Plant, Pest, Noxious Weed and Soil Permits
Organism permits include plant pests such as insects and snails; plant pathogens such as fungi, bacteria, and virus'; biological control agents, bees, plant pest diagnostic laboratories, soil microbe isolation laboratories, federal noxious weeds and parasitic plants. The following link will direct you to USDA's Regulated Organism and Soil Permits page.
Plant and plant product permits include plants for planting such as nursery stock, small lots of seed, and postentry; plant products such as fruits and vegetable, timber, cotton and cut flowers; protected plants and plant products such as orchids, and threatened and endangered plant species; transit permits to ship regulated articles into, through, and out of the U.S.; and departmental permits to import prohibited plant materials for research. The following link will direct you to USDA's Plant and Plant Product Permits page.