| 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 |
| ZIMMER, ELIZABETH A. | United States | 7038639806 | | zimmerl@si.edu | 11Molecular systematics; biogeography; phylogeography; angiosperms; ferns; multigene families; genome evolution | View |
| ZHANG, LI-BING | United States | 314-577-9454 | | libing.zhang@mobot.org | | 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 |
| WYSE JACKSON, PETER | United States | 314-577-5110 | | pwysejackson@mobot.org | Botany. | 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 |
| WORCESTER, LINDSEY | United States | 785-216-0135 | | worcester.07@gmail.com | Systematics, phylogenetic, phylogenomics, polyploidy, economic botany, medicinal botany, horticulture, nomenclature, Trillium, Tilia | 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 |
| WILLYARD, ANN M. | United States | 5015485073 | | willyard@hendrix.edu | Pines. | 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 |
| Wickett, Norman | United States | 847-835-8280 | | nwickett@chicagobotanic.org | Bryophytes, Phylogenomics, Speciation, Molecular Evolution | View |
| WHITKUS, RICHARD | United States | 707-664-2303 | | whitkus@sonoma.edu | Speciation, Cyperaceae, science policy | 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 |
| Weththasinghe, Bhagya | United States | 8327169213 | | bhagya@tamu.edu | | 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 |
| 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 |
| WATSON, LINDA | United States | 405-744-5559 | | linda.watson10@okstate.edu | Asteraceae, Compositae, molecular systematics, phylogenomics | View |
| Waselkov, Katherine | United States | 251-802-5802 | | kwaselkov@csufresno.edu | plant systematics, Amaranthaceae, population genetics, agricultural weeds | View |
| Wang, Tengxiang | United States | 8146992483 | | tqw5456@psu.edu | Paleobotany | View |
| WALTERS, DIRK R. | United States | 805-543-7051 | | dwalters@calpoly.edu | Local flora; Schizanthus (Solanaceae). | 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 Lupinus (from western North America); flora of Cordillera Occidental in Colombia; taxonomy of various groups in Madagascar, including Grewia (Malvaceae), Polygala, Astrotrichilia (Meliaceae), and Rinorea (Violaceae). | View |
| WAGNER, WARREN L. | United States | 202-633-0968 | 202-786-2563 | wagnerw@si.edu | Pacific island floristics, systematics, phylogeny, & biogeography; Onagraceae; Caryophyllaceae. | 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 |
| Vieira Silva, Tiago Luiz | United States | +1-857-757-0311 | | tiagolvs@gmail.com | Plant systematics and evolution; biogeography; nomenclature; Orchidaceae systematics and taxonomy. | View |
| VASCO, ALEJANDRA | United States | 8177730803 | | avascog@gmail.com | Fern Taxonomy and Systematics | View |
| Vargas, Lucia | United States | 6823900298 | | l.l.vargaslongas@tcu.edu | | View |
| Vanrooyen, Dilrini | United States | | | vanrooyen@wisc.edu | Botany | View |
| VAN EE, BENJAMIN | United States | | | bvanee@uwalumni.com | Croton (Euphorbiaceae) | View |
| URBATSCH, LOWELL | United States | 225-921-1614 | | leu@lsu.edu | Asteraceae; molecular systematics; central Gulf of Mexico flora | View |
| Tyrrell, Christopher | United States | | | tyrrell@mpm.edu | bamboos, aquatic macrophytes, Bambusoideae, informatics, taxonomy, systematics, biogeography | View |
| TURNER, BILLIE L. | United States | 915-837-0016 | 915-837-0016 | billie@uts.cc.utexas.edu | Systematics. | View |
| TRIPP, ERIN A. | United States | 3034921862 | 303-492-1862 | erin.tripp@colorado.edu | plant and lichen biodiversity | View |
| TIPPERY, NICHOLAS | United States | 262-472-1061 | | nicholas.tippery@gmail.com | Aquatic plants; Menyanthaceae. | View |
| TIEHM, ARNOLD | United States | 775-742-9180 | | atiehm@att.net | Great Basin flora; botanical history of the Western United States. | View |
| Thiers, Barbara | United States | 9144159977 | | bthiers@nybg.org | Bryophytes; biodiversity informatics; collections management. | View |
| Testo, Weston | United States | | | | Pteridology, phylogenetic systematics | View |
| TEPE, ERIC J. | United States | 513-376-5539 | | eric.tepe@uc.edu | Systematics of Piper (Piperaceae) & Solanum (Solanaceae); evolution of ant-plant associations. | View |
| Taylor, Nathan | United States | | | | Taxonomy, Euphorbia sect. Anisophyllum, High Plains of Texas Flora | View |
| TAYLOR, DAVID WILLIAM | United States | 503-943-8513 | | taylorda@up.edu | Systematics and reproductive biology of the Malpighiaceae and Rubiaceae; Chione; Colleteria; Wandersong; Stigmaphyllon; economic botany; ethnobotany. | View |
