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Alan T Whittemore
Floral and Nursery Plants Research
Botanist

Phone: (202) 245-4550
Fax: (202) 245-5973
Room 133

U.S. NATIONAL ARBOETUM
3501 NEW YORK AVENUE, NE.
ADMINISTRATION
WASHINGTON , DC 200021958
Projects
Systematics, Nomenclature, and Genetic Diversity of Priority Genera of Woody Landscape Plants
In-House Appropriated (D)
  Accession Number: 434433
Characterization of Native Oak Germplasm of Horticultural Interest
Non-Assistance Cooperative Agreement (S)
  Accession Number: 429321
Characterization of Patterns of Genetic Diversity in North American Ashes (Fraxinus spp.)
Non-Assistance Cooperative Agreement (S)
  Accession Number: 430185

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Berberidaceae -
Menispermaceae -
Patterns and predictors of fleshy fruit phenology at five international botanical gardens -
Gallinat, A.S., Primack, R.B., Willis, C.G., Nordt, B., Stevens, A., Fahay, R., Whittemore, A.T., Du, Y., Panchen, Z.A. 2018. Patterns and predictors of fleshy fruit phenology at five international botanical gardens. American Journal of Botany. 105(11):1824-1834.
International registration of cultivar names for unassigned woody genera March 2013 - November 2016 -
What is Sambucus mexicana (Adoxaceae)? -
Whittemore, A.T. 2018. What is Sambucus mexicana (Adoxaceae)?. Journal of Botanical Research Institute of Texas. 12:69-73.
Ploidy variation in Fraxinus L. (Oleaceae) of eastern North America -
Whittemore, A.T., Campbell, J.J., Xia, Z., Carlson, C.H., Atha, D., Olsen, R.T. 2018. Ploidy variation in Fraxinus L. (Oleaceae) of eastern North America. International Journal of Plant Sciences. 179(5):377-389. Available: https://www.journals.uchicago.edu/doi/10.1086/696688.
Ranunculaceae -
Genome size variation in elms (Ulmus spp.) and related genera -
Whittemore, A.T., Xia, Z. 2017. Genome size variation in elms (Ulmus spp.) and related genera. HortScience. 52(4):547-553.
Typification of infrageneric names in Ulmus L. -
Whittemore, A.T. 2017. Typification of infrageneric names in Ulmus L.. Phytotaxa. 297:291-294.
Adoxaceae -
Ulmaceae for Flora of Missouri -
Whittemore, A.T. 2014. Ulmaceae for Flora of Missouri. Flora of Missouri. 1178-1192.
Leafing out phenology in woody plants of the Northern Hempisphere show phylogenetic, ecological and anatomical patterns -
Panchen, Z., Primack, R., Nordt, B., Ellwood, E., Stevens, A., Renner, S., Willis, C., Fahey, R., Whittemore, A.T., Du, Y., Davis, C. 2014. Leafing out phenology in woody plants of the Northern Hempisphere show phylogenetic, ecological and anatomical patterns. New Phytologist. DOI: 10.111/nph.12892.
Proposal to conserve the name Celtis glabrata Steven ex Planch. (Cannabaceae) with a conserved type -
Whittemore, A.T. 2012. Proposal to conserve the name Celtis glabrata Steven ex Planch. (Cannabaceae) with a conserved type. Taxon. 61:254-255.
Ulmus americana is a polyploid complex -
Whittemore, A.T., Olsen, R.T. 2011. Ulmus americana is a polyploid complex. Journal of Botanical Research Institute of Texas. 98(4):754-760.
Ranunculus -
Whittemore, A.T. 2012. Ranunculus. Jepson Manual of the Higher Plants of California, Ed. 2. pp. 1144-1150.
Validation of the hybrid flowering cherry Prunus xincam Ingram (Rosaceae) -
Olsen, R.T. and Whittemore, A.T. 2009. Validation of the hybrid flowering cherry Prunus xincam (Rosaceae). Novon. 19:490-493.
Myosurus -
Whittemore, A.T. 2012. Myosurus. Jepson Manual of the Higher Plants of California, Ed. 2. pp. 1142-1144.
Sapindaceae and Acer -
Whittemore, A.T. 2012. Sapindaceae and Acer. Jepson Manual of the Higher Plants of California, Ed. 2. pp. 1230-1231.
Moraceae -
Whittemore, A.T., Mcclintock, E. 2012. Moraceae. Jepson Manual of the Higher Plants of California, Ed. 2. pp. 910-911.
JUGLANDACEAE -
Whittemore, A.T. 2012. JUGLANDACEAE. Jepson Manual of the Higher Plants of California, Ed. 2. pp.832-833.
Pittosporaceae -
Mcclintock, E., Whittemore, A.T. 2012. Pittosporaceae. Jepson Manual of the Higher Plants of California, Ed. 2. pp. 1000-1001.
Cannabaceae (family description and keys) and Celtis -
Whittemore, A.T. 2012. Cannabaceae (family description and keys) and Celtis. Jepson Manual of the Higher Plants of California, Ed. 2. pp. 598-600.
Shepherdia -
Whittemore, A.T. 2012. Shepherdia. Jepson Manual of the Higher Plants of California, Ed. 2. pp. 682-684.
Ulmaceae -
Whittemore, A.T. 2012. Ulmaceae. Jepson Manual of the Higher Plants of California, Ed. 2. pp. 1260-1262.
What is Ranunculus gelidus? -
Whittemore, A.T. 2009. What is Ranunculus gelidus? Journal of Botanical Research Institute of Texas. 3:245-250.
Exotic Species of Celtis (Cannabaceae) in the Flora of North America -
Whittemore, A.T. 2008. Exotic species of Celtis (Cannabaceae) in the flora of North America. Journal of the Botanical Research Institute of Texas. 2:627-632.
Proposal to Reject the Name Ulmus Campestris L. (Ullmaceae) -
Whittemore, A.T. 2008. Proposal to reject the name Ulmus campestris (Ulmaceae). Taxon. 57:656-657.
HYBRIDIZATION AND SELF-COMPATIBILITY IN CELTIS: AFLP ANALYSIS OF CONTROLLED CROSSES -
Whittemore, A.T. and Townsend, A.H. 2007. Hybridization and self-compatibility in Celtis: AFLP analysis of controlled crosses. Journal of the American Society of Horticultural Science. 132:368-373.
Ranunclulaceae -
Parfitt, B.D., Whittemore, A.T. 2013. Ranunclulaceae. Flora of the San Juan Basin. 877-895.
ZINGIBERACEAE -
Whittemore, A.T. Zingiberaceae. The Jepson Manual: Higher Plants of California ed 2. vol. 13.
Hybridization, Invasiveness, and the Impact of Exotic Plants -
Hybridization, invasiveness, and the impact of exotic plants. Abstract for Meeting: Invasive Plant Conference: Research, Remove and Renewal, Philadelphia, PA, August 15, 2007.
Hybridization and Introgression in a Sympatric Pair of Oak Species (Fagaceae) Studied with Morphology and Chloroplast and Nuclear SSR Markers -
Whittemore, A.T. Hybridization and introgression in a sympatric pair of oak species (Fagaceae) studied with morphology and chloroplast and nuclear SSR markers. Abstract for Meeting: Joint Annual Meeting, American Society of Plant Biologists, American Society of Plant Taxonomists & Botanical Society of America.
The bryophytes of the Departments of Narino and Putumayo, Columbia: II. Hepatics and hornworts -
Ramirez, P., Whittemore, A.T., Churchill, S.P. 2007. The bryophytes of the Departments of Norina and Putumayo, Columbia: II. Hepatics and hornworts. The Bryologist. 111:363-549.
ITS EVOLUTION IN CELTIS (CANNABACEAE) -
Whittemore, A.T. 2006. ITS Evolution in Celtis (Cannabaceae). [abstract]. American Society of Plant Taxonomists Annual Meeting. p. 56.
PITTOSPORACEAE -
Whittemore, A.T. and McClintock, E. 2006. Pittosporaceae. Flora of North America. 13.
NOTES ON SOUTHWESTERN MORACEAE -
Whittemore, A.T. 2005. Notes on southwestern moraceae. Sida: Contributions to Botany. 22:769-775.
PROPOSAL TO REJECT THE NAME QUERCUS PRINUS (FAGACEAE) -
Whittemore, A.T., Nixon, K.C. 2005. Proposal to reject the name Quercus prinus L. (Fagaceae). Taxon. 54(1):213-214.
CAPRIFOLIACEAE -
Whittemore, A.T. 2006. Caprifoliaceae. In: Flora of Missouri. 2:765-794.
INTROGRESSION, GENETIC STRUCTURE, AND TAXONOMIC STATUS IN THE CELTIS LAEVIGATA - C. RETICULATA COMPLEX (CELTIDACEAE) -
Whittemore, A.T. Introgression, Genetic Structure, and Taxonomic Status in The Celtis Laevigata. Systematic Botany.
VALIDATION OF TWO INTERSPECIFIC HYBRID EPITHETS IN ILEX (AQUIFOLIACEAE) -
Whittemore, A.T. 2005. Validation of Two Name Ilex xaquipernyi J.B. Gable (Aquifoliacceae. Novon. 15:493-494.
IN SEARCH OF NEW PLANTS -
In search of new plants
JUGLANDACEAE -
Whittemore, A.T. 2014. JUGLANDACEAE. Flora of Missouri. 282-294.
ULMACEAE -
Fu, L., Yiqun, X., Whittemore, A.T. 2004. Ulmaceae for The Flora of China. Flora of China. v:5, pp:1-19.
SAWTOOTH OAK (QUERCUS ACUTISSIMA, FAGACEAE) IN NORTH AMERICA -
Whittemore, A.T. 2004. Sawtooth Oak (Quercus Acutissima, Fagaceae) in North America. Sida, Contributions to Botany. v:21, pp:447-454.
BETULACEAE FOR FLORA OF MISSOURI -
Whittemore, A.T. 2006. Betulaceae. In: Flora of Missouri. 2:607-614.
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