| Problem | Publication |

William Jacobi, Colorado State University, Bugwood.org
| Anthracnose (Asteroma) | Shade Tree Anthracnose |

Paul Bachi, University of Kentucky Research and Education Center, Bugwood.org
| Black Spot (Gnomonia) | Elm Anthracnose |

William Jacobi, Colorado State University, Bugwood.org
| Canker (Botryosphaeria) | Canker Sampling of Trees and Woody Ornamentals |

Penn State Department of Plant Pathology & Environmental Microbiology Archives, Penn State University, Bugwood.org
| Dutch Elm Disease (Ophiostoma) | US Forest Service Pest Alert - Dutch Elm Disease (DED) and the American Elm |

Pennsylvania Department of Conservation and Natural Resources - Forestry , Bugwood.org
| Elm Yellows (Phytoplasma) | US Forest Service Pest Alert - Elm Yellows |

Steven Katovich, Bugwood.org
| Aphids | Aphids |

Gerald J. Lenhard, Louisiana State University, Bugwood.org
| Elm Leaf Beetle | Elm Leaf Beetle |

Andrew J. Boone, South Carolina Forestry Commission, Bugwood.org
| Elm Eriophyid Mite | Elm Eriophyid Mite |