Smithsonian National Museum of Natural History

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Laurence J.  Dorr

Laurence J. Dorr

Chair of Botany, Research Botanist & Curator

Phone: 202-633-0964
Fax: 202-786-2563
E-mail Address:

Postal Address
(Mail and Packages):

Smithsonian Institution
PO Box 37012
Washington, DC 20013-7012

Courier Address:
National Museum of Natural History
West Loading Dock
10th and Constitution Ave, NW
Washington, DC 20560-0166

     B.A. (Earth and Planetary Sciences), 1976, Washington University, St. Louis M.A. (Botany), 1980, University of North Carolina at Chapel Hill (Advisor: C.R. Bell) Ph.D., 1983, University of Texas at Austin (Advisor: B.B. Simpson)

Research Interests
     Systematic Biology: Systematics of Malvales, especially tropical taxa formerly ascribed to Sterculiaceae and Tiliaceae; systematics of Ericaceae, focusing on tropical African and Malagasy taxa. Biocomplexity: Flora of the northern Andes, including the preparation of a manual of the vascular flora of the Parque Nacional Guaramacal, Venezuela; floristic accounts of Malvales and Ericaceae for neotropical and paleotropical flora projects. History of Science: Botanical exploration of Madagascar and neighboring islands in the Indian Ocean; 19th-century natural history in the United States.

Recent Publications - (All Publications)

Fernández-Alonso, J. L., Fryxell, P. A. and Dorr, Laurence J. 2016. Malvaceae. In: Bernal, R., Gradstein, S. R. and Celis, M., Catálogo de Plantas y Líquenes de Colombia 2. Bogota: Instituto de Ciencias Naturales, Universidad Nacional de Colombia, pp.1535-1570.

Dorr, Laurence J. 2015. Review of: Toward the open waters: Exploration of the Ungava Peninsula. Taxon, 64(1): 192-193.

Dorr, Laurence J. 2015. Firmiana. In: Flora of North America Editorial Committee, Magnoliophyta: Cucurbitaceae to Droseraceae. New York; New York: Oxford University Press; Oxford University Press,(Flora of North America; v.6) pp.190-245.

Dorr, Laurence J. 2015. Ayenia. In: Flora of North America Editorial Committee, Flora of North America Volume 6 Magnoliophyta: Cucurbitaceae to Droseraceae. New York: Oxford University Press, pp.202-207.

Dorr, Laurence J. 2015. Flowering plants of the Western Ghats. Journal of Systematics and Evolution, 53(4): 367-368. doi:10.1111/jse.12163

Dorr, Laurence J. and Carvalho-Sobrinho, J. G. 2015. On the Identity of Sterculia Laxiflora Rusby (Malvaceae: Sterculioideae). Phytoneuron, 45: 1-4.

Wen, Jun, Ickert-Bond, Stefanie, Appelhans, Marc S., Dorr, Laurence J. and Funk, Vicki A. 2015. Collections-based systematics: opportunities and outlook for 2050. Journal of Systematics and Evolution, 53(6): 477-488. doi:10.1111/jse.12181

Alverson, William S., Michel, Lia Rosy Chavex de, Dorr, Laurence J., Fryxell, Paul A., Krapovickas, Antonio and Meneses Q., Rosa Isela 2014. Malvaceae. In: Jorgensen, P. M., Nee, M. H. and Beck, S. G., Catalogo de las plantas vasculares de Bolivia, Monographs in systematic botany from the Missouri Botanical Garden. St. Louis: Missouri Botanical Garden Press, pp.786-819.

de Carvalho-Sobrinho, Jefferson G., Ramella, Lorenzo, de Queiroz, Luciano P. and Dorr, Laurence J. 2014. Towards a revision of Pseudobombax Dugand (Malvaceae- Bombacoideae): typification of names published by E. Hassler and R. Chodat in the related genus Bombax L. Candollea, 69(1): 93-99.

Dorr, Laurence J. 2014. The correct author citation of the combination Eriolaena quinquelocularis (Malvaceae: Dombeyoideae) and typification of its basionym. Taxon, 63(6): 1340-1341. doi:10.12705/636.2

Dorr, Laurence J. 2014. Flora of Guaramacal (Venezuela): Monocotyledons. Smithsonian Contributions to Botany, 100: 1-289. doi:10.5479/si.19382812.100

Dorr, Laurence J. and Stergios, Basil 2014. Four new species of Andean Pilea (Urticaceae), with additional notes on the genus in Venezuela. Phytokeys, 42: 57-76. doi:10.3897/phytokeys.42.8455

Campbell, Lisa M. and Dorr, Laurence J. 2013. A synopsis of Harperocallis (Tofieldiaceae, Alismatales) with ten new combinations. Phytokeys, 21: 37-52. doi:10.3897/phytokeys.21.4859

de Carvalho-Sobrinho, Jefferson G., de Queiroz, Luciano P. and Dorr, Laurence J. 2013. Does Pseudobombax have prickles? Assessing the enigmatic species Pseudobombax endecaphyllum (Malvaceae: Bombacoideae). Taxon, 62(4): 814-818. doi:10.12705/624.30

Marhold, Karol, Stuessy, Tod, Agababian, Mariam, Agosti, Donat, Alford, Mac H., Crespo, Ana, Crisci, Jorge V., Dorr, Laurence J., Ferencová, Zuzana, Frodin, David, Geltman, Dmitry V., Killian, Norbert, Linder, H. Peter, Lohmann, Lucia G., Oberpreler, Christoph, Penev, Lyubomir, Smith, Gideon F., Thomas, Wayt, Tulig, Melissa:Turland, Nicholas and Zhang, Xian-Chun 2013. The future of botanical monography: Report from an international workshop, 12-16 March 2012, Smolenice, Slovak Republic. Taxon, 62(1): 4-20.

Dorr, Laurence J. 2012. Apeiba trombetensis (Malvaceae: Grewioideae), a new species from northern Brazil. Brittonia, 64(4): 374-380. doi:10.1007/s12228-012-9251-3

Dorr, Laurence J. 2012. Diospyros foliosa: the correct name for D. elliptica, and new combinations in Fijian and Samoan Diospyros (Ebenaceae). Kew Bulletin, 66(4): 633-635. doi:10.1007/s12225-011-9313-9

Dorr, Laurence J. 2012. A new combination in Chusquea (Poaceae: Bambusoideae). Phytoneuron, 23: 1-2.

Dorr, Laurence J. 2012. Lectotypification of Maximilianea triphylla S.F. Blake (Bixaceae). Phytoneuron, 2012-9: 1-3.

Dorr, Laurence J. 2012. Malvaceae. In: Acevedo-Rodríguez, Pedro and Strong, M. T., Catalogue of seed plants of the West Indies. Washington, D.C.: Smithsonian Institution Scholarly Press,(Smithsoninan Contributions to Botany) pp.496-529.

Dorr, Laurence J. and Cheek, M. R. 2012. The identity and typification of Pimia Seem. (Sterculiaceae). Kew Bulletin, 66(4): 629-631. doi:10.1007/s12225-011-9312-x

Stauffer, F. W., Stauffer, J. and Dorr, Laurence J. 2012. Bonpland and Humboldt specimens, field notes, and herbaria; new insights from a study of the monocotyledons collected in Venezuela. Candollea, 67(1): 75-130.

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