| Name | Country (Main) | Phone and Extension-Phone (Main) | Phone and Extension-Fax (Main) | Email (Main) | Research Interests | |
|---|
| ZIMMERMAN, ALLAN D. | United States | | | | Systematics of Cactaceae. | View |
| ZHU, RUI-LIANG | China | +86-21-6223-2705; +86-21-6245-17 | | lejeunea@163.com | liverwort taxonomy | View |
| ZHANG, LI-BING | United States | 314-577-9454 | | libing.zhang@mobot.org | ferns and lycophtes | View |
| ZEREGA, NYREE | United States | 847-467-1266 | | nzerega@chicagobotanic.org | Systematics, evolution, phylogenomics, biogeography, crop origins, underutilized crops, perennial crops, pollination, Artocarpus, breadfruit, jackfruit, Moraceae, grafting | View |
| Zañartu Flores, Ricardo | | | | ricardozanartu@gmail.com | | View |
| ZAMUDIO RUIZ, SERGIO | Mexico | +52-434-342-27-20 | | szamudioruiz@gmail.com | Taxonomy of genus Pinguicula, Lentibulariaceae in Mexico & Central America; floristic & vegetation studies of Mexico. | View |
| YOKOYAMA, JUN | Japan | +81-23-628-4772 | | jyokoyam@sci.kj.yamagata-u.ac.jp | Plant evolution by interactions with other organisms. | View |
| YATSKIEVYCH, KAY | United States | 314-799-5722 | 314-577-9596 | kay.yatskievych@mobot.org | Floristics of Indiana. | View |
| YATSKIEVYCH, GEORGE | United States | 512-471-5904 | | george.yatskievych@austin.utexas.edu | Systematics of pteridophytes & parasitic plants; floristics, especially Southwestern and Midwestern USA & Mexico; plant conservation; herbarium management. | View |
| Yang, Ya | United States | (612) 625-6292 | | yangya@umn.edu | Systematics and evolution of Caryophyllales and Euphorbia | View |
| Xiang, Qiuyun (Jenny) | United States | 9195152728 | | jenny_xiang@ncsu.edu | Cornales, eastern Asian-eastern North American disjunct taxa; phylogenetics, biogeography, evo-devo of inflorescences, population and conservation genetics/genomics | View |
| WYATT, ROBERT EDWARD | United States | 706-769-5362 | | rewyatt@uga.edu | Plant reproductive biology; evolutionary biology. | View |
| WURDACK, KENNETH J. | United States | 202-633-0916 | | wurdackk@si.edu | Systematics and evolution of Euphorbiaceae and other Malpighiales; molecular evolution; botanical history. | View |
| Wu, Cheng-Chiang | | | | chengchiangwu@gmail.com | | View |
| WORCESTER, LINDSEY | United States | 785-216-0135 | | worcester.07@gmail.com | Herbarium, systematics, phylogenetics, phylogenomics, polyploidy, economic botany, medicinal botany, horticulture, nomenclature, Trillium, Tilia, Asclepias, Phlox | View |
| WINDHAM, MICHAEL D. | United States | 801-440-5458 | | michael.windham@duke.edu | Cytotaxonomy; pteridophytes; Brassicaceae (esp. Boechera & Draba). | View |
| WILSON, CAROL A. | United States | 503-724-0834 | | cawilson@berkeley.edu | Iris (Iridaceae); Loranthaceae; Viscaceae | View |
| Williams, Tanisha | United States | | | tmw018@bucknell.edu | | View |
| WIERSEMA, JOHN H. | United States | 410-570-2908 | | wiersemaj@si.edu | Nomenclature; systematics of Nymphaeales, esp. Nymphaea (Nymphaeaceae). | View |
| WHITTEMORE, ALAN | | 650-368-5136 | | atwhittemore@gmail.com | Systematics of North American & Central American plants; systematics of bryophytes; mechanisms of taxonomic evolution. | View |
| White, Elizabeth | United States | | | elizabethwhite1@ufl.edu | | View |
| WHIPPLE, JENNIFER | United States | 406-599-4165 | | jennifer_whipple@nps.gov | Vascular plants of Yellowstone. | View |
| WHALEN, MOLLY | Australia | +61-8-201-2723 | | molly.whalen@flinders.edu.au | Systematics & reproductive biology of the Frankeniaceae & Australasian Euphorbiaceae. | View |
| WENDT, THOMAS L. | United States | 512-471-5904 | | twendt@austin.utexas.edu | Tropical trees of Mexico; Polygalaceae. | View |
| WEN, JUN | United States | 202-633-4881 | 202-786-2563 | wenj@si.edu | Systematics & biogeography of Araliaceae & Vitaceae; evolution & biogeography of northern hemisphere disjunct plants; biogeography of Asia. | View |
| Wei, Yushin | United States | 8504456274 | | ywei77@wisc.edu | | View |
| WEEKS, ANDREA | United States | | | aweeks3@gmu.edu | Systematics & historical biogeography, esp. Burseraceae. | View |
| WEBER, WILLIAM A. | United States | 303-554-8184 | | bill.weber@colorado.edu | Phytogeography; Colorado Flora; floristics; vascular plants; bryophytes; lichens. | View |
| Weaver, William | United States | 7193600177 | | willwe@umich.edu | | View |
| WAYCOTT, MICHELLE | Australia | +61-8-8222-9416 | +61-8-8222-9457 | michelle.waycott@adelaide.edu.au | Plant systematics; evolution; taxonomy of marine angiosperms; population genetics; Australian flora. | View |
| WATSON, LINDA | United States | 405-744-5559 | | linda.watson10@okstate.edu | Asteraceae, Compositae, molecular systematics, phylogenomics | View |
| WATERWAY, MARCIA J. | Canada | 250-588-7864 | | marcia.waterway@mcgill.ca | Systematics & phylogeny of Cyperaceae, esp. Carex; biodiversity in temperate forests & peatlands; subarctic flora. | View |
| WATERS, TIMOTHY | United Kingdom | +44-7905-884537 | | timwaters@fastmail.fm | Agathis; Araucariaceae; woody plant architecture; identification of trees from bark characters; morphology; bryophytes; species concepts & species delimitation. | View |
| Watano, Yasuyuki | Japan | +81-432902819 | | watano@faculty.chiba-u.jp | ferns, speciation, polyploidization, mating system | View |
| Waselkov, Katherine | United States | 251-802-5802 | | kwaselkov@csufresno.edu | plant systematics, Amaranthaceae, population genetics, agricultural weeds | View |
| Wang, Yifan | United States | 3322769884 | | yw7200@nyu.edu | Systematics, phylogenomics, population genetics, floral development, pollination | View |
| Wang, Tengxiang | United States | 8146992483 | | tqw5456@psu.edu | Paleobotany | View |
| Wang, Qiang | | | | wangqiang@ibcas.ac.cn | | View |
| WALTERS, DIRK R. | United States | 805-543-7051 | | dwalters@calpoly.edu | Local flora; Schizanthus (Solanaceae). | View |
| Walston, Joseph | United States | | | jwalston@wisc.edu | Carnivorous plant systematics, taxonomy, and morphology, particularly Sarraceniaceae | View |
| WALLACE, LISA | United States | 757-683-4947 | | lewallac@odu.edu | Orchidaceae; biogeography; plant conservation; systematics | View |
| WAHLERT, GREGORY | United States | 805-294-8685 | | rinorea@gmail.com | Systematics of Violaceae and western North American Lupinus; flora of Colombian Cordillera Occidental; taxonomy of Malagasy Grewia (Malvaceae) and Polygala. | View |
| WAGNER, WARREN L. | United States | 202-633-0968 | 202-786-2563 | wagnerw@si.edu | Pacific island floristics, systematics, phylogeny, & biogeography; Onagraceae; Caryophyllaceae. | View |
| Vogler, Christopher | | | | christophervogler2025@u.northwestern.edu | | View |
| VINCENT, MICHAEL A. | United States | 513-529-1960 | | vincenma@miamioh.edu | Taxonomy of vascular plants & fungi; systematics of Trifolium (Fabaceae), especially New World; floristics. | View |
| VILLASENOR, JOSE LUIS | Mexico | +52-5622-9120 | | vrios@ib.unam.mx | Asteraceae; flora of Mexico. | View |
| VERSIEUX, LEONARDO DE MELO | Brazil | 55 84 991445077 | | lversieux@yahoo.com.br | Plant systematics; conservation; biogeography; morphology. | View |
| Vasconcelos, Caroline da Cruz | Brazil | 55 92 982234291 | | cc_vasconcelos@hotmail.com | Sapotaceae; Taxonomy and systematics; Plant spectroscopy; Seedling morphology; Floristic studies; Amazonian flora
Herbarium; Tropical forest ecology; Species distribution modeling; Climate change | View |
| VASCO, ALEJANDRA | United States | 8177730803 | | avascog@gmail.com | Fern Taxonomy and Systematics | View |
| Vargas, Oscar M | United States | 512-300-9236 | | ov20@humboldt.edu | Phylogenomics; Neotropics; California Floristic Province; Andes; Linochilus; Diplostephium; Lecythidaceae. | View |