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)

Dorr, Laurence J. 2018. The Identity and Typification of Valliera triplinervis. Journal of the Botanical Research Institute of Texas, 12(1): 129-131.

Dorr, Laurence J. 2018. "You'll Hear the Music in the Bell" - Stanwyn Gerald Shetler (1933-2017). Taxon, 67(1): 229-230. doi:10.12705/671.34

Dorr, Laurence J. and Alford, Mac H. 2018. The Identity and Typification of Valliera Triplinervis (Salicaceae). Journal of the Botanical Research Institute of Texas, 12(1): 129-131.

Nino, Santos Miguel and Dorr, Laurence J. 2018. Dos Nuevas Especies de Piper (Piperaceae) de los Andes de Venezuela. Harvard Papers in Botany, 23(1): 9-13.

Carvalho-Sobrinho, Jefferson and Dorr, Laurence J. 2017. A new combination and taxonomic notes in Pseudobombax Dugand (Malvaceae). PhytoKeys, 85: 27-30. doi:10.3897/phytokeys.85.13930

Dorr, Laurence J. 2017. Two innovations in Mexican Malvaceae. Journal of the Botanical Research Institute of Texas, 11(1): 25-28.

Dorr, Laurence J. and Gulledge, Rose A. 2017. (55) Request for a binding decision on whether Briquetastrum Robyns & Lebrun (Lamiaceae) and Briquetiastrum Bovini (Malvaceae) are sufficiently alike to be confused. Taxon, 66(1): 216 doi:10.12705/661.35

Dorr, Laurence J., Stauffer, Fred W. and Rodriguez, Leyda 2017. Albert Mocquerys in Venezuela (1893-1894): A commercial collector of plants, birds, and insects. Harvard Papers in Botany, 22(1): 17-26. doi:10.3100/hpib.v22iss1.2017.n5

Rouhan, Germinal, Dorr, Laurence J., Gautier, Laurent, Clerc, Philippe, Muller, Serge and Gaudeul, Myriam 2017. The time has come for Natural History Collections to claim co-authorship of research articles. Taxon, 66(5): 1014-1016. doi:10.12705/665.2

Schuettpelz, Eric, Frandsen, Paul, Dikow, Rebecca B., Brown, Abel, Orli, Sylvia, Peters, Melinda, Metallo, Adam, Funk, Vicki and Dorr, Laurence J. 2017. Applications of deep convolutional neural networks to digitized natural history collections. Biodiversity Data Journal, 5 doi:10.3897/BDJ.5.e21139

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. 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.

Stergios, Basil, Caracas, Ramon, Dorr, Laurence J. and Nino, Santos M. 2015. A new species of Puya (Bromeliaceae) from the Venezuelan Andes. Acta Botanica Venezuelica, 38(2): 159-168.

Wen, Jun, Ickert-Bond, Stefanie, Appelhans, Marc S., Dorr, Laurence J. and Funk, Vicki Ann 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. Flora of Guaramacal (Venezuela): Monocotyledons. Smithsonian Contributions to Botany, 100: 1-289. doi:10.5479/si.19382812.100

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. 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

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