Minecraft wiki entry for Structure, associated text: 1 Materials
1.1 Oak Tree
1.1.1 Normal
1.1.2 Balloon
1.1.3 Swampland
1.2 Spruce Tree
1.2.1 Normal
1.2.2 Matchstick
1.3 Birch Tree
1.4 Jungle Tree
1.5 Jungle Bush
1.6 Acacia Tree
1.7 Dark Oak Tree
1.8 Azalea
1.9 Mangrove
2 Blueprint
2.1 Oak Tree
2.1.1 Normal
2.1.2 Balloon
2.1.3 Swampland
2.2 Spruce Tree
2.2.1 Normal
2.2.2 Matchstick
2.3 Birch Tree
2.4 Jungle Tree
2.5 Jungle Bush
2.6 Acacia Tree
2.7 Dark Oak Tree
2.8 Azalea
2.9 Mangrove