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ARS Home » Pacific West Area » Logan, Utah » Poisonous Plant Research » Research » Research Project #436003

Research Project: Understanding and Mitigating the Adverse Effects of Poisonous Plants on Livestock Production Systems

Location: Poisonous Plant Research

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)

Indole-diterpenes alkaloid profiles of native grasses involved in tremorgenic syndromes in the Argentine Patagonia Reprint Icon - (Peer Reviewed Journal)
Zabaleta, G., Lee, S.T., Cook, D., Aguilar, M., Ianonne, L.J., Robles, C., Martinez, A. 2022. Indole-diterpenes alkaloid profiles of native grasses involved in tremorgenic syndromes in the Argentine Patagonia. Toxicon. 217:107-111. https://doi.org/10.1016/j.toxicon.2022.08.001.

Identification of two death camas chemotypes within a population and evaluation of toxicity Reprint Icon - (Peer Reviewed Journal)
Stonecipher, C.A., Lee, S.T., Welch, K.D., Gardner, D.R., Cook, D. 2022. Identification of two death camas chemotypes within a population and evaluation of toxicity. Toxicon. 215:6-10. https://doi.org/10.1016/j.toxicon.2022.05.047.

Supranutritional selenium-yeast supplementation of beef cows during the last trimester of pregnancy results in higher whole-blood selenium concentrations in their calves at weaning, but not enough to improve nasal microbial d Reprint Icon - (Peer Reviewed Journal)
Hall, J.A., Isaiah, A., McNett, E.L., Klopfenstein, J.J., Davis, T.Z., Suchodolski, J.S., Bobe, G. 2022. Supranutritional selenium-yeast supplementation of beef cows during the last trimester of pregnancy results in higher whole-blood selenium concentrations in their calves at weaning, but not enough to improve nasal microbial diversity. Animals. 12(11). Article 1360. https://doi.org/10.3390/ani12111360.

Mineral-salt supplementation to ameliorate larkspur poisoning in cattle Reprint Icon - (Peer Reviewed Journal)
Stonecipher, C.A., Green, B.T., Welch, K.D., Gardner, D.R., Fritz, S., Cook, D., Pfister, J.A. 2022. Mineral-salt supplementation to ameliorate larkspur poisoning in cattle. Journal of Animal Science. 100(5):01-14. Article skac133. https://doi.org/10.1093/jas/skac133.

Localization of the fungal symbiont (Chaetothyriales) in Ipomoea carnea Reprint Icon - (Peer Reviewed Journal)
Pistan, M.E., Gutierrez, S.A., Schnittger, L., Gardner, D.R., Cholich, L.A., Gonzalez, A.M. 2022. Localization of the fungal symbiont (Chaetothyriales) in Ipomoea carnea. Botany. 00:1-8. https://doi.org/10.1139/cjb-2022-0033.

Phylogenetic comparison of swainsonine biosynthetic gene clusters among fungi Reprint Icon - (Peer Reviewed Journal)
Neyaz, M., Das, S., Cook, D., Creamer, R. 2022. Phylogenetic comparison of swainsonine biosynthetic gene clusters among fungi. The Journal of Fungi. 8(4). Article 359. https://doi.org/10.3390/jof8040359.

Broom snakeweed extracts dosed to late-term pregnant cattle do not cause premature parturition Reprint Icon - (Peer Reviewed Journal)
Gardner, D.R., Green, B.T., Stegelmeier, B.L., Welch, K.D. 2022. Broom snakeweed extracts dosed to late-term pregnant cattle do not cause premature parturition. Poisonous Plant Research. 5:13-21. https://doi.org/10.26077/15eb-503b.

Aging-associated changes in motor function are ovarian somatic tissue-dependent, but germ cell and estradiol independent in post-reproductive female mice exposed to young ovarian tissue Reprint Icon - (Peer Reviewed Journal)
Habermehl, T., Underwood, K., Welch, K.D., Gawrys, S., Parkinson, K., Schneider, A., Masternak, M., Mason, J. 2022. Aging-associated changes in motor function are ovarian somatic tissue-dependent, but germ cell and estradiol independent in post-reproductive female mice exposed to young ovarian tissue. GeroScience. https://doi.org/10.1007/s11357-022-00549-9.

Phylogenetic patterns of swainsonine presence in morning glories Reprint Icon - (Peer Reviewed Journal)
Quach, Q.N., Gardner, D.R., Clay, K., Cook, D. 2022. Phylogenetic patterns of swainsonine presence in morning glories. Frontiers in Microbiology. 13. Article 871148. https://doi.org/10.3389/fmicb.2022.871148.

Localization of the swainsonine-producing Chaetothyriales symbiont in the seed and shoot apical meristem in its host Ipomoea carnea Reprint Icon - (Peer Reviewed Journal)
Neyaz, M., Gardner, D.R., Creamer, R., Cook, D. 2022. Localization of the swainsonine-producing Chaetothyriales symbiont in the seed and shoot apical meristem in its host Ipomoea carnea. Microorganisms. 10(3). Article 545. https://doi.org/10.3390/microorganisms10030545.

Isolated dilated pupil Reprint Icon - (Peer Reviewed Journal)
Ruiz-Barrio, I., Guisado-Alonso, D., Bulnes-Gonzalez, V., Green, B.T. 2022. Isolated dilated pupil. The BMJ. Article 376. https://doi.org/10.1136/bmj-2021-069133.

Intoxication of llamas by Astragalus punae in Argentina Reprint Icon - (Peer Reviewed Journal)
Marin, R.E., Gardner, D.R., Armien, A.G., Fortunato, R.H., Uzal, F.A. 2022. Intoxication of llamas by Astragalus punae in Argentina. Journal of Veterinary Diagnostic Investigation. 34(4):674-678. https://doi.org/10.1177/10406387221094272.

Relative influence of precipitation and grazing on a salt desert shrub plant community - (Peer Reviewed Journal)
Stonecipher, C.A., Thacker, E., Ralphs, M.H. 2022. Relative influence of precipitation and grazing on a salt desert shrub plant community. Western North American Naturalist. 88(2):245-253.

Evaluation of diazepam as a drug treatment for water hemlock (Cicuta species) poisoning in Spanish goats Reprint Icon - (Peer Reviewed Journal)
Green, B.T., Stonecipher, C.A., Welch, K.D., Lee, S.T., Cook, D. 2022. Evaluation of diazepam as a drug treatment for water hemlock (Cicuta species) poisoning in Spanish goats. Toxicon. 205:79-83. https://doi.org/10.1016/j.toxicon.2021.12.003.

Supranutritional maternal organic selenium supplementation during different trimesters of pregnancy affects the muscle gene transcriptome of newborn beef calves in a time-dependent manner Reprint Icon - (Peer Reviewed Journal)
Diniz, W.J., Gerd, B., Klopfenstein, J.J., Gultekin, Y., Davis, T.Z., Ward, A.K., Hall, J.A. 2021. Supranutritional maternal organic selenium supplementation during different trimesters of pregnancy affects the muscle gene transcriptome of newborn beef calves in a time-dependent manner. Genes. 12(12). Article 1884. https://doi.org/10.3390/genes12121884.

Toxic plants Reprint Icon - (Book / Chapter)
Welch, K.D., Green, B.T., Gardner, D.R., Stonecipher, C.A., Cook, D. 2022. Toxic plants. In: Gupta, R.C., editor. Reproductive and Developmental Toxicology. Third Edition. San Diego, CA: Academic Press. p. 933-953. https://doi.org/10.1016/B978-0-323-89773-0.00046-1.

Rapid quantitative analysis of toxic norditerpenoid alkaloids in larkspur (Delphinium spp.) by flow injection - electrospray ionization - mass spectrometry Reprint Icon - (Peer Reviewed Journal)
Gardner, D.R., Lee, S.T., Cook, D. 2021. Rapid quantitative analysis of toxic norditerpenoid alkaloids in larkspur (Delphinium spp.) by flow injection - electrospray ionization - mass spectrometry. Poisonous Plant Research. 4:10-19. https://doi.org/10.26077/jy40-h384.

Plant and Animal Toxins. In: Principles and Methods of Toxicology - (Book / Chapter)

Grazing rotation on restored rangeland as a new tool for medusahead control Reprint Icon - (Peer Reviewed Journal)
Spackman, C., Stonecipher, C.A., Panter, K.E., Villalba, J.J. 2021. Grazing rotation on restored rangeland as a new tool for medusahead control. Western North American Naturalist. 81(3):438-442. https://doi.org/10.3398/064.081.0312.

Genetic relationships in the toxin-producing fungal endophyte, Alternaria oxytropis using polyketide synthase and non-ribosomal peptide synthase genes Reprint Icon - (Peer Reviewed Journal)
Creamer, R., Hille, D.B., Neyaz, M., Nusayr, T., Schardl, C.L., Cook, D. 2021. Genetic relationships in the toxin-producing fungal endophyte, Alternaria oxytropis using polyketide synthase and non-ribosomal peptide synthase genes. The Journal of Fungi. 7(7). Article 538. https://doi.org/10.3390/jof7070538.

Endemic Xanthium strumarium poisoning in cattle in flooded areas of the Araguari River, Minas Gerais, Brazil Reprint Icon - (Peer Reviewed Journal)
Machado, M., Queiroz, C.R.R., Wilson, T.M., Sousa, D.E.R., Castro, M.B., Saravia, A., Lee, S.T., Armien, A.G., Barros, S.S., Riet-Correa, F. 2021. Endemic Xanthium strumarium poisoning in cattle in flooded areas of the Araguari River, Minas Gerais, Brazil. Toxicon. 200:23-29. https://doi.org/10.1016/j.toxicon.2021.06.019.

Protodioscin levels in Brachiaria spp. in a sheep production system and a brief review of the literature of Brachiaria spp. poisoning in ruminants Reprint Icon - (Peer Reviewed Journal)
Gaspar, A.O., Guizelini, C.C., Roberto, F.C., Difante, G.S., Brumatti, R.C., Itavo, C.C., Lemos, R.A., Lee, S.T. 2021. Protodioscin levels in Brachiaria spp. in a sheep production system and a brief review of the literature of Brachiaria spp. poisoning in ruminants. Pesquisa Veterinaria Brasileira. 41. Article e06921. https://doi.org/10.1590/1678-5150-PVB-6921.

Ectopic growth of the Chaetothyriales fungal symbiont on Ipomoea carnea Reprint Icon - (Peer Reviewed Journal)
Noor, A.I., Nava, A., Neyaz, M., Cooke, P., Creamer, R., Cook, D. 2021. Ectopic growth of the Chaetothyriales fungal symbiont on Ipomoea carnea. Botany. 99(10):619-627. https://doi.org/10.1139/cjb-2021-0037.

Toxicity of the swainsonine-containing plant Ipomoea carnea subsp. fistulosa for goats and sheep Reprint Icon - (Peer Reviewed Journal)
Oliveira, C.A., Riet-Correa, G., Lima, E., Medeiros, R., Miraballes, C., Pfister, J.A., Gardner, D.R., Cook, D., Riet-Correa, F. 2021. Toxicity of the swainsonine-containing plant Ipomoea carnea subsp. fistulosa for goats and sheep. Toxicon. 197:40-47. https://doi.org/10.1016/j.toxicon.2021.04.013.

The use of a herbicide as a tool to increase livestock consumption of medusahead (Taeniatherum caput-medusae) Reprint Icon - (Peer Reviewed Journal)
Stonecipher, C.A., Spackman, C., Panter, K.E., Villalba, J.J. 2021. The use of a herbicide as a tool to increase livestock consumption of medusahead (Taeniatherum caput-medusae). Invasive Plant Science and Management. 14(2):106-114. https://doi.org/10.1017/inp.2021.12.

The use of herbarium voucher specimens to investigate phytochemical composition in poisonous plant research Reprint Icon - (Peer Reviewed Journal)
Cook, D., Lee, S.T., Gardner, D.R., Molyneux, R.J., Johnson, R.L., Taylor, C.M. 2021. The use of herbarium voucher specimens to investigate phytochemical composition in poisonous plant research. Journal of Agricultural and Food Chemistry. 69(14):4037-4047. https://doi.org/10.1021/acs.jafc.1c00708.

A suite of rare microbes interacts with a dominant, heritable, fungal endophyte to influence plant trait expression Reprint Icon - (Peer Reviewed Journal)
Harrison, J.G., Beltran, L.P., Buerkle, C.A., Cook, D., Gardner, D.R., Parchman, T.L., Poulson, S.R., Forister, M.L. 2021. A suite of rare microbes interacts with a dominant, heritable, fungal endophyte to influence plant trait expression . The ISME Journal: Multidisciplinary Journal of Microbial Ecology. 15:2763-2778. https://doi.org/10.1038/s41396-021-00964-4.

Hepatotoxicity in cattle associated with Salvia reflexa diterpenes, including 7-hydroxyrhyacophiline, a new seco-clerodane diterpene Reprint Icon - (Peer Reviewed Journal)
Gardner, D.R., Panter, K.E., Stegelmeier, B.L., Stonecipher, C.A. 2021. Hepatotoxicity in cattle associated with Salvia reflexa diterpenes, including 7-hydroxyrhyacophiline, a new seco-clerodane diterpene. Journal of Agricultural and Food Chemistry. 69(4):1251-1258. https://doi.org/10.1021/acs.jafc.0c06390.

Locoweed (Astragalus and Oxytropis) poisoning in horses. In: Hovda, L.R., Benson, D., Poppenga, R.H., editors. Blackwell's Five-Minute Veterinary Consult Clinical Companion: Equine Toxicology - (Book / Chapter)
Stegelmeier, B.L. 2022. Locoweed (Astragalus and Oxytropis) poisoning in horses. In: Hovda, L.R., Benson, D., Poppenga, R.H., editors. Blackwell's Five-Minute Veterinary Consult Clinical Companion: Equine Toxicology. 1st Edition. Hoboken, NJ: John Wiley & Sons, Inc. p. 315-321.

Hemlock (poison hemlock - Conium maculatum; water hemlock - Cicuta spp.) In: Hovda, L.R., Benson, D., Poppenga, R.H., editors. Blackwell's Five-Minute Veterinary Consult Clinical Companion: Equine Toxicology - (Book / Chapter)
Stegelmeier, B.L. 2022. Hemlock (poison hemlock - Conium maculatum; water hemlock - Cicuta spp.) In: Hovda, L.R., Benson, D., Poppenga, R.H., editors. Blackwell's Five-Minute Veterinary Consult Clinical Companion: Equine Toxicology. 1st Edition. Hoboken, NJ: John Wiley & Sons, Inc. p. 287-293.

Pyrrolizidine alkaloids. In: Hovda, L.R., Benson, D., Poppenga, R.H., editors. Blackwell's Five-Minute Veterinary Consult Clinical Companion: Equine Toxicology - (Book / Chapter)
Stegelmeier, B.L. 2022. Pyrrolizidine alkaloids. In: Hovda, L.R., Benson, D., Poppenga, R.H., editors. Blackwell's Five-Minute Veterinary Consult Clinical Companion: Equine Toxicology. 1st Edition. Hoboken, NJ: John Wiley & Sons, Inc. p. 336-343.

Characterization and cytotoxic activity on glial cells of alkaloid-enriched extracts from pods of the plants Prosopis flexuosa and Prosopis nigra (Fabaceae) Reprint Icon - (Peer Reviewed Journal)
Cholich, L.A., Pistan, M.E., Torres, A.M., Ortega, H.H., Gardner, D.R., Bustillo, S. 2020. Characterization and cytotoxic activity on glial cells of alkaloid-enriched extracts from pods of the plants Prosopis flexuosa and Prosopis nigra (Fabaceae). Revista De Biologa Tropical. 69(1): 197-206. https://doi:10.15517/RBT.V69I1.43515.

Clinical, pathological and toxicological characterization of Salvia relexa (lance-leaf sage) poisoning in cattle fed contaminated hay Reprint Icon - (Peer Reviewed Journal)
Panter, K.E., Stegelmeier, B.L., Gardner, D.R., Stonecipher, C.A., Lee, S.T., Kitchen, D., Brackett, A., Davis, C. 2021. Clinical, pathological and toxicological characterization of Salvia relexa (lance-leaf sage) poisoning in cattle fed contaminated hay. Journal of Veterinary Diagnostic Investigation. 33(3):537-547. https://doi.org/10.1177/1040638721995784.

Bracken fern poisoning in animals - (Book / Chapter)
Stegelmeier, B.L. 2020. Bracken fern poisoning in animals. Merck Veterinary Manual. 1:1-6.

Cytotoxic activity induced by the alkaloid extract from Ipomoea carnea on primary murine mixed glial cultures Reprint Icon - (Peer Reviewed Journal)
Cholich, L.A., Pistan, M.E., Torres, A.M., Ortega, H.H., Gardner, D.R., Bustillo, S. 2020. Cytotoxic activity induced by the alkaloid extract from Ipomoea carnea on primary murine mixed glial cultures. Toxicon. 188:134-141. https://doi.org/10.1016/j.toxicon.2020.10.019.

Herbicidal control of deathcamas (Zigadenus paniculatus) Reprint Icon - (Peer Reviewed Journal)
Stonecipher, C.A., Ransom, C., Thacker, E., Welch, K.D., Gardner, D.R., Palmer, M. 2020. Herbicidal control of deathcamas (Zigadenus paniculatus). Weed Technology. 35(3):380-384. https://doi.org/10.1017/wet.2020.102 .

Identifying plant poisoning in livestock in North America Reprint Icon - (Peer Reviewed Journal)
Stegelmeier, B.L., Davis, T.Z., Clayton, M.J., Gardner, D.R. 2020. Identifying plant poisoning in livestock in North America. Veterinary Clinics of North America. 36:661-671. https://doi.org/10.1016/j.cvfa.2020.08.001.

Hepatotoxic plants that poison livestock Reprint Icon - (Peer Reviewed Journal)
Clayton, M.J., Davis, T.Z., Knoppel, E.L., Stegelmeier, B.L. 2020. Hepatotoxic plants that poison livestock. Veterinary Clinics of North America. 36:715-723. https://doi.org/10.1016/j.cvfa.2020.08.003.

Neurotoxic plants that poison livestock Reprint Icon - (Peer Reviewed Journal)
Stegelmeier, B.L., Davis, T.Z., Clayton, M.J. 2020. Neurotoxic plants that poison livestock. Veterinary Clinics of North America. 36:673-688. https://doi.org/10.1016/j.cvfa.2020.08.002.

Plant-induced reproductive disease, abortion and teratology in livestock Reprint Icon - (Peer Reviewed Journal)
Stegelmeier, B.L., Davis, T.Z., Clayton, M.J. 2020. Plant-induced reproductive disease, abortion and teratology in livestock. Veterinary Clinics of North America. 36:735-743. https://doi.org/10.1016/j.cvfa.2020.08.004.

Plants containing urinary tract, gastrointestinal, or miscellaneous toxins that affect livestock Reprint Icon - (Peer Reviewed Journal)
Stegelmeier, B.L., Davis, T.Z., Clayton, M.J. 2020. Plants containing urinary tract, gastrointestinal, or miscellaneous toxins that affect livestock. Veterinary Clinics of North America. 36:701-713. https://doi.org/10.1016/j.cvfa.2020.08.006.

Plant induced myotoxicity in livestock Reprint Icon - (Peer Reviewed Journal)
Davis, T.Z., Stegelmeier, B.L., Clayton, M.J. 2020. Plant induced myotoxicity in livestock. Veterinary Clinics of North America. 36:689-699. https://doi.org/10.1016/j.cvfa.2020.08.005.

Plant induced photosensitvity and dermatitis in livestock Reprint Icon - (Peer Reviewed Journal)
Stegelmeier, B.L., Davis, T.Z., Clayton, M.J. 2020. Plant induced photosensitvity and dermatitis in livestock. Veterinary Clinics of North America. 36:725-733. https://doi.org/10.1016/j.cvfa.2020.08.008.

Fatal stagger poisoning by consumption of Festuca argentina (speg.) Parodi in goats from Argentine Patagonia Reprint Icon - (Peer Reviewed Journal)
Martinez, A., Cook, D., Lee, S.T., Sola, D., Bain, L., Borrelli, L., Acin, C., Gardner, D.R., Robles, C. 2020. Fatal stagger poisoning by consumption of Festuca argentina (speg.) Parodi in goats from Argentine Patagonia. Toxicon. 185:191-197. https://doi.org/10.1016/j.toxicon.2020.08.004.

Diterpenoids from Gutierrezia sarothrae and G. microcephala: chemical diversity, chemophenetics and implications to toxicity in grazing livestock Reprint Icon - (Peer Reviewed Journal)
Gardner, D.R., Cook, D., Larsen, S.W., Stonecipher, C.A., Johnson, R. 2020. Diterpenoids from Gutierrezia sarothrae and G. microcephala: chemical diversity, chemophenetics and implications to toxicity in grazing livestock. Phytochemistry. 178. https://doi.org/10.1016/j.phytochem.2020.112465.

Herbicide control of broom snakeweed (Gutierrizia sarothrae) Reprint Icon - (Peer Reviewed Journal)
Stonecipher, C.A., Ransom, C., Thacker, E., Welch, K.D. 2020. Herbicide control of broom snakeweed (Gutierrizia sarothrae). Poisonous Plant Research. 3:74-81. https://doi.org/10.26077/ze5v-af64.

Spontaneous abortion in cattle after consumption of Hesperocyparis (Cupressus) macrocarpa (Hartw.) Bartel and Cupressus arizonica (Greene) needles in Uruguay Reprint Icon - (Peer Reviewed Journal)
Buroni, F., Gardner, D.R., Boabaid, F.M., Oliveira, L.G., De Nava, G., Lopez, F., Riet-Correa, F. 2020. Spontaneous abortion in cattle after consumption of Hesperocyparis (Cupressus) macrocarpa (Hartw.) Bartel and Cupressus arizonica (Greene) needles in Uruguay. Toxicon. 181:53-56. https://doi.org/10.1016/j.toxicon.2020.04.104.

Seasonal variation in toxic steroidal alkaloids of foothill death camas (Zigadenus paniculatus) Reprint Icon - (Peer Reviewed Journal)
Stonecipher, C.A., Cook, D., Welch, K.D., Gardner, D.R., Pfister, J.A. 2020. Seasonal variation in toxic steroidal alkaloids of foothill death camas (Zigadenus paniculatus). Biochemical Systematics and Ecology. 90. https://doi.org/10.1016/j.bse.2020.104044.

Livestock preference for endophyte-infected or endophyte-free Oxytropis sericea, Ipomoea carnea, and Ipomoea asarifolia Reprint Icon - (Peer Reviewed Journal)
Pfister, J.A., Cook, D., Lee, S.T., Gardner, D.R., Riet-Correa, F. 2020. Livestock preference for endophyte-infected or endophyte-free Oxytropis sericea, Ipomoea carnea, and Ipomoea asarifolia. Poisonous Plant Research. 3:58-73. https://doi.org/10.26077/8h4g-v983.

An evaluation of the susceptibility of goats to larkspur toxicosis Reprint Icon - (Peer Reviewed Journal)
Welch, K.D., Stonecipher, C.A., Gardner, D.R., Green, B.T., Cook, D. 2020. An evaluation of the susceptibility of goats to larkspur toxicosis. Poisonous Plant Research. 3:19-27. https://doi.org/10.26077/y7pp-q806.

Molecular differentiation of Astragalus species and varieties from the Western United States: the chloroplast DNA bridge between evolution and molecular systematics Reprint Icon - (Peer Reviewed Journal)
Neyaz, M., Cook, D., Creamer, R. 2020. Molecular differentiation of Astragalus species and varieties from the Western United States: the chloroplast DNA bridge between evolution and molecular systematics. Poisonous Plant Research. 3:1-18. https://doi.org/10.26077/6vtc-b962.

Intoxication by Astragalus garbancillo var. garbancillo in llamas Reprint Icon - (Peer Reviewed Journal)
Marin, R.E., Micheloud, J.F., Vignale, N.D., Gimeno, E.J., O'Toole, D., Gardner, D.R., Woods, L., Uzal, F.A. 2020. Intoxication by Astragalus garbancillo var. garbancillo in llamas. Journal of Veterinary Diagnostic Investigation. 32(3):467-470. https://doi.org/10.1177/1040638720914338.

The acute toxicity of water hemlock (Cicuta douglasii) in a goat model Reprint Icon - (Peer Reviewed Journal)
Welch, K.D., Stonecipher, C.A., Lee, S.T., Cook, D. 2020. The acute toxicity of water hemlock (Cicuta douglasii) in a goat model. Toxicon. 176:55-58. https://doi.org/10.1016/j.toxicon.2020.02.010.

Geographical and seasonal variation in water hemlock (Cicuta maculata) toxins Reprint Icon - (Peer Reviewed Journal)
Stonecipher, C.A., Welch, K.D., Lee, S.T., Cook, D., Pfister, J.A. 2020. Geographical and seasonal variation in water hemlock (Cicuta maculata) toxins. Biochemical Systematics and Ecology. 89. https://doi.org/10.1016/j.bse.2020.104012.

Dynamics of larkspur (Delphinium barbeyi) pellet consumption and tolerance of the inhibitory effects of larkspur alkaloids on muscle function in cattle Reprint Icon - (Peer Reviewed Journal)
Green, B.T., Pfister, J.A., Gardner, D.R., Welch, K.D., Cook, D. 2020. Dynamics of larkspur (Delphinium barbeyi) pellet consumption and tolerance of the inhibitory effects of larkspur alkaloids on muscle function in cattle. Poisonous Plant Research. 3:28-41. https://doi.org/10.26077/zsrd-d783.

Larkspur poisoning of cattle: plant and animal factors that influence plant toxicity Reprint Icon - (Peer Reviewed Journal)
Green, B.T., Gardner, D.R., Stonecipher, C.A., Lee, S.T., Pfister, J.A., Welch, K.D., Cook, D., Davis, T.Z., Stegelmeier, B.L. 2020. Larkspur poisoning of cattle: plant and animal factors that influence plant toxicity. Rangelands. 42(1):1-8. https://doi.org/10.1016/j.rala.2020.01.004.

Analysis of rumen contents and ocular fluid for toxic alkaloids from goats and cows dosed larkspur (Delphinium berbeyi), lupine (Lupinus leucophyllus), and death camas (Zigadenus paniculatus) Reprint Icon - (Peer Reviewed Journal)
Lee, S.T., Welch, K.D., Stonecipher, C.A., Cook, D., Gardner, D.R., Pfister, J.A. 2020. Analysis of rumen contents and ocular fluid for toxic alkaloids from goats and cows dosed larkspur (Delphinium berbeyi), lupine (Lupinus leucophyllus), and death camas (Zigadenus paniculatus). Toxicon. 176: 21-29. https://doi.org/10.1016/j.toxicon.2020.01.003.

The comparative toxicity of Isocoma species in calves Reprint Icon - (Peer Reviewed Journal)
Davis, T.Z., Green, B.T., Stegelmeier, B.L., Lee, S.T. 2020. The comparative toxicity of Isocoma species in calves. Toxicon: X. 5. https://doi.org/10.1016/j.toxcx.2019.100022.

Microsomal activation, and SH-SY5Y cell toxicity studies of tremetone and 6-hydroxytremetone isolated from rayless goldenrod Isocoma pluriflora and white snakeroot Agertina altissima, respectively Reprint Icon - (Peer Reviewed Journal)
Green, B.T., Lee, S.T., Davis, T.Z., Welch, K.D. 2019. Microsomal activation, and SH-SY5Y cell toxicity studies of tremetone and 6-hydroxytremetone isolated from rayless goldenrod Isocoma pluriflora and white snakeroot Agertina altissima, respectively. Toxicon: X. 5. https://doi.org/10.1016/j.toxcx.2019.100018.

Investigation of the possible pharmacologically active forms of the nicotinic acetylcholine receptor agonist anabaseine Reprint Icon - (Peer Reviewed Journal)
Andrud, K., Xing, H., Bjarne, G., Bloom, L., Mahnir, V., Lee, S.T., Green, B.T., Lindstrom, J., Kem, W. 2019. Investigation of the possible pharmacologically active forms of the nicotinic acetylcholine receptor agonist anabaseine. Marine Drugs. 17:614. https://doi.org/10.3390/md17110614.

North American hard yellow liver disease: an old problem readdressed Reprint Icon - (Peer Reviewed Journal)
Stegelmeier, B.L., Jones, M., Womack, C.P., Davis, T.Z., Gardner, D.R. 2019. North American hard yellow liver disease: an old problem readdressed. Poisonous Plant Research. 2:1-13. https://doi.org/10.26077/6ksg-1685.

Detection of swainsonine-producing endophytes in Patagonian Astragalus species Reprint Icon - (Peer Reviewed Journal)
Martinez, A., Robles, C., Roper, J.M., Gardner, D.R., Neyaz, M., Joelson, N., Cook, D. 2019. Detection of swainsonine-producing endophytes in Patagonian Astragalus species. Toxicon. 117:1-6. https://doi.org/10.1016/j.toxicon.2019.09.020.

Clinical and pathological comparison of Astragalus lentiginosus and Ipomoea carnea poisoning in goats Reprint Icon - (Peer Reviewed Journal)
Carvalho Nunes, L., Stegelmeier, B.L., Cook, D., Pfister, J.A., Gardner, D.R., Riet-Correa, F., Welch, K.D. 2019. Clinical and pathological comparison of Astragalus lentiginosus and Ipomoea carnea poisoning in goats. Toxicon. 171:20-28. https://doi.org/10.1016/j.toxicon.2019.09.016.

Editorial - Plant toxins Reprint Icon - (Peer Reviewed Journal)
Welch, K.D. 2019. Editorial - Plant toxins. Toxicon. 168:140. https://doi.org/10.1016/j.toxicon.2019.07.009.

Herbaspirillum seropedicae as a degrading bacterium of monofluoracetate: effects of its inoculation in goats by ingesting Amorimia septentrionalis and the concentrations of this compound in plants sprayed with the bacterium Reprint Icon - (Peer Reviewed Journal)
Pessoa, D.A., Lopes, J.R., Souza, E.M., Campos, E.M., Medeiros, R.M., Cook, D., Lee, S.T., Riet-Correa, F. 2019. Herbaspirillum seropedicae as a degrading bacterium of monofluoracetate: effects of its inoculation in goats by ingesting Amorimia septentrionalis and the concentrations of this compound in plants sprayed with the bacterium. Pesquisa Veterinaria Brasileira. 39(10):802-806. https://doi.org/10.1590/1678-5150-pvb-6305.

Infection rates and alkaloid patterns of different grass species with systemic Epicloë endophytes Reprint Icon - (Peer Reviewed Journal)
Vikuk, V., Young, C.A., Lee, S.T., Nagabhyru, P., Krischke, M., Mueller, M.J., Krauss, J. 2019. Infection rates and alkaloid patterns of different grass species with systemic Epicloë endophytes. Applied and Environmental Microbiology. 85(17). https://doi.org/10.1128/AEM.00465-19.

Pollen and vegetative secondary chemistry of three pollen-rewarding lupines Reprint Icon - (Peer Reviewed Journal)
Heiling, J.M., Cook, D., Lee, S.T., Irwin, R.E. 2019. Pollen and vegetative secondary chemistry of three pollen-rewarding lupines. American Journal of Botany. 106(5):643–655. https://doi.org/10.1002/ajb2.1283.

Spontaneous poisoning by Palicourea marcgravii (Rubiaceae) in a sheep herd in southeastern Brazil Reprint Icon - (Peer Reviewed Journal)
Koether, K., Lee, S.T., Belluci, R.S., Garcia, R., Pfister, J.A., Cunha, P.J., Rocha, N.S., Borges, A.S., Oliveira-Filho, J.P. 2019. Spontaneous poisoning by Palicourea marcgravii (Rubiaceae) in a sheep herd in southeastern Brazil. Toxicon. 161:1-3. https://doi.org/10.1016/j.toxicon.2019.02.015.

Finding the bad actor: Challenges in identifying toxic constituents in botanical dietary supplements Reprint Icon - (Peer Reviewed Journal)
Roberts, G.K., Gardner, D.R., Foster, P.M., Howard, P.C., Lui, E., Walker, L., Van Breemen, R.B., Auerbach, S.S., Rider, C. 2019. Finding the bad actor: Challenges in identifying toxic constituents in botanical dietary supplements. Food and Chemical Toxicology. 124:431–438. https://doi.org/10.1016/j.fct.2018.12.026.

An evaluation of hair, oral fluid, earwax, and nasal mucus as noninvasive specimens to determine livestock exposure to teratogenic lupine species Reprint Icon - (Peer Reviewed Journal)
Lee, S.T., Stonecipher, C.A., Carriao Dos Santos, F., Pfister, J.A., Welch, K.D., Cook, D., Green, B.T., Gardner, D.R., Panter, K.E. 2019. An evaluation of hair, oral fluid, earwax, and nasal mucus as noninvasive specimens to determine livestock exposure to teratogenic lupine species. Journal of Agricultural and Food Chemistry. 67(1):43–49. https://doi.org/10.1021/acs.jafc.8b05673.

Toxicity of the different vegetative stages of Amorimia pubiflora to sheep Reprint Icon - (Peer Reviewed Journal)
Lima, S.C., Godoy, K.C., Leal, P.V., Lee, S.T., Pfister, J.A., Souza, A.I., De Barros, C.S., Lemos, R.A. 2018. Toxicity of the different vegetative stages of Amorimia pubiflora to sheep. Toxicon. 158:47-50. https://doi.org/10.1016/j.toxicon.2018.11.306.

Neurological syndrome in goats associated with Ipomoea trifida and Ipomoea carnea containing calystegines Reprint Icon - (Peer Reviewed Journal)
Salinas, L.M., Balseiro, A., Jiron, W., Peralta, A., Munoz, D., Fajardo, J., Gayo, E., Martinez, I.Z., Riet-Correa, F., Gardner, D.R., Marin, J.F. 2019. Neurological syndrome in goats associated with Ipomoea trifida and Ipomoea carnea containing calystegines. Toxicon. 157:8-11. https://doi.org/10.1016/j.toxicon.2018.11.291.

Fall panicum (Panicum dichotomiflorum) toxicosis in three juvenile goats Reprint Icon - (Peer Reviewed Journal)
Sillman, S.J., Lee, S.T., Claborn, J., Boruch, J., Harris, S.P. 2018. Fall panicum (Panicum dichotomiflorum) toxicosis in three juvenile goats. Journal of Veterinary Diagnostic Investigation. 31(1):90-93. https://doi.org/10.1177/1040638718820083.

Neonatal mortality associated with sodium monofluoracetate in kids fed with colostrum from goats ingesting Amorimia septentrionalis Reprint Icon - (Peer Reviewed Journal)
Lopes, J.R., Araujo, J.A., Pessoa, D.A., Lee, S.T., Cook, D., Riet-Correa, F., Medeiros, R.M. 2019. Neonatal mortality associated with sodium monofluoracetate in kids fed with colostrum from goats ingesting Amorimia septentrionalis. Pesquisa Veterinaria Brasileira. 39(3):163-167. https://doi.org/10.1590/1678-5150-pvb-5949.

Potencial toxigenico de Astragalus pehuenches Niederl en Argentina - (Peer Reviewed Journal)
Martinez, A., Gardner, D.R., Cook, D., Gimeno, E.J., Robles, C.A. 2019. Potencial toxigenico de Astragalus pehuenches Niederl en Argentina. Revista de Ivestigaciones Agropecuaria. 44(3):378-383.