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  • Tanoak (Lithocarpus densiflorus (Hook & Arn.) Rehd.) root dieback : below- and aboveground site occupancy by stump-sprouts in southwest Oregon 
    Ahrens, Glenn R. (1989-12-14)
    Residual roots from previous stand components are often cited as a major benefit to stump-sprouts of tanoak in southwest Oregon and northern California. Established patterns of belowground carbon allocation and root/shoo ...
  • Tansy ragwort 
    Oregon State University. Extension Service; Washington State University. Extension Service; University of Idaho. Extension Service ([Covallis, Or.] : Oregon State University Extension Service, 1981-11)
  • Tansy ragwort 
    Oregon State University. Extension Service; Washington State University. Cooperative Extension; University of Idaho. Cooperative Extension Service ([Covallis, Or.] : Oregon State University Extension Service, 1985-04)
  • Tansy ragwort 
    Oregon State University. Extension Service; Washington State University. Cooperative Extension; University of Idaho. Cooperative Extension Service ([Covallis, Or.] : Oregon State University Extension Service, 1987-07)
  • Tansy ragwort 
    Oregon State University. Extension Service; Washington State University. Cooperative Extension; University of Idaho. Cooperative Extension Service ([Covallis, Or.] : Oregon State University Extension Service, 1983-02)
  • Tansy ragwort 
    Oregon State University. Extension Service; Washington State University. Extension; University of Idaho. Extension; Hepworth, Homer M.; Guelette, Lee O. ([Covallis, Or.] : Oregon State University Extension Service, 1977-04)
  • Tansy Ragwort 
    Oregon State University. Extension Service; Washington State University. Extension; University of Idaho. Extension; Mallory-Smith, C.; Burrill, L. C.; Callihan, R. H.; Parker, R.; Radtke, H.; |Pacific Northwest Cooperative Extension|Coombs, Eric ([Covallis, Or.] : Oregon State University Extension Service, 1997-07)
  • Tansy ragwort : a poisonous weed 
    Oregon State University. Cooperative Extension Service; Washington State University. Extension Service; University of Idaho. Agricultural Extension Service; Burr, Ronald J., 1945- ([Covallis, Or.] : Cooperative Extension Service, Oregon State University, Washington State University Extension Service, University of Idaho Agricultural Extension Service and the U.S. Dept. of Agriculture, 1972-05)
  • Tansy ragwort : a poisonous weed 
    Oregon State University. Extension Service; Washington State University. Cooperative Extension; University of Idaho. Cooperative Extension Service ([Covallis, Or.] : Oregon State University Extension Service, 1974-07)
  • Tansy ragwort : an increasing problem in western Oregon 
    Oregon State University. Extension Service (Corvallis, Or. : Extension Service, Oregon State University, 1974-05)
  • Tansy ragwort, seaside tansy, and tansy 
    Oregon State College. Federal Cooperative Extension Service; Jenkins, Lawrence; Jackman, E. R. (Edwin Russell), 1894- (Corvallis, Or. : Federal Cooperative Extension Service, Oregon State College, 1941-07)
  • Tansy ragwort, Senecio jacobaea 
    Oregon State University. Extension Service ([Corvallis, Or.] : Oregon State University, Extension Service, 2008-09)
    Tansy ragwort is a member of the sunflower family and is native to much of Europe, Asia, and Siberia. In the United States, it was recorded first in California in 1912, then in Oregon in 1922.
  • Tansy ragwort, Senecio jacobaea L. 
    Oregon State University. Extension Service; Washington State University. Cooperative Extension; University of Idaho. Cooperative Extension Service; Burrill, L. C.; United States. Dept. of Agriculture ([Corvallis, Or.] : Oregon State University Extension Service ; [Olympia, Wash.] : Washington State University Cooperative Extension ; [Moscow, Idaho] : University of Idaho Cooperative Extension System ; [Washington, D.C.] : U.S. Dept. of Agriculture, 1994-08)
  • Tansy ragwort...a poisonous weed 
    Oregon State College. Federal Cooperative Extension Service; Warren, Rex; Freed, Virgil (Corvallis, Or. : Federal Cooperative Extension Service, Oregon State College, 1951-05)
  • Tansy ragwort...a poisonous weed (Revised November 1965 
    Oregon State University. Federal Cooperative Extension Service; Warren, Rex (Corvallis, Or. : Federal Cooperative Extension Service, Oregon State University, 1965-11)
  • Tantalizing tidbits for teens: do we eat their words? 
    Oregon State University. Extension Service; Raab, Carolyn (Corvallis, Or. : Extension Service, Oregon State University, 1984-01)
  • Tantalizing tidbits for teens: Dr. Quack's quickie weight loss diets 
    Oregon State University. Extension Service; Gangler, Sue (Corvallis, Or. : Extension Service, Oregon State University, 1984-01)
  • Tantalizing tidbits for teens: food for fitness -- a winning combination 
    Oregon State University. Extension Service; Bussard, Marie (Corvallis, Or. : Extension Service, Oregon State University, 1984-01)
  • Tantalizing tidbits for teens: snack attack 
    Oregon State University. Extension Service; Raab, Carolyn A. (Corvallis, Or. : Extension Service, Oregon State University, 1984-01)
  • Taper equations for six conifer species in southwest Oregon 
    Walters, David K.; Hann, David W.; Oregon State University. Forest Research Laboratory (Corvallis, Or. : Forest Research Lab, College of Forestry, Oregon State University, 1986-08)

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