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                    U.S. DEPARTMENT OF AGRICULTURE
 Poisonous Plant Research: Logan, UT
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               Directions
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               Main
               Poisonous Plants By Toxic Syndrome
               Poisonous Plant Class - Spring 2010
               Stakeholder Meetings
               Awards & Recognition
               Michael Ralphs, Rangeland Scientist
               Terrie Wierenga, Biological Science Technician
               Larkspur Published Research
               Locoweed Published Research
               Lupine Published Research
               Other Plants Published Research
               Pine Needles Published Research
               New Bulletin 415
               Arrowgrass (Triglochin maritima and T. palustris)
               Chokecherry (Prunus virginana)
               Bitter Rubberweed (Hymenoxys odorata)
               Western Bracken Fern (Pteridium aquilinum)
               Copperweed
               Deathcamas (Zigadenus gramineus, Z. venenosus, Z. paniculatus, Z. nuttallii)
               Greasewood (Sarcobatus vermiculatus)
               Threadleaf and Riddell's Groundsels (Senecio longilobus and S. riddellii)
               Halogeton (Halogeton glomeratus)
               Hemp Dogbane (Apocynum cannabinum)
               Horsebrush (Tetradymia glabrata, T. canescens)
               Larkspur (Delphinium spp.)
               Locoweed (Astragalus and Oxytropis spp.)
               Lupine (Lupinus spp.)
               Milkvetch (Astragalus spp.)
               Milkweed (Asclepias spp.)
               Nitrate-accumulating plants
               Oak (Quercus spp.)
               Other toxic plants
               Colorado Rubberweed or Pingue (Hymenoxys richardsoni)
               Poison Hemlock (Conium maculatum)
               Ponderosa Pine (Pinus ponderosa)
               Rayless Goldenrod (Haplopappus heterophyllus)
               Selenium-Accumulating Plants
               Broom and Threadleaf Snakeweed (Gutierrezia sarothrae, G. microcephala)
               Sneezeweed (Helenium hoopesii)
               Spring Parsley (Cymopterus watsonii)
               St. Johnswort (Hypericum perforatum)
               Tansy Ragwort (Senecio jacobaea)
               False Hellebore (Veratrum californicum)
               Water hemlock (Cicuta douglasii)
               Yew (Taxus spp.)
               Bulletin 415
               International Journal of Poisonous Plant Research
               ISOPP Main
               ISOPP1
               ISOPP2
               ISOPP3
               ISOPP4
               ISOPP5
               ISOPP6
               ISOPP7
               ISOPP8
               Stakeholder Meetings (1)
               IACUC


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