Weeds and Diseases Tropical Soda AppleTropical ChickweedSweet Scented JasmineOlive HymenachneNut GrassMickey Mouse PlantInch PlantFlick WeedChickweed – Stellaria mediaAfrican Tulip Tree In this section we have listed a number of pests and diseases that affect our gardens and environment. Take a moment to peruse Posted in Plant Index.