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PLANTS Profile

 

Laennecia Cass.
horseweed

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
1977. Survey of sensitive plants of the Algodones Dunes (report for Bureau of Land Management, Riverside, CA). Unpublished. Westec Services Inc., Tustin, CA. CA Literature
2000. CalFlora: Information on California plants for education, research and conservation. The CalFlora Database, Berkeley. CA Literature
2001. Journal of the Arizona-Nevada Academy of Science. AZ Literature
Butterworth, G., and A. Chadwick. 1995. Checklist of plants, Carrizo Plain Natural Area, rev. (1997-2000). Unpublished. CA Literature
Damrel, D., D.J. Pinkava, and L.R. Landrum. The Phoenix flora. AZ 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
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. UT Literature
Hickman, J.C. (ed.). 1993. The Jepson manual. University of California Press, Berkeley. CA Literature
Hogan, Tim. Personal communication. CO Literature
Imdorf, G.J. 1995. Flora and vegetation of the Sierra Ancha Wilderness Area, Tonto National Forest, Gila County, Arizona. M.S. Thesis. Arizona State University, Tempe. AZ Literature
Johnston, B. 1991. List of Colorado plants. Unpublished. CO 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 Unpublished.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
Kearney, T., and R.H. Peebles. 1960. Arizona flora with supplement. University of California Press, Los Angeles. AZ Literature
Martin, W.C., and C.R. Hutchins. 1980. A flora of New Mexico. Strauss & Cramer, Germany. NM Literature
NMC. Specimen at New Mexico State University, Las Cruces, New Mexico. NM Specimen
NMC. Specimen at New Mexico State University, Las Cruces, New Mexico. NM Specimen
NMC. Specimen at New Mexico State University, Las Cruces, New Mexico. NM Specimen
Nesom, Guy L. Personal communication. TX Literature
Shultz, Leila M. Personal communication. UT Literature
Specimen Management System for California Herbaria (SMASCH). CA Literature
TEX. Specimen at University of Texas, Austin, Texas. TX Specimen
TEX. Specimen at University of Texas, Austin, Texas. TX Specimen
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. NM Specimen
UNM. Specimen at University of New Mexico, Albuquerque, New Mexico. NM Specimen
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
Wilken, Dieter. Personal communication. CA Literature
Wymer, N.E. 1987. Plant list of California Exposition floodplain, Fall 1986 and Spring 1987. Unpublished. Wymer & Associates, Citrus Heights, CA. CA Literature
 
 
Time Generated: 10/31/2014 05:08 PM MDT