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Adjunct Professors
W. John Kress
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National Museum of Natural History West Loading Dock 10th and Constitution Ave, NW Washington, DC 20560-0166


 Systematic Biology: systematics of Heliconia and other Zingiberales, especially with regards to reproductive biology, allozyme and molecular variation, and cladistic relationships; generic concepts in the Zingiberales; phylogeny and evolution of the monocotyledons.`Evolutionary Biology: plant reproductive biology; the evolution of breeding and pollination systems; genetic diversity and speciation in tropical angiosperms.`Conservation Biology: forest fragmentation, gene flow, and genetic variation in tropical and temperate plant species.



Betts, Matthew G., Hadley, Adam S. and Kress, W. John 2015. Pollinator recognition by a keystone tropical plant. Proceedings of the National Academy of Sciences of the United States of America, 112(11): 3433-3438.doi:10.1073/pnas.1419522112

Chen, Juan, Zhao, Jietang, Erickson, David L., Xia, Nianhe and Kress, W. John2015. Testing DNA barcodes in closely related species of Curcuma(Zingiberaceae) from Myanmar and China. Molecular Ecology Resources, 15(2): 337-348. doi:10.1111/1755-0998.12319

Costion, Craig M., Simpson, Lalita, Pert, Petina L., Carlsen, Monica M., John Kress, W. and Crayn, Darren 2015. Will tropical mountaintop plant species survive climate change? Identifying key knowledge gaps using species distribution modelling in Australia. Biological Conservation, 191: 322-330.doi:10.1016/j.biocon.2015.07.022

García-Robledo, Carlos, Staines, Charles L. and Kress, W. John 2015. A new species of bromeliad-feeding Cephaloleia Chevrolat (Coleoptera, Chrysomelidae, Cassidinae) from Costa Rica: evidence from DNA barcodes, larval and adult morphology and insect diets. ZooKeys, 477: 143-155.doi:10.3897/zookeys.477.8220

Kartzinel, Tyler R., Chen, Patricia A., Coverdale, Tyler C., Erickson, David L., Kress, W. John, Kuzmina, Maria L., Rubenstein, Daniel I., Wang, Wei and Pringle, Robert M. 2015. DNA metabarcoding illuminates dietary niche partitioning by African large herbivores. Proceedings of the National Academy of Sciences,doi:10.1073/pnas.1503283112

Kress, W. J., García-Robledo, Carlos, Uriarte, Maria and Erickson, David L. 2015.DNA barcodes for ecology, evolution, and conservation. Trends in Ecology & Evolution, 30(1): 25-35. doi:10.1016/j.tree.2014.10.008

Lemoine, Nathan P., Shue, Jessica, Verrico, Brittany, Erickson, David L., Kress, W. John and Parker, John D. 2015. Phylogenetic relatedness and leaf functional traits, not introduced status, influence community assembly. Ecology,doi:10.1890/14-1883.1

Pei, Nan-Cai, Kress, W. John, Chen, Bu-Feng, Erickson, David L., Wong, Khoon Meng, Zhang, Jin-Long, Ye, Wan-Hui, Huang, Zhong-Liang and Zhang, Dian-Xiang 2015. Phylogenetic and climatic constraints drive flowering phenological patterns in a subtropical nature reserve. Journal of Plant Ecology, 8(2): 187-196. doi:10.1093/jpe/rtv009

Shapcott, Alison, Forster, Paul I., Guymer, Gordon P., McDonald, William J. F., Faith, Daniel P., Erickson, David L. and Kress, W. John 2015. Mapping Biodiversity and Setting Conservation Priorities for SE Queensland's Rainforests Using DNA Barcoding. PloS One, 10(3) doi:10.1371/journal.pone.0122164

Zhao, Jian-Li, Xia, Yong-Mei, Cannon, Charles H., Kress, W. John and Li, Qing-Jun 2015. Evolutionary diversification of alpine ginger reflects the early uplift of the Himalayan–Tibetan Plateau and rapid extrusion of Indochina. Gondwana Research, doi:10.1016/j.gr.2015.02.004

Erickson, David L., Jones, Frank A., Swenson, Nathan G., Pei, Nancai, Bourg, Norman, Chen, Wenna, Davies, Stuart James, Ge, Xue-jun, Hao, Zhanqing, Howe, Robert W., Huang, Chun Lin, Larson, Andrew J., Lum, Shawn K., Lutz, James, Ma, Keping, Meegaskumbura, Madhava, Mi, Xiangcheng, Parker, John D., Sun, I. Fang, Wright, S. Joseph, Wolf, Amy T., Xing, Dinglian, Zimmerman, Jess K. and Kress, W. John 2014. Comparative evolutionary diversity and phylogenetic structure across multiple forest dynamics plots: a mega-phylogeny approach.Frontiers in Genetics, 5: 358 doi:10.3389/fgene.2014.00358

Lasky, Jesse R., Uriarte, María, Boukili, Vanessa K., Erickson, David L., John Kress, W. and Chazdon, Robin L. 2014. The relationship between tree biodiversity and biomass dynamics changes with tropical forest succession.Ecology Letters, 17(9): 1158-1167. doi:10.1111/ele.12322

Lasky, Jesse R., Uriarte, María, Boukili, Vanessa K., Erickson, David L., Kress, W. John and Chazdon, Robin L. 2014. Corrigendum to "The relationship between tree biodiversity and biomass dynamics changes with tropical forest succession".Ecology Letters, 17(11): 1478 doi:10.1111/ele.12370

Martin, Adam R., Erickson, David L., Kress, W. John and Thomas, Sean C. 2014.Wood nitrogen concentrations in tropical trees: phylogenetic patterns and ecological correlates. New Phytologist, 204(3): 484-495. doi:10.1111/nph.12943

Muscarella, Robert, Uriarte, María, Erickson, David L., Swenson, Nathan G., Zimmerman, Jess K. and Kress, W. John 2014. A well-resolved phylogeny of the trees of puerto rico based on DNA barcode sequence data. PloS One, 9(11): 1-11. doi:10.1371/journal.pone.0112843

Côrtes, Marina C., Uriarte, María, Lemes, Maristerra R., Gribel, Rogério, Kress, W. John, Smouse, Peter E. and Bruna, Emilio M. 2013. Low plant density enhances gene dispersal in the Amazonian understory herb Heliconia acuminata. Molecular Ecology, 22(22): 5716-5729. doi:10.1111/mec.12495

García-Robledo, Carlos, Erickson, David L., Staines, Charles L., Erwin, Terry L. and Kress, W. John 2013. Tropical Plant–Herbivore Networks: Reconstructing Species Interactions Using DNA Barcodes. Plos One, 8(1): e52967doi:10.1371/journal.pone.0052967

García-Robledo, Carlos, Kuprewicz, Erin K., Staines, Charles L., Kress, W. John and Erwin, Terry L. 2013. Using a comprehensive DNA barcode library to detect novel egg and larval host plant associations in a Cephaloleia rolled-leaf beetle (Coleoptera: Chrysomelidae). Biological Journal of the Linnean Society, 110(1): 189-198. doi:10.1111/bij.12115

Gowda, Vinita and Kress, W. John 2013. A Geographic Mosaic of Plant–Pollinator Interactions in the Eastern Caribbean Islands. Biotropica, 45(2): 224-235.doi:10.1111/j.1744-7429.2012.00915.x

Swenson, Nathan G., Mi, Xiangcheng, Kress, W. John, Thompson, Jill, Uriarte, María and Zimmerman, Jess K. 2013. Species-time-area and phylogenetic-time-area relationships in tropical tree communities. Ecology and Evolution, 3(5): 1173-1183. doi:10.1002/ece3.526

Temeles, Ethan J., Rah, Y. J., Andicoechea, J., Byanova, K. L., Giller, G. S. J., Stolk, S. B. and Kress, W. John 2013. Pollinator-mediated selection in a specialized hummingbird-Heliconia system in the Eastern Caribbean. Journal of Evolutionary Biology, 26(2): 347-356. doi:10.1111/jeb.12053

Cron, Glynis V., Pirone, Cary, Bartlett, Madelaine, Kress, W. John and Specht, Chelsea 2012. Phylogenetic Relationships and Evolution in the Strelitziaceae (Zingiberales). Systematic Botany, 37(3): 606-619.doi:10.1600/036364412X648562

Erickson, David L. and Kress, W. John 2012. Future directions. In: DNA Barcodes: Methods and Protocols. Humana Press,(Methods in molecular biology) pp.459-465.

Gowda, Vinita, Erickson, David L. and Kress, W. John 2012. Development and characterization of microsatellite loci for two Caribbean Heliconia (Heliconiaceae: H. bihai and H. caribaea). American Journal of Botany, 99(2): e81-e83.

Gowda, Vinita, Kress, W. John and Htun, Thet 2012. Two new species of Gingers (Zingiberaceae) from Myanmar. Phytokeys, 13: 5-14.doi:10.3897/phytokeys.13.2670

Gowda, Vinita, Temeles, Ethan J. and Kress, W. John 2012. Territorial Fidelity to Nectar Sources by Purple-throated Caribs, Eulampis Jugularis. The Wilson Journal of Ornithology, 124(1): 81-86. doi:10.1676/11-061.1

Kress, W. J. and Erickson, David L. 2012. DNA barcodes: methods and protocols. In: DNA Barcodes: Methods and Protocols. Humana Press,(Methods in molecular biology) pp.3-8.

Kress, W. J., Lopez, Ida C. and Erickson, David L. 2012. Generating Plant DNA Barcodes for Trees in Long-Term Forest Dynamics Plots. In: Kress, W. J. and Erickson, David L., DNA Barcodes. Humana Press,(Methods in Molecular Biology) pp.441-458.

Mi, Xiangcheng, Swenson, Nathan G., Valencia, Renato, Kress, W. John, Erickson, David L., Perez, Alvaro J., Ren, Haibao, Su, Sheng-Hsin, Gunatilleke, Nimal, Gunatilleke, Savi, Hao, Zhanqing, Ye, Wanhui, Cao, Min, Suresh, H. S., Dattaraja, H. S., Sukumar, R. and Ma, Keping 2012. The Contribution of Rare Species to Community Phylogenetic Diversity across a Global Network of Forest Plots. American Naturalist, 180(1): E17-E30.

Nicole, Silvia, Negrisolo, Enrico, Eccher, Giulia, Mantovani, Roberto, Patarnello, Tomaso, Erickson, David L., Kress, W. John and Barcaccia, Gianni 2012. DNA Barcoding as a Reliable Method for the Authentication of Commercial Seafood Products. Food Technology and Biotechnology, 50(4): 387-398.

Specht, Chelsea D., Yockteng, Roxana, Almeida, Ana Maria, Kirchoff, Bruce K. and Kress, W. John 2012. Homoplasy, Pollination, and Emerging Complexity During the Evolution of Floral Development in the Tropical Gingers (Zingiberales).Botanical Review, 78(4): 440-462.

Swenson, Nathan G., Erickson, David L., Mi, Xiangcheng, Bourg, Norman Alan, Forero-Montana, Jimena, Ge, Xuejun, Howe, Robert, Lake, Jeffrey K., Liu, Xiaojuan, Ma, Keping, Pei, Nancai, Thompson, Jill, Uriarte, María, Wolf, Amy T., Wright, S. Joseph, Ye, Wanhu, Zhang, Jinlong, Zimmerman, Jess and Kress, W. John 2012. Phylogenetic and Functional Alpha and Beta Diversity in Temperate and Tropical Tree Communities. Ecology, 93(8): S112-S125. doi:10.1890/11-0402.1

Swenson, Nathan G., Stegen, James C., Davies, Stuart James, Erickson, David L., Forero-Montaña, Jimena, Hurlbert, Allen H., Kress, W. John, Thompson, Jill, Uriarte, María, Wright, S. Joseph and Zimmerman, Jess K. 2012. Temporal turnover in the composition of tropical tree communities: functional determinism and phylogenetic stochasticity. Ecology, 93(3): 490-499. doi:10.1890/11-1180.1

Fleming, Theodore H. and Kress, W. John 2011. A brief history of fruits and frugivores. Acta Oecologica, 37(6): 521-530. doi:10.1016/j.actao.2011.01.016

Gagnon, Paul R., Bruna, Emilio M., Rubim, Paulo, Darrigo, Maria Rosa, Littell, Ramon C., Uriarte, Maria and Kress, W. John 2011. Growth of an understory herb is chronically reduced in Amazonian forest fragments. Biological Conservation, 144(2): 830-835. doi:10.1016/j.biocon.2010.11.015

Jones, F. A., Erickson, David L., Bernal, Moises A., Bermingham, Eldredge, Kress, W. John, Herre, Edward Allen, Muller-Landau, Helene C. and Turner, Benjamin L.2011. The Roots of Diversity: Below Ground Species Richness and Rooting Distributions in a Tropical Forest Revealed by DNA Barcodes and Inverse Modeling. Plos One, 6(9): 1-10. doi:10.1371/journal.pone.0024506

Kress, W. J. and Penev, Lyubomir 2011. Innovative electronic publication in plant systematics: PhytoKeys and the changes to the "Botanical Code" accepted at the XVIII International Botanical Congress in Melbourne. PhytoKeys, 6: 1-4.

Martén-Rodríguez, Silvana, Kress, W. John, Temeles, Ethan J. and Meléndez-Ackerman, Elvia 2011. 
Plant–pollinator interactions and floral convergence in two species of Heliconia from the Caribbean Islands. Oecologia, 167(4): 1075-1083.doi:10.1007/s00442-011-2043-8

Nicolè, Silvia, Erickson, David L., Ambrosi, Daria, Bellucci, Elisa, Lucchin, Margherita, Papa, Roberto, Kress, W. John and Barcaccia, Gianni 2011. Biodiversity studies in Phaseolus species by DNA barcoding. Genome, 54(7): 529-545. doi:10.1139/g11-018

Pei, Nancai, Lian, Ju-Yu, Erickson, David L., Swenson, Nathan G., Kress, W. John, Ye, Wan-Hui and Ge, Xue-Jun 2011. Exploring Tree-Habitat Associations in a Chinese Subtropical Forest Plot Using a Molecular Phylogeny Generated from DNA Barcode Loci. Plos One, 6(6): 1-9. doi:10.1371/journal.pone.0021273

Penev, Lyubomir, Stoev, Pavel, Kress, W. John, Knapp, S. and Erwin, Terry L.2011. Cybertaxonomy, semantic markup and semantic enhancements: The PhytoKeys and ZooKeys experience. South African Journal of Botany, 77(2): 560

Westbrook, Jared W., Kitajima, Kaoru, Burleigh, J. Gordon, Kress, W. John, Erickson, David L. and Wright, S. Joseph 2011. What Makes a Leaf Tough? Patterns of Correlated Evolution between Leaf Toughness Traits and Demographic Rates among 197 Shade-Tolerant Woody Species in a Neotropical Forest. American Naturalist, 177(6): 800-811.

Whitfeld, T. J. S., Kress, W. John, Erickson, David L. and Weiblen, G. D. 2011. Change in community phylogenetic structure during tropical forest succession: evidence from New Guinea. Ecography, 35(9): 821-830. doi:10.1111/j.1600-0587.2011.07181.x

Zhang, Z. Q., Kress, W. John, Xie, W. J., Ren, P. Y., Gao, J. Y. and Li, Q. J.2011. Reproductive biology of two Himalayan alpine gingers (Roscoea spp., Zingiberaceae) in China: pollination syndrome and compensatory floral mechanisms. Plant Biology, 13(4): 582-589. doi:10.1111/j.1438-8677.2010.00423.x

Kress, W. J., Erickson, David L., Swenson, Nathan G., Thompson, Jill, Uriarte, Maria and Zimmerman, Jess K. 2010. Advances in the Use of DNA Barcodes to Build a Community Phylogeny for Tropical Trees in a Puerto Rican Forest Dynamics Plot. PLoS ONE, 5(11): e15409 doi:10.1371/journal.pone.0015409

Kress, W. J., Mood, John, Sabu, Mamiyil, Prince, Linda, Dey, Santanu and Sanoj, E. 2010. Larsenianthus , a New Asian Genus of Gingers (Zingiberaceae) with Four Species. Phytokeys, 1: 15-32.

Liu, Ai-Zhong, Kress, W. John and Li, De-Zhu 2010. Phylogenetic analyses of the banana family (Musaceae) based on nuclear ribosomal (ITS) and chloroplast (trnL-F) evidence. Taxon, 59(1): 20-28.

Penev, Lyubomir, Kress, W. John, Knapp, Sandra, Li, De-Zhu and Renner, Susanne S. 2010. 
Fast, linked, and open – the future of taxonomic publishing for plants: launching the journal PhytoKeys. Phytokeys, 1(1-14)doi:10.3897/phytokeys.1.642

Schreeg, Laura A., Kress, W. John, Erickson, David L. and Swenson, Nathan G.2010. Phylogenetic Analysis of Local-Scale Tree Soil Associations in a Lowland Moist Tropical Forest. Plos One, 5(10): e13685doi:10.1371/journal.pone.0013685

Temeles, Ethan J. and Kress, W. John 2010. Mate choice and mate competition by a tropical hummingbird at a floral resource. Proceedings of the Royal Society (London) B, 277: 1607-1613.

Uriarte, María, Swenson, Nathan G., Chazdon, Robin L., Comita, Liza S., Kress, W. John, Erickson, David L., Forero-Montaña, Jimena, Zimmerman, Jess K. and Thompson, Jill 2010. Trait similarity, shared ancestry and the structure of neighbourhood interactions in a subtropical wet forest: implications for community assembly. Ecology Letters, 13(12): 1503-1514.

Yu, F., Kress, W. John and Gao, J. Y. 2010. Morphology, distribution, and chromosome counts of two varieties of Hedychium villosum (Zingiberaceae).Journal of Systematics and Evolution, 48(5): 344-349. doi:10.1111/j.1759-6831.2010.00094.x

Cortes, M. C., Gowda, V., Kress, W. John, Bruna, Emilio M. and Uriarte, M. 2009. Characterization of 10 microsatellite markers for the understorey Amazonian herb Heliconia acuminata. Molecular Ecology Resources, 9(4): 1261-1264.doi:10.1111/j.1755-0998.2009.02627.x

Dick, Christopher W. and Kress, W. John 2009. Dissecting Tropical Plant Diversity with Forest Plots and a Molecular Toolkit. Bioscience, 59(9): 745-755.doi:10.1525/bio.2009.59.9.6

Fleming, Theodore H., Geiselman, Cullen and Kress, W. John 2009. The Evolution of Bat Pollination: a Phylogenetic Perspective. Annals of Botany, 104(6): 1017-1043. doi:10.1093/aob/mcp197

Hollingsworth, Peter M., Forrest, Laura L., Spouge, John L., Hajibabaei, Mehrdad, Ratnasingham, Sujeevan, van der Bank, Michelle, Chase, Mark W., Cowan, Robyn S., Erickson, David L., Fazekas, Aron J., Graham, Sean W., James, Karen E., Kim, Ki-Joong, Kress, W. John, Schneider, Harald, van AlphenStahl, Jonathan, Barrett, Spencer C. H., van den Berg, Cassio, Bogarin, Diego, Burgess, Kevin S., Cameron, Kenneth M., Carine, Mark, Chacón, Juliana, Clark, Alexandra, Clarkson, James J., et al 2009. A DNA barcode for land plants. Proceedings of the National Academy of Sciences of the United States of America, 106(31): 12794-12797.doi:10.1073/pnas.0905845106

Kress, W. J. and Betancur, Julio 2009. A New Species of Heliconia (Heliconiaceae) from the Choco Region of Colombia. Caldasia, 31(1): 99-104.

Kress, W. J., Erickson, David L., Andrew Jones, F., Swenson, Nathan G., Perez, Rolando, Sanjur, Oris I. and Bermingham, Eldredge 2009. 
Plant DNA Barcodes and a Community Phylogeny of a Tropical Forest Dynamics Plot in Panama.Proceedings of the National Academy of Sciences of the United States of America, 106(44): 18621-18626. doi:10.1073/pnas.0909820106

Krupnick, Gary A., Kress, W. John and Wagner, Warren L. 2009. Achieving Target 2 of the Global Strategy for Plant Conservation: building a preliminary assessment of vascular plant species using data from herbarium specimens.Biodiversity and Conservation, 18(6): 1459-1474. doi:10.1007/s10531-008-9494-1

Temeles, Ethan J., Koulouris, Carolyn R., Sander, Sarah E. and Kress, W. John2009. Effect of flower shape and size on foraging performance and trade-offs in a tropical hummingbird. Ecology, 90(5): 1147-1161. doi:10.1890/08-0695.1

Erickson, David L., Spouge, John, Resch, Alissa, Weigt, Lee A. and Kress, W. John 2008. DNA barcoding in land plants: developing standards to quantify and maximize success. Taxon, 57(4): 1304-1316.

Gowda, Vinita and Kress, W. John 2008. Nectar characteristics of two Eastern Caribbean Heliconias (Heliconia: Heliconiaceae. Heliconia Society International Bulletin, 14(4): 6-10.

Kress, W. J. and Erickson, David L. 2008. DNA barcodes: Genes, genomics, and bioinformatics. Proceedings of the National Academy of Sciences of the United States of America, 105(8): 2761-2762.

Kress, W. J. and Erickson, David L. 2008. DNA barcoding - a windfall for tropical biology?. Biotropica, 40(4): 405-408. doi:10.1111/j.1744-7429.2008.00426.x

Andersson, L. L., Kress, W. John and Maas, P. J. M. 2007. Heliconiaceae. In: Funk, Vicki A., Hollowell, T., Berry, P. E., Kelloff, Carol L. and Alexander, Sara N.,Checklist of the Plants of the Guiana Shield (Venezuela: Amazonas, Bolivar, Delta Amacuro; Guyana, Surinam, French Guiana). Washington D. C.: Smithsonian Institution,(Contributions from the United States National Herbarium) pp.110

Agarwal, G., Ling, H., Jacobs, D., Shirdhonkar, S., Kress, W. John, Russell, R., Bourg, Norman, Belhumer, P., Dixit, N., Feiner, S., Mahajan, D., Sunkavalli, K., Ramamoorthi, R. and White, S. 2006. 
First steps toward an electronic field guide for plants. Taxon, 55: 597-610.

Cowan, R. S., Chase, Mark W., Kress, W. John and Savolainen, V. 2006. 300,000 species to identify: problems, progress, and prospects in DNA barcoding of land plants. Taxon, 55: 611-616.

Kress, W. J. and Krupnick, Gary A. 2006. The future of floras: new frameworks, new technologies, new uses. Taxon, 55: 579-580.

Prince, L. M. and Kress, W. John 2006. Phylogenetic relationships in the Prayer Plant Family (Marantaceae): Insight from plastid DNA sequence data. Taxon, 55: 281-296.

Bordelon, M. and Kress, W.J. 2005. Tropical Ginger Cultivation in North American Temperate Climates. Sibbaldia, 3: 83-91.

Bruna, Emilio M. and Kress, W. John 2005. Forest fragmentation and tropical plant-animal interactions in Brazil. In: Krupnick, Gary A. and Kress, W. John,Plant conservation: a natural history approach. : ,() pp.141-146.

Funakoshi, H., Kress, W.J., Skornickova, J., Liu, A. and Inoue, K. 2005. . Return from the lost: rediscovery of the presumed extinct Leptosolena (Zingiberaceae) in the Philippines and its phylogenetic placement in gingers. Acta Phytotaxonomica et Geobotanica, 56: 41-53.

Givnish, T. J., Pires, J. C., Graham, S. W., McPherson, M. A., Prince, L. M., Patterson, T. B., Rai, H. S., Roalson, E. H., Evans, T. M., Hahn, W. J., Meerow, A. W., Molvray, M., Kores, P. J., O'Brien, H. E., Hall, J. C., Kress, W. John and Sytsma, Kenneth J. 2005. Repeated evolution of net venation and fleshy fruits among monocots in shaded habitats confirms a priori predictions: evidence from an ndhF phylogeny. Proceedings of the Royal Society (London) B, 272: 1481-1490.

Kress, W. J. and Funk, Vicki A. 2005. Herbarium collections, floras, and checklists. In: Krupnick, Gary A. and Kress, W. John, Plant Conservation: A natural history approach. : ,() pp.209-218.

Kress, W. J. and Funk, Vicki A. 2005. Herbarium, floras, and checklists. In: Krupnick, Gary A. and Kress, W. John, Plant conservation: a natural history approach. : ,() pp.209-217.

Kress, W. J. and Horvitz, C. 2005. Habitat alteration in the Caribbean: natural and human-induced. In: Krupnick, Gary A. and Kress, W. John, Plant conservation: a natural history approach. : ,() pp.147-150.

Kress, W. J. and Krupnick, Gary A. 2005. Conclusions: Documenting and conserving plant diversity in the future. In: Krupnick, Gary A. and Kress, W. John, Plant Conservation: A Natural History Approach. : ,() pp.313-318.

Kress, W. J., Liu, A. Z., Newman, M. and Li, Q. J. 2005. The molecular phylogeny of Alpinia (Zingiberaceae): a complex and polyphyletic genus of gingers.American Journal of Botany, 92: 167-178.

Kress, W. J. and Specht, C. D. 2005. Between Cancer and Capricorn: phylogeny, evolution, and ecology of the tropical Zingiberales. In: Friis, I. and Balslev, Henrik, Proceedings of a symposium on plant diversity and Proceedings of a symposium on plant diversity and complexity patterns -- local, regional and global dimensions. pp.459-478.

Kress, W. J., Wurdack, Kenneth J., Zimmer, Elizabeth Anne, Weigt, Lee A. and Janzen, Daniel H. 2005. Use of DNA barcodes to identify flowering plants.Proceedings of the National Academy of Sciences of the United States of America, 102: 8369-8374.

Krupnick, Gary A. and Kress, W. John 2005. Plant Conservation: A Natural History Approach : University of Chicago Press. (; ) 346 pages.

Liu, A. Z. and Kress, W. John 2005. The Gaoligong Moutains of Southwest China and Northeast Myanmar. In: Krupnick, Gary A. and Kress, W. John, Plant conservation: a natural history approach. : ,() pp.86-92.

Meléndez-Ackerman, E.J., Speranza, P., Kress, W.J., Rohena, L., Toledo, E., Cort, s.,C., Treece, D., Gitzendanner, M., Soltis, P.S. and Soltis, D.E. 2005. Microevolutionary processes inferred from AFLP and morphological variation in Heliconia bihai (Heliconiaceae). International journal of plant sciences, 166: 781-794.

ten Kate, K. and Kress, W. John 2005. Laws and treaties: is the Convention on Biological Diversity protecting plant diversity?. In: Krupnick, Gary A. and Kress, W. John, Plant conservation: a natural history approach. : ,() pp.286-293.

Barkley, T. M., DePriest, Paula T., Funk, Vicki A., Kiger, R. W., Kress, W. John, McNeill, J., Moore, G., Nicolson, Dan H., Stevenson, D. Wm, Wheeler, Q. D. and Wheeler, Q. D. 2004. 
A review of the International Code of Botanical Nomenclature with respect to its compatibility with phylogenetic classification.Taxon, 53: 159-161.

Barkley, T. M., DePriest, Paula T., Funk, Vicki A., Kiger, R. W., Kress, W. John and Moore, G. 2004. 
Linnaean nomenclature in the 21st Century: a report from a workshop on integrating traditional nomenclature and phylogenetic classification.Taxon, 53: 153-158.

Bawa, K. S., Kress, W. John, Nadkarni, N. M. and Lele, S. 2004. Beyond paradise - meeting the challenge in tropical biology in the 21st Century. Biotropica, 36: 437-446.

Bawa, K. S., Kress, W. John, Nadkarni, N. M., Lele, S., Raven, Peter H., Janzen, Daniel H., Lugo, A. E., Ashton, Peter S. and Lovejoy, Thomas E. 2004. Tropical Ecosystems into the 21st Century. Science, 306: 227-228.

Bruna, Emilio M., Kress, W. John, Marques, Francisco and da Silva, Osmaildo Ferreira 2004. Heliconia acuminata reproductive success is independent of local floral density. Acta Amazonica, 34: 467-471.

Kress, W. J. 2004. Paper floras: how long will they last? A review of Flowering Plants of the Neotropics. American Journal of Botany, 91: 2124-2127.

Miller, Scott E., Kress, W. John and Samper, Cristian K. 2004. 
Crisis for biodiversity collections. Science, 303: 310

Moore, G., Barkley, T. M., DePriest, Paula T., Funk, Vicki A., Kiger, R. W., Kress, W. John, McNeill, J., Nicolson, Dan H., Stevenson, D. Wm and Wheeler, Q. D.2004. 
(065-067) Proposals to amend Article 3.1, Article 22.3, and Article 26.3.Taxon, 53: 214

Williams, K. J., Kress, W. John and Manos, P. S. 2004. Appendages do matter: the phylogeny, evolution and classification of the genus Globba and tribe Globbeae (Zingiberaceae). American Journal of Botany, 91: 100-114.

Xia, Y. M., Kress, W. John and Prince, L. M. 2004. Phylogenetic analyses of Amomum (Alpinioideae: Zingiberaceae) using ITS and matK DNA sequence data.Systematic Botany, 29: 334-344.

Kress, W. J., DeFilipps, Robert A., Farr, E. and Yin Yin Kyi, D. 2003. A checklist of the trees, shrubs, herbs, and climbers of Myanmar (revised from the original works by J. H. Lace, R. Rodger, H. G. Hundley and U Chit Ko Ko on the "List of trees, shrubs, herbs and principal climbers etc. recorded from Burma").Contributions from the United States National Herbarium, 45: 1-590.

Kress, W. J., Prince, L. M. and Williams, K. J. 2003. The phylogeny and a new classification of the gingers (Zingiberaceae): evidence from molecular data.American Journal of Botany, 89: 1682-1696.

Kress, W.J. and Thet, H. 2003. A second species of Smithatris (Zingiberaceae) from Myanmar. Novon, 13: 68-71.

Krupnick, Gary A. and Kress, W. John 2003. Hotspots and ecoregions: a test of conservation priorities using taxonomic data. Biodiversity and Conservation, 12: 2237-2253.

Liu, A.Z., Kress, W.J. and Long, C.L. 2003. The ethnobotany of Musella lasiocarpa (Musaceae), an endemic plant of southwest China. Economic Botany, 57: 279-281.

Rehse, T. and Kress, W. John 2003. Distichochlamys rubrostriata (Zingiberaceae), a new species of tropical ginger from Northern Vietnam.Brittonia, 55: 205-208.

Temeles, Ethan J. and Kress, W. John 2003. Evidence for adaptation in a plant-hummingbird association. Science, 300: 630-633.

Williams, K. J., Kress, W. John and Thet, Htun 2003. A striking new epiphytic Hedychium (Zingiberaceae) from Myanmar with a discussion of several anomalous related genera. Edinburgh Journal of Botany, 60: 43-48.

Bruna, Emilio M. and Kress, W. John 2002. 
Habitat Fragmentation and the Demographic Structure of an Amazonian Understory Herb (Heliconia Acuminata).Conservation Biology, 16(5): 1256-1266.

Kress, W.J. 2002. Globalization and botanical inventory. In: Watanabe, T., Takano, A., Bista, M.S. and Saiju, H.K., Proceedings of the Nepal-Japan Joint Symposium on Ÿ_oThe Himalayan plants, Can they save us?Ÿ__. pp.6-8.

Kress, W. J. and DePriest, Paula T. 2002. Linnaeus visits the 21st Century.Taxon, 51: 5-6.

Kress, W. J., O'Connor, J. D. and DePriest, Paula T. 2002. The globalization of nature. Science, 296: 1612

Li, Q.J., Kress, W.J., Zu, Z.F., Xia, Y.M., Zhang, L., Deng, X.B. and Gao, J.Y.2002. Stigmatic behavior and the pollination biology of Alpinia kwangsiensis (Zingiberaceae). Plant Systematics and Evolution, 232: 123

Liu, A. Z., Li, Dazhou, Wang, H. and Kress, W. John 2002. Ornithophilous and chiropterophilous pollination in Musa itinerans (Musaceae), a pioneer species in tropical rain forests in Yunnan, SW China. Biotropica, 34: 254-260.

Barrett, G.W. and Kress, W.J. 2001. Introduction: The new revolution in biology. In: Kress, W.J. and Barrett, G.W., A new century of biology. pp.1-8.

Kress, W.J. 2001. Heliconiaceae. Flora de Nicaragua.Monographs in Systematic Botany, 85: 1132-1139.

Kress, W.J. and Barrett, G.W. 2001. Preface: A new century of biology. In: Kress, W.J. and Barrett, G.W., A new century of biology. pp.xi-xiii.

Kress, W.J. and Barrett, G.W. 2001. A New Century of Biology Smithsonian Institution Press in association with the American Institute of Biological Sci. 159 pages.

Kress, W. J. and DePriest, Paula T. 2001. What's in a PhyloCode name?. Science, 292: 52

Kress, W. J. and Larsen, K. 2001. Smithatris, a new genus of Zingiberaceae from Southeast Asia. Systematic Botany, 26: 226-230.

Kress, W. J., Miller, Scott E., Krupnick, Gary A. and Lovejoy, Thomas E. 2001. Museum collections and conservation efforts. Science, 291: 828-829.

Kress, W. J., Prince, L. M., Hahn, W. J. and Zimmer, Elizabeth Anne 2001. Unraveling the evolutionary radiation of the families of the Zingiberales using morphological and molecular evidence. Systematic Biology, 50: 926-944.

Li, Q. J., Zu, Z. F., Kress, W. John, Xia, Y. M., Zhang, L., Deng, X. B., Gao, J. Y. and Bai, Z. L. 2001. Flexible style that encourages outcrossing. Nature, 410: 432

Specht, C. D., Kress, W. John, Stevenson, D. W. and DeSalle, R. 2001. A molecular phylogeny of Costaceae (Zingiberales). Molecular Phylogenetics and Evolution, 21: 333-345.

Kress, W.J. and Prince, L.M. 2000. Family 218. Cannaceae Jussieu. In: Flora of North America Editorial Committee, Flora of North America North of Mexico.pp.22

Kress, W.J. and Whittemore, A.T. 2000. Family 215. Heliconiaceae (A. Richard) Nakai. In: Flora of North America Editorial Committee, Flora of North America North of Mexico. pp.22

Soltis, D. E., Soltis, P. S., Chase, Mark W., Mort, M. E., Albach, D. C., Zanis, M., Savolainen, V., Hahn, W. H., Hoot, S. B., Fay, M. F., Axtell, M., Swensen.S.M., Prince, L. M., Kress, W. John, Nixon, K. C. and Farris, J. S. 2000. Angiosperm phylogeny inferred from 18S rDNA, rbcL, and atpB sequences. Botanical Journal of the Linnean Society, 133: 381-461.

Teece, M. A., Tuross, Noreen C., Kress, W. John, Peterson, Paul M., Russell, G. and Fogel, Marilyn L. 2000. Preservation of proteins in museum herbarium samples. In: Goodfriend, G. A., Collins, Martin J., Fogel, Marilyn L., Macko, S. A. and Wehmiller, J., Perspectives in Amino Acid and Protein Geochemistry. pp.83-87.

Wilf, Peter, Labandeira, Conrad C., Kress, W. John, Staines, Charles L., Windsor, Donald M., Allen, A. L. and Johnson, Kirk R. 2000. 
Timing the radiations of leaf-beetles: Hispines on gingers from Latest Cretaceous to Recent. Science, 289: 291-294.

Heyer, W. R., Coddington, Jonathan A., Kress, W. John, Acevedo-Rodríguez, Pedro, Cole, Daniel, Erwin, Terry L., Meggers, Betty J., Pogue, Michael G., Thorington, Richard W., Jr., Vari, Richard P., Weitzman, Marilyn J. and Weitzman, Stanley H. 1999. 
Amazonian biotic data and conservation decisions. Ciência e Cultura Sao Paulo, 51(5-6): 372-385.

Kress, W.J., Betancur, J. and Echeverry, B. 1999. Heliconias - Llamaradas de la selva colombiana Cristina Uribe Editores. 200 pages.

Pedersen, L.B. and Kress, W.J. 1999. Honeyeater (Meliphagidae) pollination and the floral biology of Polynesian Heliconia (Heliconiaceae). Plant Systematics and Evolution, 216: 1-21.

Kress, W. J., Heyer, W. Ronald, Acevedo-Rodríguez, Pedro, Coddington, Jonathan A., Cole, D., Erwin, Terry L., Meggers, Betty J., Pogue, Michael G., Thorington, Richard W., Jr., Vari, Richard P., Weitzman, Marilyn J. and Weitzman, Stanley H. 1998. 
Amazonian biodiversity: Assessing conservation priorities with taxonomic data. Biodiversity and Conservation, 7(12): 1577-1587.

Jaramillo, Maria A. and Kress, W. John 1997. Phylogenetic relationships of the genera of the Family Costaceae. Heliconia Society International Bulletin, 9(1): 5-8.

Kress, W.J. 1997. A synopsis of the genus Heliconia (Heliconiaceae) in Venezuela with one new variety. BioLlania, Edición Especial, 6: 407-430.

Kress, W.J. 1997. Phylogeny of the Zingberanae: morphology and molecules. In: Wu, L., Wu, G. and Chen, Y., Proceedings of the Second Symposium on the Family Zingiberaceae. pp.122-141.

Soltis, D. E., Soltis, P. S., Nickrent, D. L., Johnson, L. A., Hahn, W. J., Hoot, S. B., Sweere, J. A., Kuzoff, R. K., Kron, K. A., Chase, Mark W., Swensen.S.M., Zimmer, Elizabeth Anne, Chaw, S. M., Gillespie, L. J., Kress, W. John and Sytsma, Kenneth J. 1997. Angiosperm phylogeny inferred from 18S ribosomal DNA sequences. Annals of the Missouri Botanical Garden, 84: 1-49.

Kress, W. J. 1996. Review of: Diversity and Evolutionary Biology of Tropical Flowers. Quart.Rev.Biol., 71: 124-125.

Luther, H. E. and Kress, W. John 1996. Two overlooked species of Guzmaniafrom Central America and a discussion of Massangea. Brittonia, 48: 91-95.

Roesel, C.S., Kress, W.J. and Bowditch, B.M. 1996. Low levels of genetic variation in Phenakospermum guyannense (Streliziaceae), a widespread, bat-pollinated Amazonian herb. Plant Systematics and Evolution, 199: 1-15.

Betancur, J. and Kress, W. John 1995. Distribucion geografica y altitudinal del genero Heliconia (Heliconiaceae) en Colombia. In: Churchill, S. P., Balslev, Henrik, Forero, E. and Luteyn, James L., Biodiversity and conservation of neotropical montane forests. pp.513-523.

Kress, W.J. 1995. Phylogeny of Zingiberanae: morphology and molecules. In: Rudall, P., Monocotyledons: systematics and evolution. pp.443-460.

Kress, W. J. and Beach, J. H. 1994. Flowering plant reproductive systems at La Selva Biological Station. In: McDade, L. A., Bawa, K. S., Hespenheide, H. and Hartshorn, G., La Selva: Ecology and natural history of a neotropical rain forest.pp.161-182.

Kress, W. J., Maddox, G. D. and Roesel, C. S. 1994. Genetic variation and protection priorities in Ptilimnium nodosum (Apiaceae), an endangered plant of the Eastern United States. Conservation Biology, 8: 271-276.

Kress, W. J., Schatz, G. E., Andrianifanhanana, M. and Morland, H. S. 1994. Pollination of Ravenala madagascariensis (Strelitziaceae) by lemurs: evidence for an archaic coevolutionary system?. American Journal of Botany, 81: 542-551.

Brown, G. K., Luther, H. E. and Kress, W. John 1993. Comments on the responsibilities of taxonomists. Journal of the Bromeliad Society, 43: 154-156.

Chase, Mark W., Soltis, D. E., Olmstead, R. G., Morgan, D., Les, D. H., Mishler, B. D., Duvall, M. R., Price, R. A., Hills, H. E., Qui, Y. L., Kron, K. A., Rettig, J. H., Conti, E., Palmer, J. D., Manhart, J. R., Sytsma, Kenneth J., Michaels, H. J., Kress, W. John and Kar, K. G. 1993. Phylogenetics of seed plants: an anlysis of nucleotide sequences from the plastid gene rcbL. Annals of the Missouri Botanical Garden, 80: 528-580.

Kress, W.J. 1993. Coevolution of plants and animals: pollination of flowers by primates in Madagascar. Current science, 65: 253-257.

Kress, W.J., Betancur, J., Roesel, C.S. and Echeverry, B.E. 1993. Lista de las heliconias de Colombia con cinco especies nuevas. Caldasia, 17: 183-198.

Kress, W.J. and Stone, D.E. 1993. The morphology and floral biology ofPhenakospermum (Strelitziaceae), an arborescent herb of the neotropics.Biotropica, 25: 290-300.

Manchester, S. R. and Kress, W. John 1993. Fossil bananas (Musaceae): Ensete oregonense from the Eocene of western North America and its phytogeographic significance. American Journal of Botany, 80: 1264-1272.

Smith, J. F., Kress, W. John and Zimmer, Elizabeth Anne 1993. Phylogenetic analysis of Zingiberales based on rcbL sequences. Annals of the Missouri Botanical Garden, 80: 620-630.

Stone, D.E. and Kress, W.J. 1992. The application of transmission electron microscopy and cytochemistry in palynology. In: Nilsson, S. and Praglowski, J.,Ertdman's Handbook of Palynology, Second Edition. pp.432-467.

Berry, F. and Kress, W.J. 1991. Heliconia: An Identification Guide Smithsonian Institution Press. 334 pages.

Kress, W. J. 1991. New taxa of Heliconia (Heliconiaceae) from Ecuador. Brittonia, 43(4): 253-260.

Bateman, Richard M., Goddard, Ives, O'Grady, R., Funk, Vicki A., Mooi, Richard, Kress, W. John and Cannell, P. 1990. 
Speaking of Forked Tongues: the feasibility of reconciling human phylogeny and language. Current anthropology, 31: 1-13.

Bateman, Richard M., Goddard, Ives, O'Grady, R. T., Funk, Vicki A., Mooi, Richard, Kress, W. John and Cannell, P. F. 1990. 
Discussion and criticism: on human phylogeny and a linguistic history; reply to comments. Current anthropology, 31: 177-183.

Kress, W. J. 1990. The phylogeny and classification of the Zingiberales. Annals of the Missouri Botanical Garden, 77: 698-721.

Kress, W.J. 1990. Taxonomy of Old World Heliconia (Heliconiaceae). Allertonia, 6: 1-58.

Kress, W. J. 1990. Review of: Flora Novo-Galiciana, Volume 15, Bromeliaceae to Dioscoreaceae. Systematic Botany, 15: 347-348.

Kress, W.J. 1990. The systematic distribution of vascular epiphytes. In: Luttge, U., Phylogeny and ecophysiology of epiphytes. pp.234-261.

Kress, W. J. 1990. Heliconiaceae. In: Wagner, Warren L., Herbst, D. R. and Sohmer, S. H., Manual of the flowering plants of Hawai'i. pp.1440-1442.

Kress, W.J. 1990. The diversity and distribution of Heliconia (Heliconiaceae) in Brazil. Acta botânica brasilica, 4: 159-167.

Kress, W. J., Luther, H. E. and Roesel, C. S. 1990. Genetic variation in three species of Florida Tillandsia. Journal of the Bromeliad Society, 40: 59-63, 81.

Smith, Lyman B. and Kress, W. John 1990. New genera of Bromeliaceae.Phytologia, 69: 271-274.

Kress, W.J. 1989. New taxa and notes on Heliconia (Heliconiaceae). Selbyana, 11: 49-53.

O'Grady, R. T., Goddard, Ives, Bateman, Richard M., DiMichele, William A., Funk, Vicki A., Kress, W. John, Mooi, Richard and Cannell, P. F. 1989. 
Genes and Tongues. Science, 243: 1651

Smith, Lyman B. and Kress, W. John 1989. New or restored genera of Bromeliaceae. Phytologia, 66: 70-79.

Kress, W.J. and Roesel, C.S. 1987. Seed germination trials in Heliconia stricta cv. Jamaica. Bulletin, Heliconia Society International, 2: 6-7.

Watson, J.H., Kress, W.J. and Roesel, C.S. 1987. A bibliography to the biological literature on vascular eiphytes. Selbyana, 10: 1-23.

Kress, W.J. 1986. The use of ethanolamine in the study of pollen wall stratification. Grana, 25: 31-40.

Kress, W.J. 1986. Bat pollinated Heliconias. Bulletin, Heliconia Society International, 1: 4-6.

Kress, W.J. 1986. New heliconias (Heliconiaceae) from Panamá. Selbyana, 9: 156-166.

Kress, W.J. 1986. The systematic distribution of vascular epiphytes: an update.Selbyana, 9: 2-22.

Kress, W. J. 1986. Exineless pollen structure and pollination systems of tropicalHeliconia (Heliconiaceae). In: Blackmore, Stephen H. and Ferguson, I. K., Pollen and spores: form and function. pp.329-345.

Kress, W. J. 1985. Pollination and reproductive biology of Heliconia. In: D'Arcy, William G. and Correa A., Mireya D., The botany and natural history of Panama.pp.267-271.

Kress, W.J. 1985. Bat pollination of an Old World Heliconia. Biotropica, 17: 302-308.

Kress, W.J. 1984. Systematics of Central American Heliconia (Heliconiaceae) with pendent inflorescences. Journal of the Arnold Arboretum, 65: 429-532.

Kress, W. J. 1983. Crossability barriers in neotropical Heliconia. Annals of Botany, 52: 131-148.

Kress, W. J. 1983. Self-incompatibility systems in Central American Heliconia.Evolution, 37: 735-744.

Kress, W.J. and Stone, D.E. 1983. Pollen intine structure, cytochemistry and function in monocots. In: Mulcahy, D.L. and Ottaviano, E., Pollen: biology and implications for plant breeding. pp.159-163.

Kress, W. J. and Stone, D. E. 1983. Morphology and phylogenetic significance of exine-less pollen of Heliconia (Heliconiaceae). Systematic Botany, 8: 149-167.

Kress, W.J. 1982. A new species of Heliconia (Heliconiaceae) from Costa Rica.Brenesia, 19/20: 201-208.

Kress, W.J. and Stone, D.E. 1982. Nature of the sporoderm in monocotyledons with special reference to the pollen grains of Canna and Heliconia. Grana, 21: 129-148.

Plowman, T., Kress, W.J. and Kennedy, H. 1982. Heliconia zebrina, a new name for a handsome heliconia from Peru. Baileya, 21: 149-157.

Kress, W.J. 1981. New Central American taxa of Heliconia (Heliconiaceae).Journal of the Arnold Arboretum, 62: 243-260.

Kress, W. J. 1981. Sibling Competition and the evolution of pollen unit, ovule number and pollen vector in angiosperms. Systematic Botany, 6: 101-112.

Stone, D. E., Sellers, S. C. and Kress, W. John 1981. Ontogeny and evolutionary implications of a neotenous exine in Tapeinochilos (Zingiberales: Costaceae) pollen. American Journal of Botany, 86: 49-63.
Beach, J. H. and Kress, W. John 1980. Sporophyte versus gametophyte: a note on the origin of self-incompatibility in flowering plants. Systematic Botany, 5: 1-5.

Stone, D. E., Sellers, S. C. and Kress, W. John 1979. Ontogeny of exine-less pollen in Heliconia, a banana native. Annals of the Missouri Botanical Garden, 66: 701-730.

Kress, W. J., Stone, D. E. and Sellers, S. C. 1978. Ultrastructure of exine-less pollen: Heliconia (Heliconiaceae). American Journal of Botany, 65: 1064-1076.

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