11,200
National Science Foundation1994-95 $15,000
Ohio Dept. of Natural Resources1994-95 $10,500
National Science Foundation1994-95 $10,650
National Science Foundation1995-97 $10,000(Doct. diss. S.-C. Kim)
National Science Foundation1995-98 $180,000(Co-PI with T.F.  Stuessy)
Ohio Dept. of Natural Resources1995-96 $12,000
National Science Foundation1996-98 $8,000 (Doct. diss. K. Gengler)
National Science Foundation1998-2001 $50,300
U. S. Fish and Wildlife 1999-2000 $5,000

Teaching: 

University of Wyoming
Plant Anatomy
Wyoming Plant Life
General Botany
Plant Taxonomy
Biosystematics and Evolution
Field Taxonomy of Vascular Plants at S.H. Knight Summer Science Camp

The Ohio State University
Plant Taxonomy
Plant Chemosystematics
General Botany
Evolutionary Mechanisms in Flowering Plants (Plant Speciation)
Local Flora
General Plant Biology

University of Concepcion, Chile
Plant Evolution and Speciation (August-September, 1986)
DNA and Plant Systematics (August-September, 1988)
Estudios de Evolucion y Filogenia Floras Insulares en Terreno (January-February, 1990, on the Juan Fernandez Islands)
Sistematica Molecular de Organismos Fotosintetizadores (January, 2006)

University of Chile, Santiago
Use of Enzyme Electrophoresis in Plant Systematics and Plant Population Biology (November, 1989, two-day short course)

Department of Botany, University of Vienna, Austria
Plant speciation, ten lectures, March 10- March 21, 2000

Department of Ecology & Evolutionary Biology, University of Kansas
Seminar: Plant Speciation, second semester, 2001-2002.

Graduate Student Advising: 

University of Wyoming (advisor or co-advisor)
R. L. Hartman, MS (Co-director with J.R. Reeder)
R. C. Gardner, MS
R. D. Dorn, Ph.D.
B. Hammel, MS (Co-director with J.R. Reeder)
M. L. Roberts, MS
R. J. Hill, MS
Gary Pearce, Ph.D.

The Ohio State University (advisor or co-advisor)
R. Bittman, MS, 1981
M.L. Roberts, Ph.D., 1982
R. Bayer, MS, 1980, Ph.D., 1984 (OSU Presidential Fellow; Ronald Butler Award as best graduating Ph.D. student, Dept. of Botany, 1984)
D. Les, Ph.D., 1986 (OSU Presidential Fellow; Ronald Butler Award as best graduating Ph.D. student, Dept. of Botany, 1986)
Joe Bruner, Ph.D., 1987
J. Taylor-Lehman, MS, 1987
R. Whitkus, Ph.D., 1988
P. Pacheco, Ph.D., 1989 (co-advisor with T.F. Stuessy)
H. Valdebenito, Ph.D., 1989 (co-advisor with T.F. Stuessy)
P. Lewis, Ph.D., 1991 (OSU Presidential Fellow)
M. Cosner, MS, 1988, Ph.D., 1993 (OSU Presidential Fellow; Ronald Butler Award as best graduating Ph.D. student, Dept. of Plant Biology, 1993)
B. Esselman, Ph.D., 1996
S.-C. Kim, Ph.D., 1997
K. Gengler-Nowak, Ph.D., 2000 (co-advisor with T.F. Stuessy)
M. Huang, Ph.D., 2002 (co-advisor with J. Freudenstein)
L. Wallace, Ph. D., 2002 (co-advisor with A. D. Wolfe) (OSU Presidential Fellow)
D. Haines, Ph.D. candidate

Graduate Committees, University of Kansas
Kristopher Fairfield, MS
Jennifer Moody-Weis, Ph. D. general examination
James Therrien, dissertation reading committee
Catherine Wiegand, MS
Nicholas Levsen Ph. D. general examination, dissertation reading committee
Katarina Topalov, MS
Patricia Ryberg, Ph. D., general examination
Andrew B. Schwendemann, Ph. D., general examination
T. Ryan O’Leary, MS
Piero Protti, MS
Oscar Torro, Ph.D.

Professional Presentations: 
Invited Seminars & Symposia

“Enzyme Electrophoresis, and Plant Systematics”. A Colloquium Honoring Leslie D. Gottlieb. Botany 2013 Meeting. New Orleans, 27-31 July.

 “Melding the old and the new: The potential for incorporating genomics into the conservation of island floras, with an example from Tolpis Asteraceae) in the Macaronesain archipelagos” (With M. E. Mort and J. K. Kelly). UNESCO Chair Meeting: La Conservación de la Biodiversidad en Macaronesia y el Oeste de África. Jardin Botanico Canario, Gran Canaria, Canary Islands. Nov 27-28, 2013.

"Reproductive biology and the evolution of Tolpis (Asteraceae: Cichorieae) in the Canary Islands" Invited. Symposium "Plant Systematics and Evolution" Faculty Center Biodiversity, University of Vienna, November 9, 2012.

"Biogeographical patterns of Pacific Bidens. Evolution of Life on Pacific Islands and Reefs: Past, Present and Future". (With V. A. Funk, E. Frew, G. Johnson, M. Knope, M. Bonifacino, F. Ganders, D. Lorence, J-Y Meyer and W. L. Wagner, presented by V. A. Funk) East-West Center, Honolulu, Hawaii. 26-30 May, 2011.

"Comparative reproductive biology of the Canaries and Pacific archipelagos, especially Juan Fernandez". Invited. International Conferences on Island Biodiversity 2011: Present and emerging knowledge on the evolution, diversity and conservation of the Canarian flora.   Jardin Botanico Canario "Viera y Clavijo"- Unidad Asociada CSIC. Las Palmas, Gran Canaria. (With G. J. Anderson, G. Bernardello and A. Santos-Guerra;  Presented by D. J. Crawford and G. J. Anderson) March 14-18, 2011.

Papers at Professional Meetings

2012. Evolution and genetic diversity of endemic plants in the Juan Fernandez, Archipelago, Chile. Botanical Society of America, Columbus, Ohio, 7-11 July (with K. Takayama, P. Lozez, G. Kohl, J. Greimler, C. Konig, M. Baeza, E. Ruiz, P. Penailillo, A. Gatica, L. Letelier, P. Novoa, K. Temetsberger, J. Novak, and T. Stuessy; presented by K. Takayama).

2012. Radiation of Coreopsis section Pseudoagarista (Asteraceae) in the Andes.  Botanical Society of America, Columbus, Ohio, 7-11 July (with R. Kimball, Mesfin Tadesse and M. E. Mort).

2012. The Evolution of Self-Compatibility and Associated Floral Characters in Tolpis(Asteraceae) in the Canary Islands. Botanical Society of America, Columbus, Ohio, 7-11 July ( with J. Archibald, F. Soto-Trejo, M. E.  Mort, J. Kelly, A.  Santos-Guerra; presented by  J. Archibald)

2011. Reproductive biology of island plants. Botanical Society of America, St. Louis, Missouri, 9-13 July, 2011 (with G. Anderson, G. Bernardello, A. Santos, and J. Perez de Paz; presented by G. Anderson).

2011. Biogeographic patterns in Pacific Bidens (With V. A. Funk, E. Frew, G. Johnson, M. Knope, M. Bonifacino, F. Ganders, D. Lorence, J-Y Meyer and W. L. Wagner. Evolution of Life on Pacific Islands and Reefs: Past, Present and Future. East-Weest Center, Honolulu, Hawaii. 26-30 May.

2008. Breeding relationships among species and populations of Tolpis (Asteraceae) endemic to the Canary Islands. Botanical Society of America, Vancouver British Columbia, 26-30 July, 2008  (with J. K. Archibold, D. Stoermer, M. E. Mort and A. Santos-Guerra)

2007. Estimating allele frequencies and related statistics using dominant data, an empirical comparison with estimates using codominant data. Botanical Society of America, Chicago, Illinois, 4-11 July, 2007 (With  N. Levsen, J. K. Archibald, B. Livers, M. E. Mort, D. Samanta Roy, P. Ryberg, and A. Santos-Guerra)

2007. Duckweeds go nuclear: successful sequencing of nrDNA lends support to the phylogeny of Lemnaceae. Botanical Society of America, Chicago, Illinois, 4-11 July, 2007.(With D. H. Les, N. Tippery, R. T. Kimball, and E. Landolt).

2007. Baker’s law, breeding systems, and the evolution of Tolpis (Asteraceae) in the Canary Islands. Botanical Society of America, Chicago, Illinois, 4-11 July, 2007. (With J. K. Archibald, D. Stoermer, M. Mort, and A. Santos-Guerra.

Professional Societies: 

Sigma Xi
Botanical Society of America
American Society of Plant Taxonomists
California Botanical Society
Torrey Botanical Club
Society for the Study of Evolution
Fellow, Linnean Society of London
Society for the Study of Species Biology
California Native Plant Society
International Organization of Plant Biosystematists
International Association for Plant Taxonomy