Several types of wood are known for their exceptional strength and durability. Here are a few examples of some of the strongest wood species:

1. Lignum Vitae: Lignum Vitae is often considered one of the strongest and densest woods in the world. It has high mechanical strength, natural oils that contribute to its durability, and excellent resistance to impact and wear.
2. Ebony: Ebony wood is known for its hardness and strength. It has a tight grain structure and high density, making it resistant to warping, bending, and impact. Ebony is commonly used for musical instruments, fine furniture, and decorative items.
3. Ironwood: Ironwood is a general term that refers to several hardwood species known for their exceptional strength and density. Examples include Desert Ironwood, Australian Buloke, and African Black Ironwood. Ironwood species have high bending and crushing strength, making them incredibly durable.
4. Snakewood: Snakewood is a dense and strong wood with a distinctive reddish-brown color and characteristic grain patterns resembling the skin of a snake. It is highly prized for its hardness, durability, and attractive appearance.
5. Hickory: Hickory wood is renowned for its strength and toughness. It has excellent shock resistance, making it suitable for tool handles, sports equipment, and other applications requiring strength and durability.
6. Teak: Teak is a tropical hardwood known for its strength, durability, and resistance to decay and insects. It has a dense and straight grain structure that contributes to its stability and strength.

It's important to note that wood strength can vary depending on various factors, including growth conditions, specific species, and the part of the tree from which the wood is obtained. Additionally, different wood species have different strengths in different directions (along the grain, across the grain, etc.), which can influence their practical applications.

While these woods are known for their strength, it's always recommended to consider the specific requirements of your project and consult with experts or professionals in the field to determine the most suitable wood for your needs.