Common types of woodgrain used in coffins include:

Oak: Oak has a unique texture and warm golden tone, which is often considered a high-end wood selection for coffin design.
Walnut: Walnut is dark in color, has rich wood grain and prominent texture, and is a high-end coffin material choice.
Maple: Maple is a light-colored wood with subtle texture and is often used in modern and minimalist coffin designs.
Pine: Pine is a softwood with a lighter color and less obvious grain, often used in country-style coffin designs.
Rosewood: Rosewood has a reddish-brown color and delicate texture, and is usually considered a very high-end coffin material choice.

These are just some common types of woodgrain paper, and there are many other types of woodgrain paper on the market to meet different styles and needs of coffin design.