Its hard to say which is the most durable. An internet search brings up some good answers. Alder wood is mentioned a few times for its durability underwater due to high oil content. Different continents have different recommendations of wood due to availability in the area.
Black locust tree.
PRESSURE TREATED WOOD, CEDAR, REDWOOD
The best wood for a deck is generally considered to be oak. This is a very durable and resistant wood that, when treated properly, can last for many years.
woods cann't be water proof because the cells of wood take H2O for its growth ,even a dead tree also have tendency to take water.
Termites will eat any type of wood, as long as the wood is dead. You can get special termite treated wood that they will not eat, ask at your local timber supplier, most of them will probably have to order it in.
Yes, most of them are wood, and will resist stains.
Western red cedar is a natural rot resistant soft wood.
high shining,wear resistant,water resistant,widely used
There are some exotic woods that are water 'resistant' but all are way too expensive for common use anyway. Teak is about the most practical.
There is no water-resistant wood. However, bamboo is a very durable grass (not wood) and can be used in a bathroom as it has some water-resistant properties. If you are unsure about it then I would recommend you go with wood-look vinyl, the Brand I prefer is Amtico very durable and natural looking.
Petrified wood is usually silicified. Specimens could be washed with a mild detergent, small brush and plenty of water and left to dry naturally. Most petrified wood would be naturally resistant to weathering.
Cedar wood is the most water absorbent wood possible. Between its absorbency and color, cedar wood has been a popular choice for people who are redoing their floors and cabinets.