| Documentation |
State |
Type |
| 1922. Torreya. |
DE |
Literature |
| 1966. Castanea. |
WV |
Literature |
| 1972. Castanea. |
VA |
Literature |
| 1992. Phytologia. |
AK |
Literature |
| Anonymous. Personal communication to John Kartesz. |
DC, TX |
Literature |
| Atwood, J.T., et al. 1973. Check list of Vermont plants. Vermont Botanical and Bird Club. |
VT |
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 Canadian vascular plants. Herbier Marie-Victorin, Institut de recherche en biologie végétale, Université de Montréal. |
AB, BC, MB, NB, NS, ON, PE, QC, SK, YT |
Literature |
| Brown, M.L., and R.G. Brown. 1984. Herbaceous plants of Maryland. Port City Press, Inc., Baltimore. |
MD |
Literature |
| Campbell, C.S., et al. 1995. Checklist of the vascular plants of Maine, 3rd revision. Bulletin of the Josselyn Botanical Society, No. 13. |
ME |
Literature |
| Creso, I. 1984. Vascular plants of western Washington. Johnson Cox Printers, Tacoma. |
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 |
| 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 |
| 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 |
| Eilers, L.J., and D.M. Roosa. 1991. The vascular plants of Iowa. University of Iowa Press, Iowa City. |
IA |
Literature |
| Fisher, T.R. 1988. The Dicotyledoneae of Ohio. Part 3. Asteraceae. Ohio State University Press, Columbus. |
OH |
Literature |
| Grant 88-200 (ALA V0078273). Specimen at University of Alaska Museum, Fairbanks, Alaska. |
AK |
Specimen |
| Grant 90-1281 (ALA V0105941). Specimen at University of Alaska Museum, Fairbanks, Alaska. |
AK |
Specimen |
| Grant 90-1291 (ALA V0105942). Specimen at University of Alaska Museum, Fairbanks, Alaska. |
AK |
Specimen |
| Grant 90-1292 (ALA V0105943). Specimen at University of Alaska Museum, Fairbanks, Alaska. |
AK |
Specimen |
| 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 |
| Hogan, Tim. Personal communication. |
CO |
Literature |
| Hough, M.Y. 1978. New Jersey Wild Plants. Harmony Press, Harmony. |
NJ |
Literature |
| Hébert s.n. (ALA V0119745). Specimen at University of Alaska Museum, Fairbanks, Alaska. |
AK |
Specimen |
| ID. Specimen at University of Idaho, Moscow, Idaho. |
ID |
Specimen |
| Illinois Plant Information Network (ILPIN). |
IL |
Literature |
| Johnston, B. 1991. List of Colorado plants. Unpublished. |
CO |
Literature |
| McAvoy, William. Personal communication. |
DE |
Literature |
| McGregor, R.L. Personal communication. |
KS |
Literature |
| McGregor, R.L., et al. 1977. Atlas of the flora of the Great Plains. Iowa State University Press, Ames. |
ND, NE, SD |
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 |
| NCU. Specimen at University of North Carolina, Chapel Hill, North Carolina. |
NC |
Specimen |
| NCU. Specimen at University of North Carolina, Chapel Hill, North Carolina. |
TN |
Specimen |
| New York Flora Association. 1990. Preliminary vouchered atlas of New York State flora, ed. 1. New York State Museum Institute, Albany. |
NY |
Literature |
| Ownbey, G.B., and T. Morley. 1991. Vascular plants of Minnesota: A checklist and atlas. University of Minnesota Press, Minneapolis. |
MN |
Literature |
| Peck, M.E. 1961. A manual of the higher plants of Oregon, 2nd ed. Oregon State University Press, Corvallis. |
OR |
Literature |
| Radford, A.E., H.A. Ahles, and C.R. Bell. 1965. Atlas of the vascular flora of the Carolinas. Department of Botany Technical Bulletin No. 165. Chapel Hill. |
NC |
Literature |
| Reed, R. 1987. Wisconsin vascular plants. Unpublished. |
WI |
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 |
| Shultz, Leila M. Personal communication. |
UT |
Literature |
| Sorrie, B.A. 1992. County checklist of Massachusetts plants. Unpublished. |
MA |
Literature |
| Viereck 10349 (ALA V0118396). Specimen at University of Alaska Museum, Fairbanks, Alaska. |
AK |
Specimen |
| Voss, E.G. 1985. Michigan flora. Cranbrook Institute of Science, Bloomfield Hills. |
MI |
Literature |
| WS. Specimen at Washington State University, Pullman, Washington. |
WA |
Specimen |
| WTU. Specimen at University of Washington, Seattle, Washington. |
WA |
Specimen |
| 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 |
| 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 |
| Wherry, E.T., J.M. Fogg, and H.A. Wahl. 1979. Atlas of the flora of Pennsylvania. Morris Arboretum, Philadelphia. |
PA |
Literature |
| Whitson, T.D. (ed.) et al. Weeds of the West. Western Society of Weed Science in cooperation with Cooperative Extension Services, University of Wyoming, Laramie, Wyoming. |
|
Literature |
| Wisconsin vascular plants. Wisconsin State Herbarium: University of Wisconsin - Madison. |
WI |
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 |