From Dwarf Fortress Wiki
Spore trees are a type of underground tree. They are found in deep caverns, and grow on muddied soil after they are found. When cut down, they yield teal logs suitable for producing colorful furniture.
[PLANT:SPORE_TREE] [NAME:spore tree][NAME_PLURAL:spore trees][ADJ:spore tree] [USE_MATERIAL_TEMPLATE:STRUCTURAL:STRUCTURAL_PLANT_TEMPLATE] [BASIC_MAT:LOCAL_PLANT_MAT:STRUCTURAL] [USE_MATERIAL_TEMPLATE:WOOD:WOOD_TEMPLATE] [STATE_NAME:ALL_SOLID:spore tree] [STATE_ADJ:ALL_SOLID:spore tree] [PREFIX:NONE] [STATE_COLOR:ALL_SOLID:TEAL] [DISPLAY_COLOR:3:0:0] [TREE:LOCAL_PLANT_MAT:WOOD][TREE_TILE:5] [PREFSTRING:raining spores] [WET][DRY] [BIOME:SUBTERRANEAN_WATER] [UNDERGROUND_DEPTH:2:3] [SOLID_DENSITY:600] [TREE_COLOR:3:0:0] [DEAD_TREE_COLOR:0:0:1] [SAPLING_COLOR:3:0:0] [DEAD_SAPLING_COLOR:0:0:1]