Because it is exposed to the elements, the wood you use must be able to withstand exposure to the sun, heat, cold, rain and snow, plus it needs to be resistant to fungus and insects. Below is an overview of the various woods recommended for outside wood trim and a cost-benefit analysis of each type of wood. These costs are only for the wood; you will have to figure in labor and design costs separately. Of all the woods for exterior applications, western red cedar is usually a top choice. It resists decay and insects. Additionally, it can be stained or painted. Its natural look works well for fascia boards, corner boards and trim around windows and doors.
Fungal diseases are often caused by fungi that are common in the environment. Most fungi are not dangerous, but some types can be harmful to health. Mild fungal skin diseases can look like a rash and are very common. Fungal diseases in the lungs are often similar to other illnesses such as the flu or tuberculosis.
Pathogenic fungi are fungi that cause disease in humans or other organisms. The study of pathogenic fungi is referred to as  medical mycology .. Although fungi are eukaryotic organisms, many pathogenic fungi are also microorganisms.Fungicides, such as ziram are used to protect plants against fungal infections.athogenic fungi are fungi that cause disease in humans or other organisms. The study of pathogenic fungi is referred to as  medical mycology .. Although fungi are eukaryotic organisms, many pathogenic fungi are also microorganisms.