Occurrence, Concentration, and Toxicity of Pyrrolizidine Alkaloids in Crotalaria Seeds von Williams, M. Coburn, Molyneux, Russell J.

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Effect of Sodium and Potassium Salts on Growth and Oxalate Content of Halogeton von Williams, M. Coburn

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Twenty-year control of California false-hellebore von Williams, M. Coburn

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Defensive Strategy for Poisonous Introduced Plants von Williams, M. Coburn

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Control of annual goldeneye (Viguiera annua) on rangeland von Williams, M.C. (USDA, ARS, Poisonous Plant Res. Lab., Logan, UT)

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Effect of Nitrogen, Sodium, and Potassium on Nitrate and Oxalate Concentration in Kikuyugrass von Williams, M. Coburn, Burton J. Smith, Rafael Lopez V.

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Weeds that affect human health

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Biochemical Analyses, Germination, and Production of Black and Brown Seed of Halogeton glomeratus von Williams, M. Coburn

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Effect of Herbicides on Miserotoxin Concentration in Wasatch Milkvetch (Astragalus miser var. oblongifolius) von Williams, M. Coburn, Ralphs, Michael H.

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Total Alkaloid, Crude Protein, and Fiber Concentrations in Velvet Lupine (Lupinus leucophyllus) Following Herbicide Application von Ralphs, Michael H., Williams, M. Coburn

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Effects of Herbicides on the Capacity of Spring Parsley to Photosensitize Chickens von Williams, M. Coburn

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The occurrence of nitro-toxins in North American astragalus (Fabaceae) von Williams, M.C, Barneby, R.C

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Herbicidal Control of Velvet Lupine (Lupinus leucophyllus) von Michael H. Ralphs, Williams, M. Coburn, Turner, David L.

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Xanthotoxin and Bergapten in Spring Parsley von Williams, M. Coburn

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Distribution of Organic Nitrites in Astragalus von Williams, M. Coburn, Parker, Robert

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Phytotoxin Tables von Duke, James A., Williams, M. Coburn

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occurrence of nitro toxins in old world and South American Astragalus (Fabaceae) von Williams, M.C, Barneby, R.C

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Photosensitizing Effects of Cymopterus watsonii and Cymopterus longipes in Chickens and Turkey Poults von Egyed, Michael N., Williams, M. Coburn

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Dormancy, Longevity, and Germination of Seed of Three Larkspurs and Western False Hellebore von Williams, M. Coburn, Cronin, Eugene H.

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Miserotoxin, a toxic compound in Astragalus michauxii von Williams, M.Coburn, Yost, Garold S., Stermitz, Frank R.

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