Potential Resources
World Placement Rules
BiomesPer ZoneScaleGroup SizeConditions
60.9 to 1.31Altitude: 0 to 1,000; Terrain tilt: Up to 25
1 to 41 to 1.21Altitude: -1,000 to 1,000; Terrain tilt: Up to 20
61 to 1.21Altitude: -1 to 1,000; Terrain tilt: Up to 20

Console command

Use after enabling developer commands with devcommands.

spawn FirTree_oldLog 1