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PLANTS Profile


Symphoricarpos Duham.
snowberry

Data Source

Last revised by:
USDA NRCS National Plant Data Team
Curated and maintained by:
USDA NRCS National Plant Data Center
 

Data Documentation

Documentation State Type
1900. Memoirs of the New York Botanical Garden. New York Botanical Garden, New York MT Literature
1940. Journal of the Arnold Arboretum DC, MD, MO, ND, NE, NJ, NM, RI, SD, TN, VA, VT, WI Literature
1946. Castanea MD Literature
1985. Wassman Journal of Biology CA Literature
1991. Douglasia WA Literature
1993. Journal of the Arizona-Nevada Academy of Science AZ Literature
1995. Aliso CA Literature
1999. University of Minnesota Herbarium: Vascular plant collection (http://www.wildflowers.umn.edu) MN Literature
2000. CalFlora: Information on California plants for education, research and conservation (http://www.calflora.org/). The CalFlora Database, Berkeley CA Literature
Abrams, L. 1960. An illustrated flora of the Pacific States. Stanford University Press, Stanford MT, OR Literature
Ahlenslager, K., and P. Miller. 1999. Establishment record for Halliday Fen Research Natural Area within the Colville National Forest. Pend Oreille County, Washington. USDA Forest Service WA Literature
Alaska Natural Heritage Program AK Literature
Anderson 6075 (ALA 00001765). Specimen at University of Alaska Museum, Fairbanks, Alaska, (http://www.uaf.edu/museum/collections/herb/). AK Specimen
Anonymous. Personal communication to John Kartesz CA, CO, IA, MD, NM, OR, UT Literature
Atkinson, S., and F. Sharpe. 1985. Wild plants of the San Juan Islands. The Mountaineers, Seattle WA Literature
Atwood, J.T., et al. 1973. Check list of Vermont plants. Vermont Botanical and Bird Club VT Literature
BLMLK. Specimen at Bureau of Land Management, Lakeview, Oregon, (http://www.blm.gov/or/districts/lakeview/overview.php). OR Specimen
BLMLK. Specimen at Bureau of Land Management, Lakeview, Oregon, (http://www.blm.gov/or/districts/lakeview/overview.php). OR Specimen
BOIS. Specimen at Rocky Mountain Research Station, Boise, Idaho, (http://www.fs.fed.us/rm/boise/research/shrub/greatbasin.shtml). ID Specimen
Barkworth, Mary E. Personal communication DE Literature
Bluhm, Wilbur. Personal communication OR Literature
Booth, W.E., and J.C. Wright. 1966. Flora of Montana. Montana State University, Bozeman MT Literature
Brouillet, L., F. Coursol, and M. Favreau. 2006. VASCAN, the Database of Vascular Plants of Canada. Herbier Marie-Victorin, Institut de recherche en biologie végétale, Université de Montréal AB, BC, MB, NB, NF, NS, NT, ON, PE, QC, SK Literature
Brown, R.G., and M.L. Brown. 1972. Woody plants of Maryland. Port City Press, Inc., Baltimore MD Literature
Buckingham, N.M., and E.L. Tisch. 1983. Additions to the native vascular flora of the Olympic Peninsula, Washington. Madroño 30(4): 7-78 CA Literature
Buegge, J.J. Flora of the Santa Teresa Mountains in Graham County, Arizona (http://lifesciences.asu.edu/herbarium/st_teresa_weblist.html) AZ Literature
CIC. Specimen at Albertson College of Idaho, Caldwell, Idaho, (http://www.collegeofidaho.edu/academics/biology/Resources/handbook/default.asp?mainID=10&subID=4). ID Specimen
CIC. Specimen at Albertson College of Idaho, Caldwell, Idaho, (http://www.collegeofidaho.edu/academics/biology/Resources/handbook/default.asp?mainID=10&subID=4). ID Specimen
Campbell, J., and M. Medley. 2012. The atlas of vascular plants in Kentucky (http://www.bluegrasswoodland.com) KY Literature
Campbell, Julian. Personal communication KY Literature
Charboneau, J.L.M., B.E. Nelson, and R.L. Hartman. 2013. A floristic inventory of Phillips and Valley counties, Montana (U.S.A.). Journal of the Botanical Research Institute of Texas 7(2): 847-878 MT Literature
Chester, E.W, B.E. Wofford, and R. Kral. 1997. Atlas of Tennessee vascular plants. Vol. 2. Miscellaneous Publication No. 13. Austin Peay State University, Clarksville TN Literature
Chester, E.W., B.E. Wofford, R. Kral, H.R. DeSelm, and A.M. Evans. 1993. Atlas of Tennessee vascular plants. 2 vols. Center for Field Biology Miscellaneous Publication No. 9/13. Austin Peay State University, Clarksville TN Literature
Clemants, Steven. Personal communication NJ, NY Literature
Clifton, G. Plumas County and Plumas National Forest flora (2001 Draft). Unpublished and undated CA Literature
Cooperrider, T.S. 1995. The Dicotyledoneae of Ohio. Part 2: Linaceae through Campanulaceae. Ohio State University Press, Columbus OH Literature
Cooperrider, Tom S. Personal communication OH Literature
Cronquist, A., A.H. Holmgren, N.H. Holmgren, J.L. Reveal, and P.K. Holmgren. 1972. Intermountain flora: Vascular plants of the Intermountain West. New York Botanical Garden, New York AZ, NV, TX, UT, WA Literature
Crovello, T.J., C.A. Keller, and J.T. Kartesz. 1983. The vascular plants of Indiana: A computer based checklist. University of Notre Dame Press, Notre Dame IN Literature
Cullina, M.D., B. Connolly, B. Sorrie, and P. Somers. 2011. The vascular plants of Massachusetts: A county checklist, first revision. Massachusetts Natural Heritage & Endangered Species Program, Massachusetts Division of Fisheries and Wildlife, Westborough MA Literature
Davis, R. 1952. Flora of Idaho. W.C. Brown Co., Dubuque ID Literature
Deam, C.C. 1940. Flora of Indiana. Wm.B. Burford Printing Co., Indianapolis IN Literature
District of Columbia Natural Heritage Program DC Literature
Domangue, B.E., and C.K. McMullen. 2013. Floristic survey of the vascular plants of Shenandoah County, Virginia. Castanea 78: 312-322 VA Literature
Dorn, R.D. 1977. Manual of the vascular plants of Wyoming. 2 vols. Garland Publishing, Inc., New York WY Literature
Dorn, R.D. 1984. Vascular plants of Montana. Mountain West Publishers, Cheyenne MT Literature
Dowhan, J.J. 1979. Preliminary checklist of the vascular flora of Connecticut (growing without cultivation). State Geological and Natural History Survey of Connecticut, Natural Resources Center, Department of Environmental Protection. Hartford CT Literature
Duncan, W.H., and J.T. Kartesz. 1981. Vascular flora of Georgia. University of Georgia Press, Athens GA Literature
EOSC. Specimen at Eastern Oregon University, Lagrande, Oregon, (http://mgd.nacse.org/cgi-bin/sqml2.0/eastoregon/eastor.qml). OR Specimen
Eilers, L.J., and D.M. Roosa. 1991. The vascular plants of Iowa. University of Iowa Press, Iowa City IA Literature
Fernald, M.L. 1950. Gray's manual of botany, 8th ed. American Book Company, New York WV Literature
George, G.G. 1992. A synonymized checklist of the plants found growing in Rhode Island. Rhode Island Wild Plant Society RI Literature
Glenn, S.D. (ed.). 2013. New York Metropolitan Flora database. New York Metropolitan Flora Project, Brooklyn Botanic Garden, New York CT, NJ, NY Literature
Hannick, V.C., J.N. Mink, J.R. Singhurst, and W.C. Holmes. 2013. Annotated checklist of the vascular flora of McLennan County, Texas. Phytoneuron (http://www.phytoneuron.net/2013Phytoneuron/29PhytoN-McLennan.pdf) 2013-29(29): 1-37 TX Literature
Harrington, H.D. 1964. Manual of the plants of Colorado. Sage Books, Denver CO Literature
Hartman, R. Atlas of the vascular flora of Wyoming. Unpublished and undated WY Literature
Harvill, A.M., C.E. Stevens, and D.M.E. Ware. 1981. Atlas of the Virginia flora, Part II. Dicotyledons. Virginia Botanical Associates, Farmville VA Literature
Hatch, S.L., K.N. Gandhi, and L.E. Brown. 1990. Checklist of the vascular plants of Texas (MP-1655). Texas Agricultural Experiment Station, College Station TX Literature
Haynes, R. 1990. A database of the Alabama flora. Unpublished AL Literature
Heil, K.D, and S.L. O'Kane, Jr. 2002. Catalog of the Four Corners flora - vascular plants of the San Juan River Drainage: Arizona, Colorado, New Mexico and Utah, 6th ed. (http://www.sanjuancollege.edu/documents/Herbarium/FourCornersFlora.pdf) AZ, NM, UT Literature
Hickman, J.C. (ed.). 1993. The Jepson manual. University of California Press, Berkeley CA Literature
Hitchcock, C.L., A. Cronquist, M. Ownbey, and J.W. Thompson. 1969. Vascular plants of the Pacific Northwest. 5 vols. University of Washington Press, Seattle WA Literature
Hogan, Tim. Personal communication CO Literature
Hough, M.Y. 1978. New Jersey Wild Plants. Harmony Press, Harmony NJ Literature
Hrusa, G.F. 1996. Private checklist on file at UC Davis Herbarium. Unpublished CA Literature
Hrusa, G.F. 1997. Floristic list part of wetlands report submitted by J. Glazner Environmental Consulting. Unpublished CA Literature
Hrusa, G.F. 1997. Report submitted to North State Resources Inc., Redding. Unpublished, on file at California Department of Agriculture CA Literature
Hrusa, G.F., and B. Smith. 1997. Report submitted to North State Resources Inc., Redding. Unpublished, on file at California Department of Agriculture CA Literature
Hrusa, G.F., and J. Glazner. 1999. List provided to J. Glazner Consulting. Unpublished CA Literature
Hulten, E. 1968. Flora of Alaska and neighboring territories: A manual of the vascular plants. Stanford University Press, Stanford AK Literature
ID. Specimen at University of Idaho, Moscow, Idaho, (http://www.sci.uidaho.edu/biosci/herbarium/vtour.html). ID Specimen
ID. Specimen at University of Idaho, Moscow, Idaho, (http://www.sci.uidaho.edu/biosci/herbarium/vtour.html). ID Specimen
ID. Specimen at University of Idaho, Moscow, Idaho, (http://www.sci.uidaho.edu/biosci/herbarium/vtour.html). ID Specimen
ID. Specimen at University of Idaho, Moscow, Idaho, (http://www.sci.uidaho.edu/biosci/herbarium/vtour.html). ID Specimen
ID. Specimen at University of Idaho, Moscow, Idaho, (http://www.sci.uidaho.edu/biosci/herbarium/vtour.html). ID Specimen
IDS. Specimen at Idaho State University, Pocatello, Idaho, (http://imnh.isu.edu/Collections/Botany.htm). ID Specimen
IDS. Specimen at Idaho State University, Pocatello, Idaho, (http://imnh.isu.edu/Collections/Botany.htm). ID Specimen
IDS. Specimen at Idaho State University, Pocatello, Idaho, (http://imnh.isu.edu/Collections/Botany.htm). ID Specimen
IDS. Specimen at Idaho State University, Pocatello, Idaho, (http://imnh.isu.edu/Collections/Botany.htm). ID Specimen
IDS. Specimen at Idaho State University, Pocatello, Idaho, (http://imnh.isu.edu/Collections/Botany.htm). ID Specimen
Idaho Conservation Data Center ID Literature
Illinois Natural Heritage Program IL Literature
Illinois Plant Information Network (ILPIN) IL Literature
Johnston, B. 1991. List of Colorado plants. Unpublished CO Literature
Johnston, B. 1991. Vascular plants of Colorado. Unpublished CO Literature
Jones, S.B., and N. Coile. 1988. The distribution of the vascular flora of Georgia. Herbarium, Department of Botany, Athens GA Literature
Kartesz, J.T. 1988. A flora of Nevada. University of Nevada, Reno NV Literature
Kartesz, J.T. 2001. Atlas of the Nevada flora. Unpublished NV Literature
Kartesz, J.T. 2002. Atlas of the Arizona flora. Unpublished AZ Literature
Kearney, T., and R.H. Peebles. 1960. Arizona flora with supplement. University of California Press, Los Angeles AZ Literature
Kemp, L., and S.R. Schuller. 1982. Checklist of the vascular plants of Thornton T. Munger Research Natural Area. Pacific Northwest Forest and Range Experiment Station Administrative Report PNW-4. USDA Forest Service WA Literature
Kuhn, B., B.E. Nelson,and R.L. Hartman. 2011. A floristic inventory of the Cimarron National Grassland (Kansas) and the Comanche National Grassland (Colorado). Journal of the Botanical Research Institute of Texas 5: 753-772 CO Literature
Larson, J., B. Reif, B.E. Nelson, and R.L. Hartman. 2014. Floristic studies in north central New Mexico, U.S.A. The Sangre de Cristo Mountains. Journal of the Botanical Research Institute of Texas 8: 271-303 NM Literature
Layser, E.F. 1980. Flora of Pend Oreille County, Washington. Washington State University, Cooperative Extension, Pullman WA Literature
Lowe, E.N. 1921. Plants of Mississippi. Mississippi State Geological Survey Bulletin No. 17 MS Literature
Magee, D. Flora of New England. Unpublished and undated CT, MA, ME, NH, RI, VT Literature
Martin, A.C., H.S. Zim, and A.L. Nelson. 1951. American wildlife and plants: A guide to wildlife food habits. Dover Publications, New York Literature
Martin, W.C., and C.R. Hutchins. 1980. A flora of New Mexico. Strauss & Cramer, Germany NM Literature
Maryland Wildlife and Heritage Service. 2010. Rare, Threatened and Endangered Plants. Maryland Department of Natural Resources, Annapolis, MD MD Literature
McAvoy, William. Personal communication DE Literature
McGregor, R.L., et al. 1977. Atlas of the flora of the Great Plains. Iowa State University Press, Ames KS, ND, NE, OK, SD Literature
Medley, M.E. 1993. An annotated catalogue of the known or reported vascular flora of Kentucky. University of Louisville, Louisville KY Literature
Medley, Max. Personal communication KY Literature
Meyer, J. 1990. Chrysler Herbarium Checklist. Manuscript NJ Literature
Mitchell, R.S. (ed.). 1986. A checklist of New York State plants. Contributions of a Flora of New York State, Checklist III. New York State Bulletin No. 458. New York State Museum, Albany NY Literature
Mohlenbrock, R.H. 1986. Guide to the vascular flora of Illinois, rev. ed. Southern Illinois University Press, Carbondale and Edwardsville IL Literature
Mohr., C. 1901. Plant life of Alabama. Contributions from the United States National Herbarium VI AL Literature
Moore, J.W., R.M. Tryon, Jr. 1946. A preliminary check list of the flowering plants, ferns and fern allies of Minnesota. Department of Botany, University of Minnesota, Minneapolis MN Literature
Mooring (ALA V0145366). Specimen at University of Alaska Museum, Fairbanks, Alaska, (http://www.uaf.edu/museum/collections/herb/). AK Specimen
Munz, P.A., and D.D. Keck. 1968. A California flora and supplement. University of California Press, Berkeley CA Literature
NMC. Specimen at New Mexico State University, Las Cruces, New Mexico, (http://biology-web.nmsu.edu/herbarium/). NM Specimen
NMC. Specimen at New Mexico State University, Las Cruces, New Mexico, (http://biology-web.nmsu.edu/herbarium/). NM Specimen
Naas, D., R. Naas, and E. Burnett. 1990. North Cascades National Park, Ross Lake, and Lake Chelan National Recreation Areas: A checklist of vascular plants of the North Cascades, Washington. Sedro-Woolley WA Literature
New York Flora Association. 1990. Preliminary vouchered atlas of New York State flora, ed. 1. New York State Museum Institute, Albany NY Literature
Ohio Natural Heritage Database OH Literature
Oregon Flora Project species list; species noted on herbarium specimens. Unpublished and undated OR Literature
Oregon Natural Heritage Program OR Literature
Ownbey, G.B., and T. Morley. 1991. Vascular plants of Minnesota: A checklist and atlas. University of Minnesota Press, Minneapolis MN Literature
Parker, Batten & Pohl 9995 (ALA V0130693). Specimen at University of Alaska Museum, Fairbanks, Alaska, (http://www.uaf.edu/museum/collections/herb/). AK Specimen
Peck, M.E. 1961. A manual of the higher plants of Oregon, 2nd ed. Oregon State University Press, Corvallis OR Literature
Potash, L. 1996. Establishment record for Perry Creek Research Natural Area within Mt. Baker-Snoqualmie National Forest, Snohomish County, Washington. USDA Forest Service WA Literature
Radford, A.E., H.E. Ahles, and C.R. Bell. 1965. Atlas of the vascular flora of the Carolinas. Department of Botany Technical Bulletin No. 165. Chapel Hill NC, SC Literature
Radford, A.E., H.E. Ahles, and C.R. Bell. 1968. Manual of the vascular flora of the Carolinas. University of North Carolina Press, Chapel Hill NC, SC Literature
Reed, R. 1987. Wisconsin vascular plants. Unpublished WI Literature
Reif, B., J. Larson, B.F. Jacobs, B.E. Nelson, and R.L. Hartman. 2009. Floristic studies in north central New Mexico, U.S.A. The Tusas Mountains and the Jemez Mountains. Journal of the Botanical Research Institute of Texas 3: 921-961 NM Literature
Rhoads, A.F., and W.M. Klein, Jr. 1993. The vascular flora of Pennsylvania. Annotated checklist and atlas. American Philosophical Society, Philadelphia PA Literature
Rice, K.C. 1994. Vegetation and flora of the Superstition Wilderness Area, Central Arizona. M.S. Thesis (http://lifesciences.asu.edu/herbarium/). Arizona State University, Tempe AZ Literature
Richards, C.D., F. Hyland, and L.M. Eastman. 1983. Revised check-list of the vascular plants of Maine. Bulletin of the Josselyn Botanical Society, No. 11 ME Literature
Rude s.n. (ALA V0100978). Specimen at University of Alaska Museum, Fairbanks, Alaska, (http://www.uaf.edu/museum/collections/herb/). AK Specimen
SOC. Specimen at Southern Oregon University, Ashland, Oregon, (http://www.sou.edu/Biology/Herbarium/Herbarium.htm). OR Specimen
SOC. Specimen at Southern Oregon University, Ashland, Oregon, (http://www.sou.edu/Biology/Herbarium/Herbarium.htm). OR Specimen
SRP. Specimen at Boise State University, Boise, Idaho, (http://www.boisestate.edu/biology/facilities_and_collections.htm#thyme). ID Specimen
SRP. Specimen at Boise State University, Boise, Idaho, (http://www.boisestate.edu/biology/facilities_and_collections.htm#thyme). ID Specimen
Seymour, F.C. 1969. The flora of New England. Charles E. Tuttle Company, Rutland NH Literature
Seymour, F.C. 1969. The flora of Vermont. Agricultural Experiment Station Bulletin No. 660. University of Vermont, Burlington VT Literature
Shultz, Leila M. Personal communication UT Literature
Simpson, C., J. Koenig, R. Love, B. Newhouse, N. Otting, S. Sundberg, D. Wagner, and P. Warner. 2002. Vascular plants of Lane County, Oregon. Native Plant Society of Oregon OR Literature
Smith, E.B. 1988. An atlas and annotated list of the vascular plants of Arkansas, 2d ed. AR Literature
Sorrie, B.A. 1992. County checklist of Massachusetts plants. Unpublished MA Literature
Specimen Management System for California Herbaria (SMASCH) (http://www.mip.berkeley.edu/www_apps/smasch/) CA Literature
Specimen at Douglas County Museum, Roseburg, Oregon, (http://www.co.douglas.or.us/museum/collections.asp). OR Specimen
Specimen at Eastern New Mexico University, Portales, New Mexico, (http://wwwstd.enmu.edu/pollockd/botany.html). NM Specimen
Specimen at Linfield College, McMinnville, Oregon, (http://www.linfield.edu/bio/). OR Specimen
Specimen at Linfield College, McMinnville, Oregon, (http://www.linfield.edu/bio/). OR Specimen
St. John, H. 1963. Flora of southeastern Washington and adjacent Idaho, 3rd ed. Outdoor Pictures, Escondido WA Literature
Stebbins, J.C., and B.E. Valentine. 1990. Consultant inventory. Biological reconnaissance ... at the community of Fish Camp, Mariposa County. Unpublished CA Literature
Strausbaugh, P.D., and E.L. Core. 1977. Flora of West Virginia, 2nd ed., 4 vols. West Virginia Bulletin, Morgantown WV Literature
TEX. Specimen at University of Texas at Austin, Austin, Texas, (http://www.biosci.utexas.edu/prc/). TX Specimen
TEX. Specimen at University of Texas at Austin, Austin, Texas, (http://www.biosci.utexas.edu/prc/). TX Specimen
Tatnall, R.R. 1946. Flora of Delaware and the Eastern Shore. Society of Natural History of Delaware, Lancaster DE Literature
Texas Biological and Conservation Data System TX Literature
Thomas, R.D., and C.M. Allen. 1993. Atlas of the vascular flora of Louisiana, vols. 1-3. Louisiana Department of Wildlife and Fisheries. Natural Heritage Program, Fort Worth, TX LA Literature
Thomas, R.D., and C.M. Allen. 1997. Atlas of the vascular flora of Louisiana, vols. 1-3 (Plus updates). Louisiana Department of Wildlife and Fisheries. Natural Heritage Program, Baton Rouge LA Literature
Turner, B.L., H. Nichols, G. Denny, and O. Doron. 2003. Atlas of the Vascular Plants of Texas, vol. 1. Sida, Botanical Miscellany, No. 24. Botanical Research Institute of Texas Press, Fort Worth TX Literature
UNM. Specimen at University of New Mexico, Albuquerque, New Mexico, (http://www.msb.unm.edu/herbarium/). NM Specimen
UNM. Specimen at University of New Mexico, Albuquerque, New Mexico, (http://www.msb.unm.edu/herbarium/). NM Specimen
UNM. Specimen at University of New Mexico, Albuquerque, New Mexico, (http://www.msb.unm.edu/herbarium/). NM Specimen
UNM. Specimen at University of New Mexico, Albuquerque, New Mexico, (http://www.msb.unm.edu/herbarium/). NM Specimen
UNM. Specimen at University of New Mexico, Albuquerque, New Mexico, (http://www.msb.unm.edu/herbarium/). NM Specimen
UNM. Specimen at University of New Mexico, Albuquerque, New Mexico, (http://www.msb.unm.edu/herbarium/). NM Specimen
Voss, E.G. 1985. Michigan flora. Cranbrook Institute of Science, Bloomfield Hills MI Literature
WS. Specimen at Washington State University, Pullman, Washington, (http://www.wsu.edu/~wsherb/). WA Specimen
WS. Specimen at Washington State University, Pullman, Washington, (http://www.wsu.edu/~wsherb/). WA Specimen
WS. Specimen at Washington State University, Pullman, Washington, (http://www.wsu.edu/~wsherb/). WA Specimen
WS. Specimen at Washington State University, Pullman, Washington, (http://www.wsu.edu/~wsherb/). WA Specimen
WS. Specimen at Washington State University, Pullman, Washington, (http://www.wsu.edu/~wsherb/). WA Specimen
WTU. Specimen at University of Washington, Seattle, Washington, (http://www.washington.edu/burkemuseum/collections/herbarium/index.php). WA Specimen
WTU. Specimen at University of Washington, Seattle, Washington, (http://www.washington.edu/burkemuseum/collections/herbarium/index.php). WA Specimen
WTU. Specimen at University of Washington, Seattle, Washington, (http://www.washington.edu/burkemuseum/collections/herbarium/index.php). WA Specimen
WTU. Specimen at University of Washington, Seattle, Washington, (http://www.washington.edu/burkemuseum/collections/herbarium/index.php). WA Specimen
WTU. Specimen at University of Washington, Seattle, Washington, (http://www.washington.edu/burkemuseum/collections/herbarium/index.php). WA Specimen
Weakley, A.S. 1996. Flora of the Carolinas and Virginia. Unpublished NC Literature
Weber, W.A., and B.C. Johnston. 1976. Natural History inventory of Colorado. I. Vascular plants, Lichens, and Bryophytes. University of Colorado Museum, Boulder CO Literature
Weber, W.R., and W.T. Corcoran. 1993. Atlas of Missouri vascular plants. Unpublished. Southwest Missouri State University and the Missouri Native Plant Society MO Literature
Weishaupt, C.G. 1971. Vascular plants of Ohio. Kendall/Hunt Publishing Co., Dubuque OH Literature
Welsh, S.L., N.D. Atwood, L.C. Higgins, and S. Goodrich. 1987. A Utah flora. Great Basin Naturalist Memoirs No. 9. Brigham Young University Press, Provo UT Literature
West Virginia county level data WV Literature
Wetter, M.A., T.S. Cochrane, M.R. Black, and H.H. Iltis. 1998. Checklist of the vascular plants of Wisconsin. Unpublished WI Literature
Wherry, E.T., J.M. Fogg, and H.A. Wahl. 1979. Atlas of the flora of Pennsylvania. Morris Arboretum, Philadelphia PA Literature
Wiberg, C., and S. Greene. 1985. Blackwater Island Research Natural Area. Federal Research Natural Areas in Oregon and Washington: A Guidebook for Scientists and Educators, Supplement No. 11 WA Literature
Wieland, R.G. 2004. County observation records of Mississippi Vegetation Survey Project (Samples taken 9-1989 to 11-2003, inclusive of collection records and of field surveys by other authors). Mississippi Museum of Natural Science, Department of Wildlife, Fisheries and Parks, Jackson MS Literature
Wieland, R.G. 2004. County records of Mississippi collections (#5501-9869, 9/12/89 to 1/23/04) deposited at Mississippi Museum of Natural Science Herbarium (MMNS). Mississippi Museum of Natural Science, Department of Wildlife, Fisheries and Parks, Jackson MS Literature
Wilken, Dieter. Personal communication CA Literature
Wisconsin vascular plants (http://www.botany.wisc.edu/herbarium). Wisconsin State Herbarium: University of Wisconsin - Madison WI Literature
Wunderlin, R.P., B.F. Hansen,and E.L. Bridges. 1996. Atlas of Florida vascular plants: CD-ROM. University of South Florida, Tampa FL Literature
Wunderlin, R.P., and B.F. Hansen. 2008. Atlas of Florida Vascular Plants (http://florida.plantatlas.usf.edu) [online: accessed on 8 November 2014]. Institute for Systematic Botany, University of South Florida, Tampa, FL FL Literature
Wymer, N.E. 1987. Plant list of California Exposition floodplain, Fall 1986 and Spring 1987. Unpublished. Wymer & Associates, Citrus Heights, CA CA Literature
Yatskievych, G., and J. Turner. 1990. Catalogue of the flora of Missouri. Monographs in Systematic Botany from the Missouri Botanical Garden 37. Missouri Botanical Garden, St. Louis MO Literature
 
 
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