USDA and NRCS Identifier NRCS Logo
USDA.gov Web Site PLANTS photo banner
PLANTS Home about PLANTS PLANTS Team Partners of PLANTS What's New at PLANTS National Plant Data Center Web Site Help using PLANTS Contact PLANTS
 
 Search the PLANTS Web site
 Name Search

PLANTS Topics
 
 
PLANTS Image Gallery
 
 
Download PLANTS data
 
 
Related tools
 
 
 
You are here: Home / Profile Page / Data Source and Documentation for Helianthus laevigatus Torr. & A. Gray Printer-Friendly Printer-Friendly
PLANTS Profile

 

Helianthus laevigatus Torr. & A. Gray
smooth sunflower

Data Source

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

Data Documentation

Documentation State Type
Maryland Natural Heritage Program. 1997. Rare, threatened and endangered plants of Maryland (20 October 2002). Maryland Department of Natural Resources, Maryland. Literature
Moore, Jennifer A. Personal communication. GA Literature
Cusick, A.W. 1986. Significant additions to the vascular flora of western Maryland. Castanea 51: 129-136. MD Literature
Maryland Heritage and Biodiversity Conservation Programs. MD Literature
Maryland Wildlife and Heritage Service. 2010. Rare, Threatened and Endangered Plants. Maryland Department of Natural Resources, Annapolis, MD. MD 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
Fernald, M.L. 1950. Gray's manual of botany, 8th ed. American Book Company, New York. PA 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
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
Strausbaugh, P.D., and E.L. Core. 1977. Flora of West Virginia, 2nd ed., 4 vols. West Virginia Bulletin, Morgantown. WV Literature
West Virginia county level data. WV Literature
 
 
Time Generated: 08/10/2020 07:25 AM CDT