| Problem | Publication |

Cesar Calderon, Cesar Calderon Pathology Collection, USDA APHIS PPQ, Bugwood.org
| Tip Blight (Pestalotiopsis) | Pestalotiopsis Tip Blight on Arborvitae |

Penn State Department of Plant Pathology & Environmental Microbiology Archives, Penn State University, Bugwood.org
| Root Rot (Phytophthora) | Common Diseases of Spruce in Kentucky |

Jennifer Olson, Oklahoma State University, Bugwood.org
| Canker (Seiridium) | Canker Sampling of Trees and Woody Ornamentals |

Minnesota Department of Natural Resources - FIA, Minnesota Department of Natural Resources, Bugwood.org
| Environmental (Winter Drying) | Leaf Scorch and Winter Drying of Woody Plants |

Jason Sharman, Vitalitree, Bugwood.org
| Bagworm | Bagworms on Landscape Plants |

Rayanne Lehman, Pennsylvania Department of Agriculture, Bugwood.org
| Spider Mite | Spider Mites on Landscape Plants |

Penn State Department of Plant Pathology & Environmental Microbiology Archives, Penn State University, Bugwood.org
| Root Rot (Phytophthora) | Common Diseases of Spruce in Kentucky |