indicium

black snakeroot, yew, cocklebur, poison (ivy, oak, parsnip, sumac, ryegrass, hemlock), blister bushes, daffodil, mayapple, lilium, jerusalem cherry, indian licorice, deadly nightshade, christmas rose, bleeding heart, asparagus berries, wolfsbane, tomato leaves, doll’s eyes, the suicide tree, young larkspur, blue-green algae, stinkweed, dumbcane, european spindle, blind-your-eye mangrove, manchineel, laburnum, mother of millions, elderberry root, bacterial pathogens, exotoxins, mycotoxins, grayanotoxins, rhinovirus, chicken pox, sleeping sickness, cholera, yellow fever, typhoid, rotavirus, river blindness, measles, japanese encephalitis, hepatitis (a,b & c), cryptosporidiosis, shigella infection, pneumonia, meningitis, tuberculosis, schistosomiasis, malaria, influenza, herpes (1 & 2), crab louse, scabies, chlamydia, gonorrhea, syphilis, chancroid, trichomoniasis, hpv, hiv/aids, ebola virus, marburg virus, mad cow disease, mudslides, avalanches, blizzards, storms, cyclones, hurricanes, tsunamis,  tornadoes, earthquakes, floods, fires, supervolcanic eruptions: evidence of absence.